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1.
Diab Vasc Dis Res ; 15(6): 477-493, 2018 11.
Article in English | MEDLINE | ID: mdl-30037278

ABSTRACT

OBJECTIVE: Type 2 diabetes is a risk factor for the development of left ventricular diastolic dysfunction and heart failure with preserved ejection fraction. Our aim was to provide a summary estimate of the prevalence of left ventricular diastolic dysfunction and heart failure with preserved ejection fraction in type 2 diabetes patients and to investigate sex disparities. METHODS AND RESULTS: A systematic search of the databases Medline and Embase was conducted for studies reporting the prevalence of left ventricular diastolic dysfunction or heart failure with preserved ejection fraction among type 2 diabetes patients. Studies were only included if echocardiography was performed. Prevalence estimates were pooled using random-effects meta-analysis. A total of 28 studies were included. Data on the prevalence of left ventricular diastolic dysfunction were available in 27 studies. The pooled prevalence for left ventricular diastolic dysfunction in the hospital population (2959 type 2 diabetes participants) and in the general population (2813 type 2 diabetes participants) was 48% [95% confidence interval: 38%-59%] and 35% (95% confidence interval: 24%-46%), respectively. Heterogeneity was high in both populations, with estimates ranging from 19% to 81% in the hospital population and from 23% to 54% in the general population. For women and men, the pooled prevalence estimates of left ventricular diastolic dysfunction were 47% (95% confidence interval: 37%-58%) and 46% (95% confidence interval: 37%-55%), respectively. Only two studies presented the prevalence of heart failure with preserved ejection fraction; 8% (95% confidence interval: 5%-14%) in a hospital population and 25% (95% confidence interval: 21%-28%) in the general population [18% in men (mean age: 73.8; standard deviation: 8.6) and 28% in women (mean age: 74.9; standard deviation: 6.9)]. CONCLUSION: The prevalence of left ventricular diastolic dysfunction among type 2 diabetes patients is similarly high in men and women, while heart failure with preserved ejection fraction seems to be more common in women than men, at least in community people with type 2 diabetes.


Subject(s)
Diabetes Mellitus, Type 2/epidemiology , Diabetic Cardiomyopathies/epidemiology , Heart Failure/epidemiology , Stroke Volume , Ventricular Dysfunction, Left/epidemiology , Ventricular Function, Left , Adult , Aged , Diabetes Mellitus, Type 2/diagnosis , Diabetic Cardiomyopathies/diagnostic imaging , Diabetic Cardiomyopathies/physiopathology , Diastole , Echocardiography , Female , Heart Failure/diagnostic imaging , Heart Failure/physiopathology , Humans , Male , Middle Aged , Prevalence , Prognosis , Risk Factors , Sex Distribution , Ventricular Dysfunction, Left/diagnostic imaging , Ventricular Dysfunction, Left/physiopathology
2.
Cardiovasc Diabetol ; 17(1): 58, 2018 04 18.
Article in English | MEDLINE | ID: mdl-29669564

ABSTRACT

BACKGROUND: Type 2 diabetes mellitus (T2D) is associated with the development of left ventricular systolic dysfunction (LVSD) and heart failure with reduced ejection fraction (HFrEF). T2D patients with LVSD are at higher risk of mortality and morbidity than patients without LVSD, while progression of LVSD can be delayed or halted by the use of proven therapies. As estimates of the prevalence are scarce and vary considerably, the aim of this study was to retrieve summary estimates of the prevalence of LVSD/HFrEF in T2D and to see if there were any sex differences. METHODS: A systematic search of Medline and Embase was performed to extract the prevalence of LVSD/HFrEF in T2D (17 studies, mean age 50.1 ± 6.3 to 71.5 ± 7.5), which were pooled using random-effects meta-analysis. RESULTS: The pooled prevalence of LVSD was higher in hospital populations (13 studies, n = 5835, 18% [95% CI 17-19%]), than in the general population (4 studies, n = 1707, 2% [95% CI 2-3%]). Seven studies in total reported sex-stratified prevalence estimates (men: 7% [95% CI 5-8%] vs. women: 1.3% [95% CI 0.0.2.2%]). The prevalence of HFrEF was available in one general population study (5.8% [95% CI 3.7.6%], men: 6.8% vs. women: 3.0%). CONCLUSIONS: The summary prevalence of LVSD is higher among T2D patients from a hospital setting compared with from the general population, with a higher prevalence in men than in women in both settings. The prevalence of HFrEF among T2D in the population was only assessed in a single study and again was higher among men than women.


