Table I.

Overview of the 5 cohorts providing data for these analyses

Cohort name	Design	Enrollment year	Cohort description	Most recent follow-up, year
INCAP Nutrition Trial Cohort Study, Guatemala	Community intervention trial	1969-77	Intervention trial of high-energy and protein supplementation in women and children aged <7 y in 1969 and born during 1969-1977 in 4 villages	2003-2005
New Delhi Birth Cohort Study, India	Prospective cohort	1969-72	Births to a population of married women living in a defined area of Delhi, a primarily middle-class sample	2006-2009
Cebu Longitudinal Health and Nutrition Survey, Philippines	Prospective cohort	1983-4	Pregnant women living in 33 randomly selected neighborhoods; 75% urban, all social classes	2005
Birth-to-20 Study, South Africa	Prospective cohort	1990	Babies born to pregnant women living in a defined urban area; a primarily poor, black sample	2008
Pelotas 1982 Birth Cohort Study	Prospective cohort	1982	99% of all births in city's maternity hospital in 1982; all social classes	2005

INCAP, Institute of Nutrition of Central America and Panama.