We analysed pooled data on neonatal survival in singleton infants born in the 5 years before each of the Indonesian demographic and health surveys of 1994, 1997 and 2002-2003.
To determine whether routine surveys, such as the Demographic and Health Surveys (DHS), have underestimated child mortality in Malawi.
确定诸如人口和卫生调查（DHS）之类的常规例行调查是否低估了马拉维的儿童死亡率。
3
Indicators of attitudes towards and use of contraception were derived from Demographic and Health Surveys, which are nationally representative and yield internationally comparable data.