Subject(s)
Diabetes Mellitus, Type 2/epidemiology , Heart Failure/epidemiology , Stroke Volume , Ventricular Dysfunction, Left/epidemiology , Ventricular Function, Left , Adult , Aged , Aged, 80 and over , Diabetes Mellitus, Type 2/diagnosis , Diabetes Mellitus, Type 2/physiopathology , Female , Health Status Disparities , Heart Failure/diagnosis , Heart Failure/physiopathology , Humans , Male , Middle Aged , Prevalence , Prognosis , Risk Factors , Sex Distribution , Sex Factors , Ventricular Dysfunction, Left/diagnosis , Ventricular Dysfunction, Left/physiopathology
3.
Matern Child Nutr ; 13(2)2017 04.
Article in English | MEDLINE | ID: mdl-26878993

ABSTRACT

A healthy diet is important for optimal growth and development in children. Food preferences are a main determinant of children's intake. The aim of this study was to examine the associations of 6-n-propylthiouracil (PROP) taster status (taste sensitivity to PROP) with children's food preferences and consumption of high-calorie snacks and sweet beverages among ethnically diverse children. We analysed data from 5585 6-year-old children enrolled in the Generation R Study, a birth cohort study in Rotterdam, the Netherlands. PROP taster status was evaluated using a suprathreshold screening solution. Food preferences of the children were assessed by a two-stage protocol using photographs of eight food items (candy, chocolate, mayonnaise, whipped cream, soup, potato chips, carrot and bread), yielding both hedonic ratings (1-3) and rank order scores (1-8). Univariate and multivariable linear and logistic regression analyses were performed, using tasters as the reference group. Non-tasters had a slightly higher preference for carrots (ß: -0.07; 95% CI: -0.13, -0.02 and ß: -0.15; 95% CI: -0.27, -0.02 for hedonic ratings and rank order scores, respectively) and bread (hedonic ratings; ß: -0.06; 95% CI: -0.11, -0.01) compared with tasters. No differences were found in children's preference for sweet, fat or salty food items. Furthermore, there were no associations of PROP taster status with the consumption of high-calorie snacks ≥ 2 times/day (aOR: 1.06; 95% CI: 0.91,1.24) or sweet beverages ≥ 3 glasses/day (aOR: 1.06; 95% CI: 0.92,1.23). Other factors relating to the family food environment may be more important for young children's food preferences and consumption of high-calorie snacks and sweet beverages than their innate taste sensitivity.


Subject(s)
Beverages/analysis , Food Preferences , Propylthiouracil/administration & dosage , Snacks , Taste , Child , Child, Preschool , Cohort Studies , Cross-Sectional Studies , Diet , Female , Humans , Linear Models , Logistic Models , Male , Multivariate Analysis , Netherlands , Nutritive Sweeteners/administration & dosage
4.
J Pediatr ; 168: 118-125.e2, 2016 Jan.
Article in English | MEDLINE | ID: mdl-26520914

ABSTRACT

OBJECTIVE: To assess the prospective associations of breakfast, lunch, and dinner skipping at age 4 years with body fat (ie, percent fat mass, body mass index [BMI], and weight status) at age 6 years. STUDY DESIGN: Data were analyzed from 5913 children participating in the Generation R Study, a population-based prospective cohort study in Rotterdam, The Netherlands. Meal-skipping behaviors were assessed through parent-report questionnaires. Children's weight and height were objectively measured and converted to BMI SDSs. Weight status (ie, overweight or normal weight) was defined according to age- and sex-specific cutoff points. At age 6 years, percent fat mass was assessed by dual-energy X-ray absorptiometry. Linear and logistic regression analyses were performed, adjusting for covariates and BMI at age 4 years. RESULTS: Breakfast skipping at age 4 years was associated with a higher percent fat mass at age 6 years (ß = 1.38; 95% CI, 0.36-2.40). No associations were found with BMI or weight status. Furthermore, no associations were found between lunch and dinner skipping at age 4 years and body fat at age 6 years. CONCLUSION: Breakfast skipping at age 4 years is associated with a higher percent fat mass at age 6 years. Further prospective studies, including intervention studies, are warranted to extend the evidence base on the directionality and causality of this association.


