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1.
Pediatr Obes ; 19(8): e13145, 2024 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-38890760

RESUMO

BACKGROUND AND OBJECTIVES: This study aimed to examine the associations between breastfeeding duration and metabolic syndrome (MetS) in adolescents and to further investigate the role of birth weight for gestational age (GA) on these associations. METHODS: A total of 10 275 participants aged 7 to 18 years were included applying multistage cluster random sampling from a Chinese national survey. Birth weight was classified into small for GA (SGA), appropriate for GA (AGA) and large for GA (LGA). Information was collected through a self-administered questionnaire, physical examination and blood biochemical examination. Multivariable linear regression, logistic regression models, restricted cubic spline models were applied to assess the relationships of breastfeeding duration and MetS with different birth weight for GA. RESULTS: The prevalence of non-breastfeeding, 0-5, 6-12 and >12 months groups were 16.2%, 23.1%, 42.5% and 18.2%, and the prevalence of SGA and LGA was 11.9% and 12.7%, respectively. Prolonged breastfeeding duration was associated with higher odds of MetS (ß: 0.08, 95% CI: 0.03, 0.13), WC (ß: 3.49, 95% CI: 2.82, 4.16) and SBP (ß: 2.34, 95% CI: 1.80, 2.89). SGA and prolonged breastfeeding synergistically increased MetS risks, but LGA appeared to offset the adverse effects of prolonged breastfeeding. CONCLUSION: Prolonged breastfeeding may increase children's MetS risks. SGA synergies with prolonged breastfeeding increased MetS burden in children and adolescents, while LGA mitigated the risks. This reminds us that intensive attention should be paid to both early birth weight and subsequent living environment for children and adolescents' lifelong health.


Assuntos
Peso ao Nascer , Aleitamento Materno , Idade Gestacional , Síndrome Metabólica , Humanos , Aleitamento Materno/estatística & dados numéricos , Síndrome Metabólica/epidemiologia , Feminino , Adolescente , Masculino , Criança , China/epidemiologia , Prevalência , Fatores de Tempo , Recém-Nascido , Fatores de Risco , Recém-Nascido Pequeno para a Idade Gestacional , Estudos Transversais
2.
J Intern Med ; 295(1): 38-50, 2024 01.
Artigo em Inglês | MEDLINE | ID: mdl-37614046

RESUMO

BACKGROUND: Excess sedentary time (ST) is recognized as an important modifiable risk factor for coronary heart disease (CHD). However, whether the associations of genetic susceptibility with CHD incidence can be modified by replacing wearable-device-measured ST with physical activity (PA) is unknown. OBJECTIVES: To examine the associations of wearable-device-measured ST replaced by PA with incident CHD across strata of genetic susceptibility. METHODS: This study included 77,500 White British (57% female) with valid wrist-worn accelerometry and without prevalent CHD/stroke from UK Biobank. Genetic susceptibility to CHD was quantified through weighted polygenic risk scores for CHD based on 300 single-nucleotide polymorphisms. Wrist-worn accelerometer data were used to derive ST, light PA, and moderate-to-vigorous PA (MVPA). RESULTS: Reallocation of 60 min/day of ST into the same amount of MVPA was associated with approximately 9% lower relative risk of CHD for all participants and across strata of genetic risk: replacement of 1 min/day of ST associated with <1% lower relative risk of CHD. No evidence of interaction (p: 0.784) was found between genetic risk and ST for CHD risk. Reallocating 60 min/day of ST into the same MVPA time was associated with greater absolute CHD risk reductions at high genetic risk (0.27%) versus low genetic risk (0.15%). CONCLUSIONS: Replacing any amount of ST with an equal amount of MVPA time is associated with a lower relative risk of CHD, irrespective of genetic susceptibility to CHD. Reductions in CHD absolute risk for replacing ST with MVPA are greater at high genetic risk versus low genetic risk.


