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1.
Int J Obes (Lond) ; 48(8): 1157-1163, 2024 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-38816565

RESUMEN

BACKGROUND: Childhood adversity has previously been associated with overweight and obesity in adult life, but there is a need for larger population-based studies using prospectively obtained adversity trajectories across childhood to confirm these associations. Moreover, childhood adversity may also be associated with underweight, which is less often studied. The aim of the current study is to investigate the association between childhood adversity trajectories from 0-15 years with weight categories in young adult men. METHODS: The Danish Life Course Cohort (DANLIFE) was linked with the Danish Conscription Registry resulting in a study sample of 359,783 men, who have been assigned to one of five previously identified adversity trajectories from 0-15 years: "low adversity", "early material deprivation", "persistent material deprivation", "loss or threat of loss", and "high adversity". Height and weight in young adulthood was assessed at a draft board examination at age 18-26 years. Associations of adversity trajectories and weight categories were investigated in multinomial regression models. RESULTS: Compared with the "low adversity" group, the four other adversity groups had higher risks of underweight, overweight, and obesity. The "high adversity" group showed the strongest associations with both underweight (1.44 (1.32, 1.58)) and obesity (1.50 (1.39, 1.61)) when adjusted for parental origin, birth year, age at draft board examination, and maternal age. CONCLUSION: Childhood adversity, experienced between 0 and 15 years of life, was associated with a higher risk of underweight, overweight, and obesity in young adulthood among men.


Asunto(s)
Experiencias Adversas de la Infancia , Sistema de Registros , Humanos , Masculino , Dinamarca/epidemiología , Adulto Joven , Experiencias Adversas de la Infancia/estadística & datos numéricos , Adulto , Adolescente , Niño , Delgadez/epidemiología , Sobrepeso/epidemiología , Peso Corporal/fisiología , Preescolar , Lactante , Obesidad/epidemiología , Índice de Masa Corporal , Factores de Riesgo
2.
Environ Res ; 194: 110631, 2021 03.
Artículo en Inglés | MEDLINE | ID: mdl-33345898

RESUMEN

BACKGROUND: Knowledge of the role of melatonin, xenograft experiments, and epidemiological studies suggests that exposure to light at night (LAN) may disturb circadian rhythms, possibly increasing the risk of developing breast cancer. OBJECTIVES: We examined the association between residential outdoor LAN and the incidence of breast cancer: overall and subtypes classified by estrogen (ER) and progesterone (PR) receptor status. METHODS: We used data on 16,941 nurses from the Danish Nurse Cohort who were followed-up from the cohort baseline in 1993 or 1999 through 2012 in the Danish Cancer Registry for breast cancer incidence and the Danish Breast Cancer Cooperative Group for breast cancer ER and PR status. LAN exposure data were obtained from the U.S. Defense Meteorological Satellite Program (DMSP) available for 1996, 1999, 2000, 2003, 2004, 2006, and 2010 in nW/cm2/sr unit, and assigned to the study participants' residence addresses during the follow-up. Time-varying Cox regression models were used to calculate the hazard ratios (HRs) and 95% confidence intervals (CIs) for the association between LAN and breast cancer, adjusting for individual characteristics, road traffic noise, and air pollution. RESULTS: Of 16,941 nurses, 745 developed breast cancer in total during 320,289 person-years of follow-up. We found no association between exposure to LAN and overall breast cancer. In the fully adjusted models, HRs for the highest (65.8-446.4 nW/cm2/sr) and medium (22.0-65.7 nW/cm2/sr) LAN tertiles were 0.97 (95% CI: 0.77, 1.23) and 1.09 (95% CI: 0.90, 1.31), respectively, compared to the lowest tertile of LAN exposure (0-21.9 nW/cm2/sr). We found a suggestive association between LAN and ER-breast cancer. CONCLUSION: This large cohort study of Danish female nurses suggests weak evidence of the association between LAN and breast cancer incidence.


Asunto(s)
Neoplasias de la Mama , Neoplasias de la Mama/epidemiología , Neoplasias de la Mama/etiología , Ritmo Circadiano , Estudios de Cohortes , Dinamarca/epidemiología , Femenino , Humanos , Incidencia , Luz , Factores de Riesgo
3.
Eur J Public Health ; 31(2): 340-346, 2021 04 24.
Artículo en Inglés | MEDLINE | ID: mdl-33417705

RESUMEN

BACKGROUND: Colorectal cancer screening program using a fecal immunochemical test aims to reduce morbidity and mortality through early detection. Although screening participation is free-of-charge, almost 40% of the invited individuals choose not to participate. To bring new insight into how non-participation can be identified and targeted, we examined the association between marital status and screening participation; with a focus on partner concordance in participation and sex differences. METHODS: This nationwide cross-sectional study included all Danish citizens aged 50-74 years, who were invited to colorectal cancer screening between 2014 and 2017. Logistic regression analysis was used to estimate odds ratio (OR) of participation while adjusting for sociodemographic variables. RESULTS: A total of 1 909 662 individuals were included in the analysis of which 62.7% participated in the screening program. Participation was highest among women. Stratified by marital status, screening participation was markedly lower in widowed (61.5%), divorced (54.8%) and single (47.3%), while participation reached 68.4% in married individuals. This corresponded to ORs of 0.59 (95% CI 0.58-0.59) for widowed, 0.56 (95% CI 0.55-0.56) for divorced and 0.47 (95% CI 0.47-0.48) for single, compared to married individuals. Individuals married to a participating partner were five times more likely to participate than married individuals with a non-participating partner, regardless of gender. CONCLUSIONS: Marital status was strongly associated with participation in colorectal cancer screening, and participation was even higher in married individuals with a participating partner. Future efforts to increase participation in colorectal cancer screening could potentially benefit from considering the role of partner concordance.


Asunto(s)
Neoplasias Colorrectales , Detección Precoz del Cáncer , Neoplasias Colorrectales/diagnóstico , Estudios Transversales , Femenino , Humanos , Masculino , Estado Civil , Sangre Oculta
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