Subject(s)
Adipose Tissue , Feeding Behavior , Meals , Body Mass Index , Body Weight , Child , Child, Preschool , Cohort Studies , Female , Humans , Male , Prospective Studies
5.
J Pediatr ; 170: 126-34.e1-6, 2016 Mar.
Article in English | MEDLINE | ID: mdl-26707579

ABSTRACT

OBJECTIVE: To identify whether there are ethnic differences in cytomegalovirus (CMV), Epstein-Barr virus (EBV), and herpes simplex virus type 1 (HSV-1) seroprevalence rates in children at 6 years of age, and when present, to evaluate how these differences can be explained by sociodemographic and environmental factors. STUDY DESIGN: This study was embedded within a multi-ethnic population-based prospective cohort study. Serum IgG levels against CMV, EBV, and HSV-1 were measured by enzyme-linked immunosorbent assay in 4464 children (median age 6.0 years). Information on demographics and characteristics were assessed by questionnaires. Herpesvirus seroprevalences between Surinamese-Creole, Surinamese-Hindustani, Turkish, Moroccan, Cape Verdean Antillean, and Native Dutch children were compared. RESULTS: Non-Western ethnicity was an independent risk factor for CMV (aOR, 2.16; 95% CI 1.81-2.57), EBV (1.76; 1.48-2.09), and HSV-1 seropositivity (1.52; 1.39-1.66). Among the ethnic groups, CMV seroprevalences ranged between 29% and 65%, EBV between 43% and 69%, and HSV-1 between 13% and 39%. Low family net household income, low maternal educational level, crowding, and lifestyle factors explained up to 48% of the ethnic differences in HSV-1 seroprevalences, and up to 39% of the ethnic differences in EBV seroprevalences. These factors did not explain ethnic differences in CMV seroprevalences. CONCLUSIONS: Socioeconomic position and factors related to lifestyle explain only a part of the large ethnic differences in EBV and HSV-1 seroprevalences, whereas they do not explain ethnic differences in CMV seroprevalences in childhood.


Subject(s)
Cytomegalovirus Infections/epidemiology , Epstein-Barr Virus Infections/epidemiology , Ethnicity/statistics & numerical data , Herpes Simplex/epidemiology , Adult , Breast Feeding , Child , Cohort Studies , Crowding , Cytomegalovirus Infections/ethnology , Educational Status , Epstein-Barr Virus Infections/ethnology , Female , Herpes Simplex/ethnology , Herpesvirus 1, Human , Humans , Income , Life Style , Netherlands/epidemiology , Parity , Pregnancy , Risk Factors , Seroepidemiologic Studies
6.
Prev Med ; 76: 84-91, 2015 Jul.
Article in English | MEDLINE | ID: mdl-25895837

ABSTRACT

BACKGROUND: Not much is known about the ethnic differences in cardiovascular risk factors during childhood in European countries. We examined the ethnic differences in childhood cardiovascular risk factors in the Netherlands. METHODS: In a multi-ethnic population-based prospective cohort study, we measured blood pressure, left ventricular mass, and levels of cholesterol, triglyceride and insulin at the median age of 6.2years. RESULTS: As compared to Dutch children, Cape Verdean and Turkish children had a higher blood pressure, whereas Cape Verdean, Surinamese-Creole and Turkish children had higher total-cholesterol levels (p-values<0.05). Turkish children had higher triglyceride levels, but lower insulin levels than Dutch children (p-values<0.05). As compared to Dutch children, only Turkish children had an increased risk of clustering of cardiovascular risk factors (odds ratio: 2.45 (95% confidence interval 1.18, 3.37)). Parental pre-pregnancy factors explained up to 50% of the ethnic differences in childhood risk factors. In addition to these factors, pregnancy and childhood factors and childhood BMI explained up to 50%, 12.5% and 61.1%, respectively. CONCLUSIONS: Our results suggest that compared to Dutch children, Cape Verdean, Surinamese-Creole and Turkish children have an adverse cardiovascular profile. These differences are largely explained by parental pre-pregnancy factors, pregnancy factors and childhood BMI.


