the purpose of this paper is to investigate the differences in value of children between the 1960s, 1970s, after 1980 birth cohort, and identifying the factors affecting. the data for this study are drawn from a survey in semnan province in 2012. information is related to 405 married women aged 15-49 years. the result shows that the highest score of the children value belonged to the 1960 birth...

BACKGROUND In 2003, the Japanese government halted the national mass screening program for neuroblastoma (NB), which had been running since the mid-1980s. It is not known whether the NB mortality rate subsequently increased or decreased. METHODS Utilizing vital statistics data from 1980 through 2006, we analyzed the secular trends in NB mortality by using cancer of the adrenal gland as a surr...

PURPOSE We analyzed the changes in the body mass index (BMI) distribution for urban Australian adults between 1980 and 2007. METHODS We used data from participants of six consecutive Australian nation-wide surveys with measured weight and height between 1980 and 2007. We used quantile regression to estimate mean BMI (for percentiles of BMI) and prevalence of severe obesity, modeled by natural...

Declaration of interest None. There have been marked changes in ageand gender-specific suicide rates in England and Wales over the past 50 years (Charlton et al, 1992; McClure, 2000). A feature of the recent trends has been the rise in young male suicides. An important public health concern is that birth cohorts could carry with them their increased predisposition to suicide as they age. Such c...

We present 127 years of data on the physical stature of military conscripts born in Italy during 1854-1980, as well as an analysis of regional variations in height (for birth cohorts born during 1927-1980). The height of young men has increased in all regions of Italy. The secular trend and the regional changes in stature are correlated with economic growth and a general improvement of living c...

BACKGROUND A reduction in the sex ratio at birth has been linked to maternal condition during and before pregnancy. A recent study reported an association between maternal exposure to severe life events and sex ratio at birth using the Danish national register. We attempted to replicate that study using a new Danish cohort. METHODS Mothers of all singleton live births (n = 1.35 million births...

BACKGROUND Preterm birth, low birth weight, and infant catch-up growth seem associated with an increased risk of respiratory diseases in later life, but individual studies showed conflicting results. OBJECTIVES We performed an individual participant data meta-analysis for 147,252 children of 31 birth cohort studies to determine the associations of birth and infant growth characteristics with ...

OBJECTIVE This study ascertained the incidence of complications during pregnancy, labor, and delivery and the neonatal characteristics of infants born to women with schizophrenia, bipolar disorder, or major depression in a population-based cohort. METHOD Based on records linkage across a psychiatric case register and prospectively recorded obstetric data, the study comprised women with schizo...

BACKGROUND The aim of this longitudinal study was to analyze whether mean Body Mass Index (BMI), assessed at four occasions, changed within different age groups and birth cohorts over time, i.e., between 1980/81 and 2004/05, after adjustment for possible confounders. METHODS A sample of 2728 men and 2770 women aged 16-71 years at study start were randomly drawn from the Swedish Total Populati...