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1.
PLoS One ; 5(5): e10530, 2010 May 07.
Article in English | MEDLINE | ID: mdl-20479881

ABSTRACT

High fish consumption and omega-3 polyunsaturated fatty acid (PUFA) intake are suggested to benefit mental well-being but the current evidence is conflicting. Our aim was to evaluate whether a higher level of fish consumption, a higher intake of omega-3 PUFAs, and a higher serum concentration of omega-3 PUFAs link to a lower 12-month prevalence of depressive episodes.We used data from the nationwide Health 2000 Survey (n = 5492) and the Fishermen Study on Finnish professional fishermen and their family members (n = 1265). Data were based on questionnaires, interviews, health examinations, and blood samples. Depressive episodes were assessed with the M-CIDI (the Munich version of the Composite International Diagnostic Interview) and a self-report of two CIDI probe questions, respectively. Fish consumption was measured by a food frequency questionnaire (g/day) and independent frequency questions (times/month). Dietary intake (g/day) and serum concentrations (% from fatty acids) of PUFAs were determined. Fish consumption was associated with prevalence of depressive episodes in men but not in women. The prevalence of depressive episodes decreased from 9% to 5% across the quartiles of fish consumption (g/day) in men of the Health 2000 Survey (p for linear trend = 0.01), and from17% to 3% across the quartiles of fish consumption (times/month) in men of the Fishermen Study (p for linear trend = 0.05). This association was modified by lifestyle; in the Health 2000 Survey a higher level of fish consumption was related to a lower prevalence of depressive episodes in men who consumed the most alcohol, were occasional or former smokers, or had intermediate physical activity. The associations between depressive episodes and the intake or serum concentrations of omega-3 PUFAs were not consistent.In men, fish consumption appears as a surrogate for underlying but unidentified lifestyle factors that protect against depression.


Subject(s)
Depression/epidemiology , Fatty Acids, Omega-3/metabolism , Feeding Behavior , Fishes , Adult , Age Distribution , Animals , Confidence Intervals , Cross-Sectional Studies , Depression/blood , Fatty Acids, Omega-3/blood , Female , Finland/epidemiology , Humans , Male , Middle Aged , Odds Ratio
2.
Int J Epidemiol ; 39(2): 494-503, 2010 Apr.
Article in English | MEDLINE | ID: mdl-20156998

ABSTRACT

BACKGROUND: It has been suggested that high fish consumption improves mental well-being. The aim of this study was to assess whether high fish consumption or omega-3 polyunsaturated fatty acid (PUFA) intake was associated with reduced self-reported psychological distress. METHODS: We used three cross-sectional data sets, the nationwide Health 2000 Survey (n = 5840), the Fishermen Study on Finnish fishermen and their family members (n = 1282) and the Finntwin16 Study on young adults (n = 4986). Data were based on self-administered questionnaires, interviews, health examinations and blood samples. Psychological distress was measured using the 12-item and 21-item General Health Questionnaires (GHQs). Fish consumption was measured by a food frequency questionnaire (FFQ, g/day) and independent frequency questions (times/month). Dietary intake (g/day) and serum concentrations (% from fatty acids) of PUFAs were determined. Relationships were analysed using regression analysis. RESULTS: Regardless of the measure, fish consumption and omega-3 PUFA dietary intake were not associated with distress in any of the data sets. In contrast to the hypothesis, high serum docosahexaenoic acid was associated with high distress in the Fisherman Study men. Some non-linear associations were detected between serum omega-3 PUFAs or fish consumption (times/month) and distress. In the Fishermen Study, the associations were modified by alcohol consumption, smoking and physical activity. CONCLUSIONS: Our results do not support the hypothesis that fish consumption or omega-3 PUFA intake are associated with reduced psychological distress in the general population or in a population with high fish consumption.


Subject(s)
Fatty Acids, Omega-3 , Feeding Behavior , Seafood , Stress, Psychological/prevention & control , Adult , Aged , Female , Finland/epidemiology , Humans , Male , Middle Aged , Nutrition Surveys , Prevalence , Regression Analysis , Stress, Psychological/epidemiology
3.
Health Econ ; 19(6): 670-82, 2010 Jun.
Article in English | MEDLINE | ID: mdl-19504546

