This paper investigates the association between family poverty, the level of deprivation in electoral wards and children's cognitive test scores using data from the second generation in the 1991 sweep of the British National Child Development Study (1958 birth cohort). Family poverty has a significant association with lower test scores in children of all ages (4-18 years). Neighbourhood poverty...

OBJECTIVES To assess inconsistencies in reported age at first sex (AFS) and age at first marriage (AFM) in three African cohorts, and consider their implications for interpreting trends in sexual and marital debut. METHODS Data were analysed from population-based cohort studies in Zimbabwe, Uganda and South Africa with 3, 10 and 4 behavioural survey rounds, respectively. Three rounds over a s...

Background Children placed in out-of-home care (OHC) have exceedingly high rates of health problems. Their poor health tends to persist across adolescence and into young adulthood, resulting in increased risks of mortality. Yet, very little is known about this group's mortality risks later in life. The aim of this study was to investigate whether OHC was associated with the risk of all-cause mo...

conclusions according to the findings of this study, there is no relationship between shift work and changes in serum tg and cholesterol. the lack of relationship can be due to shift plans for shift workers, nutrition, or the “healthy heart project” at isfahan mobarakeh steel company. results the results showed a significant difference in cholesterol levels between shift workers and day workers...

introduction: sleep disorder caused by adenotonsillar hypertrophy has been implicated as a cause of primary and secondary nocturnal enuresis in children.  this study was conducted to investigate the effect of adenotonsillectomy on enuresis in children with adenotonsillar hypertrophy.  materials and methods: this prospective cohort study was conducted in hamadan city in western iran, from april ...

"This paper looks into the timing and sequences of early life transitions of Canadian women using data from the 1995 General Social Survey of Family. Six events occurring in early adulthood are examined: school completion, first job, home-leaving, first cohabitation, first marriage, and first birth. Our analysis of birth cohorts spanning 60 years shows that the biggest changes in timing occurre...

background dietary factors such as intake of minerals may play a role in the etiology of esophageal cancer. although it has been hypothesized that manganese can affect the risk of some types ofcancer, its role in esophageal cancer is unknown. the objective of this study was to investigate the association between intakes of manganese with esophageal cancer in golestan cohort study. materials and...

background: the incidence rate of esophageal squamouse cell cancer (escc) in eastern part of golestan province in iran is among the highest ones in the world. in order to discover the factors interplay in high rate of escc incidence, several case-control and cross-sectional studies were established in this area.as a cohort study has priority in detecting risk factors of a disease, a 10-year pro...