Subject(s)
Cardiovascular Diseases/ethnology , Health Status Disparities , Body Mass Index , Cabo Verde/ethnology , Child , Child Development/physiology , Child, Preschool , Female , Humans , Lipids/blood , Male , Netherlands , Prospective Studies , Risk Factors , Suriname/ethnology , Turkey/ethnology
7.
Acta Diabetol ; 52(3): 445-52, 2015 Jun.
Article in English | MEDLINE | ID: mdl-25344768

ABSTRACT

AIMS: To investigate whether maternal educational level is associated with gestational diabetes mellitus (GDM), and to what extent risk factors for GDM mediate the effect of educational level. METHODS: We examined data of 7,511 pregnant women participating in a population-based cohort study in Rotterdam, the Netherlands. The highest achieved education was categorized into four levels. Diagnosis of GDM was retrieved from delivery records. Odds ratios (OR) of GDM were calculated for levels of education, adjusting for confounders and potential mediators. Mediators were selected according to Baron and Kenny's causal step approach. RESULTS: Adjusted for ethnicity, age, family history of diabetes and parity, women in the lowest educational level were three times more likely to develop GDM than women in the highest level (OR 3.07; 95 % CI 1.37, 6.89). Selected mediators were alcohol use and body mass index (BMI). Additional adjustment for alcohol use attenuated the OR to 2.54 (95 % CI 1.11, 5.78). The individual addition of BMI attenuated the OR to 2.35 (95 % CI 1.03, 5.35). All mediators together explained 51 % (95 % CI -122, -25) of the association between low education and GDM. CONCLUSIONS: Low maternal educational level is associated with GDM, which is mainly due to higher rates of overweight and obesity. In order to reduce the higher rates of GDM, and consequently type 2 diabetes among women in low socioeconomic subgroups, prevention and intervention strategies need to be focused on reducing the rates of overweight and obesity before pregnancy.


Subject(s)
Diabetes, Gestational/epidemiology , Diabetes, Gestational/psychology , Education , Adult , Alcohol Drinking , Body Mass Index , Cohort Studies , Diabetes, Gestational/physiopathology , Female , Humans , Knowledge , Netherlands/epidemiology , Odds Ratio , Pregnancy , Risk Factors , Young Adult
8.
Int J Behav Nutr Phys Act ; 11: 155, 2014 Dec 16.
Article in English | MEDLINE | ID: mdl-25510552

ABSTRACT

BACKGROUND: Research on social inequalities in sports participation and unstructured physical activity among young children is scarce. This study aimed to assess the associations of family socioeconomic position (SEP) and ethnic background with children's sports participation and outdoor play. METHODS: We analyzed data from 4726 ethnically diverse 6-year-old children participating in the Generation R Study. Variables were assessed by parent-reported questionnaires when the child was 6 years old. Low level of outdoor play was defined as outdoor play <1 hour per day. Series of multiple logistic regression analyses were performed to assess associations of family SEP and ethnic background with children's sports participation and outdoor play. RESULTS: Socioeconomic inequalities in children's sports participation were found when using maternal educational level (p < 0.05), paternal educational level (p < 0.05), maternal employment status (p < 0.05), and household income (p < 0.05) as family SEP indicator (less sports participation among low SEP children). Socioeconomic inequalities in children's outdoor play were found when using household income only (p < 0.05) (more often outdoor play <1 hour per day among children from low income household). All ethnic minority children were significantly more likely to not to participate in sports and play outdoor <1 hour per day compared with native Dutch children. Adjustment for family SEP attenuated associations considerably, especially with respect to sports participation. CONCLUSION: Low SEP children and ethnic minority children are more likely not to participate in sports and more likely to display low levels of outdoor play compared with high SEP children and native Dutch children, respectively. In order to design effective interventions, further research, including qualitative studies, is needed to explore more in detail the pathways relating family SEP and ethnic background to children's sports participation and outdoor play.