ABSTRACT

This study concerns the choice of primary dental service provider by consumers. If the health service delivery system allows individuals to choose between public-care providers or if complementary private services are available, it is typically assumed that utilisation is a three-stage decision process. The patient first makes a decision to seek care, and then chooses the service provider. The final stage, involving decisions over the amount and form of treatment, is not considered here. The paper reports a discrete choice experiment (DCE) designed to evaluate attributes affecting individuals' choice of dental-care provider. The feasibility of the DCE approach in modelling consumers' choice in the context of non-acute need for dental care is assessed. The aim is to test whether a separate two-stage logit, a multinomial logit, or a nested logit best fits the choice process of consumers. A nested logit model of indirect utility functions is estimated and inclusive value (IV) constraints are tested for modelling implications. The results show that non-trading behaviour has an impact on the choice of appropriate modelling technique, but is to some extent dependent on the choice of scenarios offered. It is concluded that for traders multinomial logit is appropriate, whereas for non-traders and on average the nested logit is the method supported by the analyses. The consistent finding in all subgroup analyses is that the traditional two-stage decision process is found to be implausible in the context of consumer's choice of dental-care provider.


Subject(s)
Choice Behavior , Dental Care/statistics & numerical data , Dentists , Health Services Accessibility , Models, Statistical , Dental Care/economics , Finland , Health Care Surveys , Humans , Logistic Models , Male , National Health Programs , Private Sector , Public Sector , Quality of Health Care , Waiting Lists
4.
Open Dent J ; 3: 59-67, 2009 Apr 16.
Article in English | MEDLINE | ID: mdl-19543545

ABSTRACT

The objective was to assess the effect of examination rates on national caries indices of 5, 12 and 17-year-old children/adolescents in Finland. The data were gathered from patient records of the Public Dental Service (PDS) units (n=205, 73%) and from a national register. The data included PDS-specific total numbers of examined children/adolescents and means of decayed (d/D) teeth, dmft/DMFT-values and proportions of caries-free. For analytical purposes, the PDS-specific mean values weighted by the PDS population were calculated to imply the traditionally calculated figures. New PDS-specific examination-rate-adjusted mean values were calculated by using the predicted outcome values at 100% examination rates. The results showed that low examination rates were associated with slightly poorer oral health. The examination-rate-adjusted mean d/D- values indicated better oral health than the traditional indices. The adjustment slightly worsened oral health in proportions of caries-free, and had almost no effect on dmft/DMFT-value. Overall, the influence was modest. The high proportions of healthy children that are examined (against recommendation) and the relatively small number of those having extensive disease (frequently examined as recommended) probably mask the influence of examination rates on the indices in Finland. We conclude that in international comparisons, traditionally calculated indices seem to be sufficiently valid.

5.
BMC Health Serv Res ; 6: 110, 2006 Sep 04.
Article in English | MEDLINE | ID: mdl-16952306

ABSTRACT

BACKGROUND: The aim of the study was to examine gender differences in the self-reported use of health care services by the elderly in rural and metropolitan areas of two Nordic countries with slightly different health care systems: Finland and Norway. METHODS: Population based, cross-sectional surveys conducted in Nord-Tröndelag Norway (1995-97) and in rural and metropolitan areas of Finland (1997) were employed. In the Norwegian data, a total of 7,919 individuals, aged 65-74 years old were included, and the Finnish data included 1,500 individuals. The outcome variables comprised whether participants had visited a general practitioner or a specialist, or had received hospital care or physiotherapy during the past 12 months. Gender differences in the use of health care services were analysed by multiple logistic regression, controlling for health status and socio-demographic characteristics. RESULTS: In Norway, elderly women visited a specialist or were hospitalised less often than men. In Finland, elderly women used all health care services except hospital care more often than men. In Norway, less frequent use of specialist care by women was not associated with self-reported health or chronic diseases. CONCLUSION: The findings revealed differences in self-reported use of secondary care among different genders in areas of Norway and Finland.


Subject(s)
Family Practice/statistics & numerical data , Health Care Surveys , Health Services for the Aged/statistics & numerical data , Hospitalization/statistics & numerical data , Patient Acceptance of Health Care/statistics & numerical data , Aged , Cross-Sectional Studies , Female , Finland , Humans , Logistic Models , Male , Norway , Primary Health Care/statistics & numerical data , Self-Assessment , Sex Factors
6.
J Clin Periodontol ; 33(1): 21-8, 2006 Jan.
Article in English | MEDLINE | ID: mdl-16367851

