Table 1

Comparison of the gestational age and birth weight between the two cohorts

ParametersUrban cohortSemiurban cohortp Value
Gestational age (weeks)
 Mean30.9031.530.183
 Median31.0032.00
 Range26–3628–36
 SD2.5301.942
Birth weight (grams)
 Mean134413750.216
 Median13001400
 Range800–2500740–2000
 SD397.510287.388