Most respondents were in the age group of 18–35 years as described in Table 1. The percent-age of mothers in that group was as much as seven times higher in the LBW than in the NBW
groups. Almost 96% of the mothers belonged to the Laolum ethnic group, and were mostly
Buddhist in religion. Most mothers of LBW babies (88.9%) belonged to the hard physical labor
group, and 68.9% of them had incomes of less than one million Kips per month