Subject(s)
Play and Playthings , Socioeconomic Factors , Sports , Child , Child, Preschool , Cross-Sectional Studies , Ethnicity , Female , Humans , Logistic Models , Male , Netherlands , Prospective Studies , Surveys and Questionnaires
9.
Int J Behav Nutr Phys Act ; 11: 96, 2014 Aug 15.
Article in English | MEDLINE | ID: mdl-25124336

ABSTRACT

BACKGROUND: Childhood overweight and obesity is a major public health concern. Knowledge on modifiable risk factors is needed to design effective intervention programs. This study aimed to assess associations of children's sedentary behaviors (television viewing and computer game use) and physical activity behaviors (sports participation, outdoor play, and active transport to/from school) with three indicators of body fat, i.e., percent fat mass, body mass index (BMI) standard deviation scores, and weight status (normal weight, overweight). METHODS: Cross-sectional data from 5913 6-year-old ethnically diverse children were analyzed. Children's weight and height were objectively measured and converted to BMI. Weight status was defined according to age- and sex-specific cut-off points of the International Obesity Task Force. BMI standard deviation scores were created, based on Dutch reference growth curves. Fat mass was measured my dual-energy X-ray absorptiometry (DXA). Sedentary and physical activity behaviors were assessed by parent-reported questionnaires. Series of logistic and linear regression analyses were performed, controlling for confounders (i.e., socio-demographic factors, family lifestyle factors, and other sedentary behaviors and physical activity behaviors). RESULTS: Sports participation was inversely associated with fat mass (p < 0.001), even after adjustment for socio-demographic factors, family lifestyle factors, and other sedentary behaviors and physical activity behaviors. No other independent associations were observed. CONCLUSIONS: The results of this study indicate that sports participation is inversely associated with percent body fat among ethnically diverse 6-year-old children. More research in varied populations including objective measurements and longitudinal designs are needed to confirm these current results.


Subject(s)
Body Mass Index , Body Weight , Health Behavior , Motor Activity , Pediatric Obesity/epidemiology , Sedentary Behavior , Absorptiometry, Photon , Adipose Tissue , Child , Child Behavior , Cross-Sectional Studies , Female , Humans , Male , Netherlands , Risk Factors , Socioeconomic Factors , Surveys and Questionnaires , Television , Video Games
10.
Obesity (Silver Spring) ; 22(10): 2230-7, 2014 Oct.
Article in English | MEDLINE | ID: mdl-25044908

ABSTRACT

OBJECTIVE: To investigate the emergence of the inverse socioeconomic gradient in body mass index (BMI) in the first 6 years of life. Furthermore, associations of socioeconomic position (SEP) with BMI and total fat mass (%) were assessed at age 6, and potential mediating factors in the pathway between SEP and children's body composition were investigated. METHODS: Nearly 3,656 Dutch children participating in a prospective cohort study in Rotterdam, the Netherlands, were included from 2002 to 2006. Maternal educational level and net household income were used as indicators of SEP. BMI and fat mass were both outcome measures. Associations and mediation analyses were investigated using linear mixed models and linear regression analyses. RESULTS: The lowest SEP groups showed a larger increase in BMI over time as compared to the highest SEP groups (P < 0.001), which resulted in the emergence of the inverse SEP gradient around 3-4.5 years of age. In 6-year-old children, both BMI and total fat mass were significantly higher for children of low educated mothers (difference in BMI SDS: 0.24; 95% CI 0.15, 0.33; and in total fat mass (%): 2.68; 95% CI 2.19, 3.17), which was also shown for children with a low household income. This was mainly explained by parental BMI and prenatal smoking. CONCLUSIONS: The inverse socioeconomic gradient in obesity emerges during the preschool period, and widens with increasing age. A public health strategy aimed at tackling the development of inequalities in obesity in early childhood needs to start before birth and should include the prevention of prenatal smoking and obesity of parents.


Subject(s)
Obesity/epidemiology , Schools/statistics & numerical data , Body Mass Index , Child , Child, Preschool , Cohort Studies , Educational Status , Female , Humans , Infant , Infant, Newborn , Male , Netherlands/epidemiology , Pregnancy , Prospective Studies , Risk Factors , Socioeconomic Factors
11.
Fertil Steril ; 101(5): 1367-74, 2014 May.
Article in English | MEDLINE | ID: mdl-24636396

ABSTRACT

OBJECTIVE: To examine the association between socioeconomic position (SEP) and umbilical and uterine placental resistance indices in the second and third trimester, and to what extent this could be explained by lifestyle-related behaviors. DESIGN: Prospective cohort study. SETTING: Rotterdam, the Netherlands. PATIENT(S): 7,033 pregnant women of mean age (± standard deviation) 29.9 (±5.2) years. INTERVENTION(S): None. MAIN OUTCOME MEASURE(S): Uterine artery resistance index (UARI) and umbilical artery pulsatility index (UAPI) in second and third trimester measured with Doppler ultrasound. RESULT(S): Third-trimester UARI and both second- and third-trimester UAPI were statistically significantly higher for women with lower educational levels as compared with those with higher educational levels. Educational level was strongly associated with the risk of continuously high levels of UARI and UAPI from second to third trimester of pregnancy. Notching was not associated with SEP. Smoking was a significant contributor to the association of SEP and increased placental resistance indices; body mass index, folic acid supplementation use, and alcohol use were not. CONCLUSION(S): Women from low socioeconomic subgroups have higher placental resistance indices, which may cause a higher prevalence of pregnancy complications. This was mainly explained by maternal smoking during pregnancy.