ABSTRACT

AIM: Our aim was to investigate whether cynical hostility, self-reported toothbrushing frequency and objectively assessed levels of oral hygiene were associated. MATERIAL AND METHODS: The present study sample consisted of 4156 30-64-year-old dentate Finns. The questionnaire and the home interview included information about socioeconomic and sociodemographic factors and behavioural variables, such as toothbrushing frequency, dental attendance, smoking and cynical hostility. The level of oral hygiene was assessed during a clinical oral examination. The chi(2) test and ordinal logistic regression analyses were used. RESULTS: After controlling for sociodemographic and socioeconomic factors, smoking habits and reported dental attendance, the subjects belonging to the lowest cynical hostility level were found to brush their teeth significantly more often and to have better oral hygiene compared with those belonging the highest cynical hostility level. Toothbrushing frequency was adjusted when oral hygiene was used as the outcome variable. The association of cynical hostility with toothbrushing frequency and the oral hygiene seems to be partly dependent on the level of education. CONCLUSIONS: Cynical hostility is a psychosocial risk marker for the frequency and quality of toothbrushing and it could be a connecting trait between general health behaviour and oral health behaviour.


Subject(s)
Health Behavior , Hostility , Oral Hygiene/psychology , Toothbrushing/psychology , Adult , Chi-Square Distribution , Educational Status , Female , Humans , Logistic Models , Male , Middle Aged , Personality , Risk Factors , Surveys and Questionnaires
7.
J Periodontol ; 76(6): 1006-12, 2005 Jun.
Article in English | MEDLINE | ID: mdl-15948698

ABSTRACT

BACKGROUND: Antonovsky's salutogenic theory seeks to find general health-promoting factors in individuals as distinct from characteristics that function as risks for specific diseases. A central construct of the theory is sense of coherence (SOC). Individuals with a strong SOC have the ability to define events as less stressful (because of comprehensibility); to mobilize resources to deal with encountered stressors (manageability); and to possess the motivation, desire, and commitment to cope (meaningfulness). Our aim is to investigate whether SOC, self-reported toothbrushing frequency, and objectively assessed levels of oral hygiene are related. METHODS: The sample of the present study consisted of 4,131 30- to 64-year-old dentate Finns belonging to a large nationally representative sample. The questionnaire and home interview included information about socioeconomic and demographic factors, behavioral variables, such as oral health behaviors (toothbrushing frequency), and a 12-item SOC scale, used here as a unidimensional measure categorized into quintiles. The level of oral hygiene was measured during clinical oral examination. Chi-square test, ordinal, and ordinary logistic regression analyses were used. RESULTS: Subjects belonging to the strongest SOC quintile were found to be significantly more often two, or more, times a day brushers compared to those with less strong SOC. After controlling for toothbrushing frequency, sociodemographic and socioeconomic factors, smoking habits, and number of teeth, both strong and moderate levels of SOCs were also found to be related to a good level of oral hygiene compared with moderate and poor levels of oral hygiene. Furthermore, subjects within the weakest SOC quintile were found to have significantly more often than others poor levels of oral hygiene. CONCLUSIONS: Our results suggest that a weak sense of coherence increases both the probability of having a poor level of oral hygiene and a frequency of toothbrushing of less than once a day. This and the theory concerning the development of SOC suggest that sense of coherence may be taken as a determinant of both the frequency and the quality of toothbrushing.


Subject(s)
Toothbrushing/psychology , Adult , Epidemiologic Methods , Female , Humans , Male , Middle Aged , Models, Psychological , Oral Hygiene/psychology , Socioeconomic Factors , Time Factors
8.
Eur J Oral Sci ; 113(2): 121-7, 2005 Apr.
Article in English | MEDLINE | ID: mdl-15819817

ABSTRACT

Our aim was to investigate the relationship among the oral health-related quality of life, the sense of coherence (SOC), and socio-economic and demographic factors, oral behavioural variables and oral health variables. The sample of this study consisted of 4,039, 30-64-yr-old dentate adults (1,899 men and 2,140 women). The questionnaire and home interview included information about socio-economic and demographic factors, behavioural and attitudinal variables (such as oral health behaviours and oral health variables), the SOC (12-item) and the Oral Health Impact Profile scales (OHIP-14). Subjects with a strong or moderate SOC were found to have significantly fewer problems attributed to oral conditions (OHIP) than those with a weak SOC. The SOC was also associated with all of the subscales of the OHIP, and the association was most evident in psychological discomfort, psychological disability and handicap subscales. The SOC appears to be a determinant of the OHIP, independently of oral health, oral health behaviour and socio-economic factors. A psycho-social aspect is strongly embodied in the oral health-related quality of life of individuals.


