This paper provides experimental evidence on the relationship between education and early fertility in a developing country. We exploit experimental variation in the cost of education for a cohort of 18,000 students in Western Kenya. Students in Kenyan primary schools wear uniforms which typically cost about $6. In 163 schools randomly selected from among 328, students enrolled in grade 6 at ba...

We examined associations among longitudinal, multilevel variables and girls' physical activity to determine the important predictors for physical activity change at different adolescent ages. The Trial of Activity for Adolescent Girls 2 study (Maryland) contributed participants from 8th (2009) to 11th grade (2011) (n=561). Questionnaires were used to obtain demographic, and psychosocial informa...

OBJECTIVE To investigate the relationship of snacking during school hours, sleep time, and breakfast consumption by weight status of Iranian high school girls in urban and rural areas in Guilan Province, Iran. DESIGN Data were collected by self-administered questionnaire and measure of body weight and height. SETTING High schools in urban and rural areas in Guilan Province, northern Iran. ...