Subject(s)
Placenta/blood supply , Placenta/pathology , Population Surveillance , Pregnancy Complications/diagnosis , Pregnancy Complications/economics , Vascular Resistance/physiology , Adult , Cohort Studies , Female , Follow-Up Studies , Humans , Population Surveillance/methods , Pregnancy , Pregnancy Complications/epidemiology , Prospective Studies , Socioeconomic Factors , Young Adult
12.
Am J Hypertens ; 27(1): 89-98, 2014 Jan.
Article in English | MEDLINE | ID: mdl-24077827

ABSTRACT

BACKGROUND: In adults, low level of education was shown to be associated with higher blood pressure levels and alterations in cardiac structures and function. It is currently unknown whether socioeconomic inequalities in arterial and cardiac alterations originate in childhood. Therefore, we investigated the association of maternal education with blood pressure levels, arterial stiffness, and cardiac structures and function at the age of 6 years and potential underlying factors. METHODS: The study included 5,843 children participating in a prospective cohort study in the Netherlands. Maternal education was assessed at enrollment. Blood pressure, carotid-femoral pulse wave velocity, left atrial diameter, aortic root diameter, left ventricular mass, and fractional shortening were measured at the age of 6 years. RESULTS: Children with low educated (category 1) mothers had higher systolic (2.80mm Hg; 95% confidence interval (CI) = 1.62-2.94) and diastolic (1.80mm Hg; 95% CI = 1.25-2.35) blood pressure levels compared with children with high educated (category 4) mothers. The main explanatory factors were the child's body mass index (BMI), maternal BMI, and physical activity. Maternal education was negatively associated with fractional shortening (P trend = 0.008), to which blood pressure and child's BMI contributed the most. No socioeconomic gradient was observed in other arterial and cardiac measurements. CONCLUSIONS: Socioeconomic inequalities in blood pressure are already present in childhood. Higher fractional shortening among children from low socioeconomic families might be a first cardiac adaptation to higher blood pressure and higher BMI. Interventions should be aimed at lowering child BMI and increasing physical activity among children from low socioeconomic families.


Subject(s)
Blood Pressure , Cardiovascular Diseases/etiology , Mothers , Vascular Stiffness , Ventricular Function, Left , Adult , Age Factors , Body Mass Index , Cardiovascular Diseases/diagnosis , Cardiovascular Diseases/physiopathology , Child , Educational Status , Female , Humans , Male , Motor Activity , Myocardial Contraction , Netherlands , Prospective Studies , Risk Factors
13.
PLoS One ; 7(6): e39798, 2012.
Article in English | MEDLINE | ID: mdl-22768125

ABSTRACT

OBJECTIVE: Head circumference (HC) reflect growth and development of the brain in early childhood. It is unknown whether socioeconomic differences in HC are present in early childhood. Therefore, we investigated the association between socioeconomic position (SEP) and HC in early childhood, and potential underlying factors. METHODS: The study focused on Dutch children born between April 2002 and January 2006 who participated in The Generation R Study, a population-based prospective cohort study in Rotterdam, The Netherlands. Maternal educational level was used as indicator of SEP. HC measures were concentrated around 1, 3, 6 and 11 months. Associations and explanatory factors were investigated using linear regression analysis, adjusted for potential mediators. RESULTS: The study included 3383 children. At 1, 3 and 6 months of age, children of mothers with a low education had a smaller HC than those with a high education (difference at 1 month: -0.42 SD; 95% CI: -0.54,-0.30; at 3 months: -0.27 SD; 95% CI -0.40,-0.15; and at 6 months: -0.13 SD; 95% CI -0.24,-0.02). Child's length and weight could only partially explain the smaller HC at 1 and 3 months of age. At 6 months, birth weight, gestational age and parental height explained the HC differences. At 11 months, no HC differences were found. CONCLUSION: Educational inequalities in HC in the first 6 months of life can be mainly explained by pregnancy-related factors, such as birth weight and gestational age. These findings further support public health policies to prevent negative birth outcomes in lower socioeconomic groups.