Subject(s)
Attitude to Health , Oral Health , Quality of Life , Adult , Dental Care , Dentition , Dentures , Disabled Persons/psychology , Educational Status , Female , Finland , Health Behavior , Humans , Income , Male , Middle Aged , Pain/psychology , Social Adjustment , Social Class , Toothbrushing
9.
Eur J Public Health ; 14(4): 375-80, 2004 Dec.
Article in English | MEDLINE | ID: mdl-15542872

ABSTRACT

BACKGROUND: The aim of the study was to compare elderly persons' self-reported use of physician services and associated sociodemographic factors and self-rated health in two Nordic countries with different health care systems, Finland and Norway. METHODS: Population based, cross-sectional surveys conducted in Norway (1995-97) and in Finland (1997) were employed. In the Norwegian data a total of 7,919 individuals, and in the Finnish data 1, 500 individuals, aged 65-74 years old were included in the samples. The outcome variables were having visited a general practitioner, a specialist or both during the past 12 months. Associations between utilization of physician's services and sociodemographic factors and self-rated health were analysed by multiple logistic regression. RESULTS: Approximately the same proportion of elderly in Norway and Finland reported having visited a physician during the previous 12 months. Finnish elderly more often visited a specialist compared to Norwegians. Self-rated health was strongly associated with visits to a specialist in both countries and to a GP in Norway. In Finland visits to a GP were only weakly connected with self-rated health. The use of specialist services increased with increasing education in both countries and in Finland the association was steeper than in Norway. Marital status was not consistently associated with visiting a physician. CONCLUSIONS: Higher rates of specialist care among the elderly in Finland may indicate a more efficient gate-keeping role among Norwegian general practitioners or inducement caused by two overlapping service sectors. Inconsistent associations between utilization and health variables may be due to cultural differences.


Subject(s)
Family Practice/statistics & numerical data , Health Services for the Aged/statistics & numerical data , Health Status , Medicine/statistics & numerical data , Patient Acceptance of Health Care/statistics & numerical data , Practice Patterns, Physicians'/statistics & numerical data , Primary Health Care/statistics & numerical data , Specialization , Aged , Attitude to Health , Cross-Sectional Studies , Female , Finland , Health Care Surveys , Health Services Accessibility/statistics & numerical data , Humans , Logistic Models , Male , Norway , Self-Assessment , Sex Distribution , Socioeconomic Factors
10.
Acta Odontol Scand ; 60(2): 87-92, 2002 Mar.
Article in English | MEDLINE | ID: mdl-12020120

ABSTRACT

In Finland, adults born in 1961 or later were progressively entitled to subsidies for dental care from private practitioners during 1986-90, while at the same time having access to care in the Public Dental Service. The aim of this study was to compare the effects of attendance frequency of private dental care on treatment costs and treatment spectrum for the heaviest and lowest users over a period. Three separate cohorts of recipients of reimbursements were formed, using the Social Insurance Register. The highest and lowest cost groups in 1986, 1990, and 1994 were followed up to 1997. Initially, the mean numbers of visits were 1.2-1.3 and 5.2-5.6 and cost Euro 48 53 and Euro 358-379 among low users and heavy users, respectively, in all cohorts. Among the heavy users (the high-cost category) infrequent attendance was related to higher and frequent attendance to lower mean annual costs of care. Among the low users (the low-cost category the opposite was true. Those who initially belonged to the high-cost category received in 1997 significantly more (P < 0.01) restorative treatment and, to a lesser extent, more (P < 0.01) preventive and periodontal treatment than those belonging to the low-cost category. Frequent dental care seemed to benefit those who received a lot of care. Frequency of attendance was not associated with being a low or a heavy user, indicating rigid check-up routines. The inclusion of simple oral health data would greatly improve the usefulness of the register as an evaluation tool for health-political decisions.


Subject(s)
Dental Care/statistics & numerical data , Private Practice/statistics & numerical data , Adult , Chi-Square Distribution , Cohort Studies , Confidence Intervals , Dental Care/economics , Dental Restoration, Permanent/statistics & numerical data , Female , Finland , Follow-Up Studies , Health Care Costs , Humans , Logistic Models , Longitudinal Studies , Male , Odds Ratio , Office Visits/statistics & numerical data , Periodontal Diseases/therapy , Preventive Dentistry/statistics & numerical data , Private Practice/economics , Public Health Dentistry/economics , Public Health Dentistry/statistics & numerical data , Registries , Reimbursement Mechanisms/economics , Social Security/economics , Statistics as Topic , Statistics, Nonparametric
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