Assuntos
Exercício Físico , Comportamento Sedentário , Humanos , Feminino , Masculino , Fatores de Risco , Acelerometria , Estratificação de Risco Genético
3.
Artigo em Inglês | MEDLINE | ID: mdl-37804123

RESUMO

BACKGROUND: Grip strength has prognostic value for aging-related health outcomes. Whether the associations of grip strength with the risk of dementia and Alzheimer's disease (AD) vary by the genetic risk of AD and related dementias (ADD) is unknown. METHODS: This study included 148 659 older adults of white British ancestry (aged ≥60 years) participating in UK Biobank with no dementia, and self-reported poor health status at baseline. Polygenic risk scores (PRS) for ADD were calculated based on 64 genetic variants. Grip strength was measured by hand dynamometers. RESULTS: The hazard ratios (HR) of dementia (n = 4 963) and AD (n = 2 373) for high genetic risk of ADD were 2.36 (95% confidence interval [CI]: 2.15-2.59) and 3.00 (95% CI: 2.61-3.44), respectively, compared with low genetic risk. Compared with the bottom tertile of grip strength, the top tertile of grip strength had a hazard ratio (HR) of 0.69 (95% CI: 0.64-0.74) for incident dementia, and 0.74 (95% CI: 0.66-0.82) for incident AD, after adjustment for confounders and PRS for ADD. The risk of dementia and AD was lower with the top grip strength tertile within each level of genetic susceptibility to ADD. There was no evidence of multiplicative interaction between grip strength and genetic susceptibility to ADD for both dementia (p value: .241) and AD (p value: .314). CONCLUSIONS: Older adults with higher PRS for ADD are at higher risk of developing dementia and AD. The risk of dementia and AD was lower in individuals with higher grip strength, regardless of their level of genetic susceptibility to ADD.


Assuntos
Doença de Alzheimer , Humanos , Idoso , Doença de Alzheimer/epidemiologia , Doença de Alzheimer/genética , Incidência , Envelhecimento , Fatores de Risco , Predisposição Genética para Doença , Estratificação de Risco Genético , Força da Mão
4.
J Affect Disord ; 326: 49-56, 2023 04 01.
Artigo em Inglês | MEDLINE | ID: mdl-36709830

RESUMO

OBJECTIVES: Increasing depressive symptoms have become an urgent public health concern worldwide. This study aims to explore the correlation between personality traits and changes in depressive symptoms before and after the COVID-19 outbreak and to examine the gender difference in this association further. METHODS: Data were obtained from the China Family Panel Studies (CFPS, wave in 2018 and 2020). A total of 16,369 residents aged 18 and above were included in this study. Multinomial logistic regression analysis was used to examine whether personality traits were associated with changes in depressive symptoms. We also analyzed whether there was an interaction effect of gender and personality traits on depressive symptoms. RESULTS: Conscientiousness, extroversion, and agreeableness are negatively associated with depressive symptoms, while neuroticism and openness are positively related. Gender moderates the relationship between personality traits and depressive symptoms. Compared to men, women have demonstrated a stronger association between neuroticism (OR = 0.79; 95 % CI = 0.66, 0.94), conscientiousness (OR = 1.40; 95 % CI = 1.15, 1.69), and persistent depressive symptoms. LIMITATIONS: Given its longitudinal study design, it is insufficient to draw a causal inference between personality traits and depressive symptoms. CONCLUSION: Personality traits and their various dimensions are correlated with changes in depressive symptoms. Persistent depressive symptoms are positively related to neuroticism and negatively associated with conscientiousness. Women demonstrate a stronger association between personality traits and persistent depressive symptoms. Thus, in Chinese adults' mental health intervention and prevention programs, personality and gender-specific strategies should be considered, especially in the context of the COVID-19 pandemic.


Assuntos
COVID-19 , Depressão , Masculino , Humanos , Adulto , Feminino , Seguimentos , Depressão/epidemiologia , Depressão/etiologia , Estudos Longitudinais , Fatores Sexuais , População do Leste Asiático , Pandemias , Personalidade , Neuroticismo , Surtos de Doenças , Inventário de Personalidade
5.
J Health Psychol ; 27(9): 2211-2226, 2022 08.
Artigo em Inglês | MEDLINE | ID: mdl-34180295

RESUMO

The COVID-19 pandemic is associated with Posttraumatic Stress Symptoms (PTSS) and self-reported Posttraumatic Growth (PTG) in the general population. This study used linear regressions for analyses, based on an online survey conducted during the COVID-19 lockdown among 2441 Chinese adults in February 2020. The results showed negative coping and attributing responsibilities to individuals were associated with more PTSS, while both positive and negative coping, as well as attributing responsibilities to individuals were related to more PTG. Moreover, attribution of responsibilities modified the association between coping and PTSS, but not PTG. These findings shed light on mental health interventions in a pandemic context.


Assuntos
COVID-19 , Transtornos de Estresse Pós-Traumáticos , Adaptação Psicológica , Adulto , China/epidemiologia , Controle de Doenças Transmissíveis , Humanos , Saúde Mental , Pandemias , Transtornos de Estresse Pós-Traumáticos/psicologia
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