Subject(s)
Cephalometry , Family Characteristics , Mothers , Educational Status , Female , Humans , Infant , Infant, Newborn , Male , Netherlands , Pregnancy
14.
Hypertension ; 60(1): 198-205, 2012 Jul.
Article in English | MEDLINE | ID: mdl-22615112

ABSTRACT

The aim was to investigate ethnic differences in blood pressure levels in each trimester of pregnancy and the risk of gestational hypertensive disorders and the degree to which such differences can be explained by education and lifestyle-related factors. The study included 6215 women participating in a population-based prospective cohort study from early pregnancy onward in Rotterdam. Ethnicity was assessed at enrollment. Blood pressure was measured in each trimester. Information about gestational hypertensive disorders was available from medical charts. Lifestyle factors included smoking, alcohol, caffeine intake, folic acid supplementation, sodium and energy intake, body mass index, and maternal stress. Associations and explanatory pathways were investigated using linear and logistic regression analysis. Dutch pregnant women had higher systolic blood pressure levels as compared with women in other ethnic groups in each trimester of pregnancy. Compared with Dutch women, Turkish and Moroccan women had lower diastolic blood pressure levels in each trimester. These differences remained after adjusting for education and lifestyle factors. Turkish and Moroccan women had a lower risk of gestational hypertension as compared with Dutch women (odds ratio, 0.32 [95% CI, 0.18-0.58] and odds ratio, 0.28 [95% CI, 0.14-0.58]), and Cape Verdean women had an elevated risk of preeclampsia (odds ratio, 2.22 [95% CI, 1.22-4.07]). Differences could not be explained by education or lifestyle. Substantial ethnic differences were observed in blood pressure levels and risk of gestational hypertensive disorders in each trimester of pregnancy, and a wide range of variables could not explain these differences.


Subject(s)
Blood Pressure/physiology , Hypertension, Pregnancy-Induced/ethnology , Hypertension, Pregnancy-Induced/physiopathology , Adult , Black People , Educational Status , Female , Humans , Life Style , Linear Models , Logistic Models , Morocco/ethnology , Netherlands/epidemiology , Pregnancy , Pregnancy Trimester, First , Pregnancy Trimester, Second , Pregnancy Trimester, Third , Prospective Studies , Risk Factors , Surveys and Questionnaires , Turkey/ethnology , White People , Young Adult
15.
Eur J Pediatr ; 170(8): 1023-30, 2011 Aug.
Article in English | MEDLINE | ID: mdl-21286749

ABSTRACT

Gender differences in alcohol intoxication among adolescents are still largely unknown, whereas these differences have been studied in adults. To investigate possible differences, this study analyzed pediatric admissions for alcohol intoxication to the majority of Dutch hospitals between 2007 and 2009. Another aim was to explore key characteristics (e.g. blood alcohol concentration, duration of reduced consciousness, and age) and trends of alcohol intoxication among adolescents in the period 2007-2009. We analyzed data from the Dutch Pediatric Surveillance system, which monitors alcohol intoxication among children in pediatric departments of Dutch hospitals. Patients aged 11-17 years with reduced consciousness due to alcohol intoxication were included. The number of adolescents admitted with alcohol intoxication increased sharply from 2007 to 2009. The average age of the patients treated for alcohol intoxication increased from 15.3 years in 2007 and 15.4 years in 2008 to 15.7 years in 2009. The duration of reduced consciousness due to alcohol intoxication also increased over the 3-year period: from 2.2 to 3.1 h. Gender differences were observed regarding alcohol intoxication characteristics. Most strikingly, intoxicated girls were younger (15.3 vs. 15.7 years), had a lower blood alcohol concentration (1.79 vs. 1.94 g/l) and were hospitalized for shorter times than boys. No association was found between alcohol intoxication and other, possibly illicit drug use. The drinks most consumed prior to hospital admission were spirits and beer. Alcohol intoxication among adolescents is an emerging problem. Differences in intoxication characteristics between boys and girls were observed. These findings are important for future prevention and intervention strategies. In the Netherlands, special policlinics for children with alcohol intoxication have already been established.


Subject(s)
Alcoholic Intoxication/epidemiology , Hospitalization/statistics & numerical data , Adolescent , Age Factors , Alcoholic Intoxication/blood , Alcoholic Intoxication/complications , Child , Consciousness , Ethanol/blood , Female , Hospitals, Pediatric , Humans , Length of Stay/statistics & numerical data , Male , Netherlands/epidemiology , Patient Admission/statistics & numerical data , Population Surveillance , Retrospective Studies , Sex Factors , Substance-Related Disorders/complications , Surveys and Questionnaires
16.
J Adolesc Health ; 48(2): 212-4, 2011 Feb.
Article in English | MEDLINE | ID: mdl-21257123

ABSTRACT

PURPOSE: To monitor the prevalence of, and the circumstances leading to, adolescent alcohol intoxication admissions in Dutch hospital departments of pediatrics. METHODS: Data were collected in 2007 and 2008, using the Dutch Pediatric Surveillance System, in which pediatricians received questionnaires on varying issues, including adolescent alcohol intoxication admissions. RESULTS: The adolescents treated in 2008, as in 2007, were average youth across proportion of gender, educational level, school performances, family structure, siblings, familiarity with medical or aid agencies, alcohol use, and other (illicit) drug use. In 2008, 13% more adolescents were treated. These adolescents showed a trend of having a younger average age, higher blood alcohol concentrations, and longer durations of mental impairment. About 45% of the adolescents who were treated for alcohol intoxication had purchased alcohol from a commercial place, despite that 51 times the specific adolescent had not reached the legal age of 16 years old. About one-third of the youngsters consumed alcohol at home or at a friend's home. CONCLUSIONS: The number of adolescents suffering from alcohol intoxication increased in 2008 compared with 2007. Parental (lack of) involvement and responsibilities of commercial sales personnel are discussed.


Subject(s)
Alcoholic Intoxication/epidemiology , Adolescent , Child , Hospital Departments , Humans , Netherlands/epidemiology , Patient Admission , Pediatrics , Population Surveillance , Prevalence
17.
Clin Pediatr (Phila) ; 50(3): 244-51, 2011 Mar.
Article in English | MEDLINE | ID: mdl-21138855

ABSTRACT

OBJECTIVE: To investigate acute medical complications of alcohol intoxication among adolescents presenting to Reinier de Graaf Hospital, a major nonacademic hospital in Delft, the Netherlands. METHODS: The frequency of reduced consciousness, hypothermia, electrolyte disturbances, hypoglycemia, and acidosis along with alcohol intoxication was retrospectively studied in the medical records of patients aged 11 to 17 years admitted between January 1, 2000, and April 30, 2010. RESULTS: Reduced consciousness (45%) and hypothermia (43.1%) were the most common clinical findings. More boys than girls experienced hypothermia (P = .028), probably because of the higher blood alcohol concentration level ( P = .026), which was associated with lower temperature (Pearson's r = -.37; P < .001). The most frequent electrolyte disturbance was hyperchloremia (31.1%), followed by low bicarbonate (22%), hypokalemia (11.9%), and hypernatremia (7.7%). Strikingly, none of the patients in this study suffered hypoglycemia. On the contrary, 13.6% of the patients were slightly hyperglycemic. Mild acidosis, both metabolic and respiratory, was observed among 28.8% of the patients, although the metabolic component predominated. CONCLUSIONS: Acute medical complications because of alcohol intoxication appeared to be mild, and most remarkably none of the patients experienced hypoglycemia.


Subject(s)
Alcoholic Intoxication/complications , Acidosis/epidemiology , Acidosis/etiology , Acidosis, Respiratory/epidemiology , Acidosis, Respiratory/etiology , Acute Disease , Adolescent , Alcoholic Intoxication/blood , Alcoholic Intoxication/epidemiology , Child , Consciousness Disorders/epidemiology , Consciousness Disorders/etiology , Ethanol/blood , Female , Humans , Hypoglycemia/epidemiology , Hypoglycemia/etiology , Hypothermia/epidemiology , Hypothermia/etiology , Male , Netherlands , Patient Admission/statistics & numerical data , Prevalence , Water-Electrolyte Imbalance/epidemiology , Water-Electrolyte Imbalance/etiology
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