TABLE 4.

Birth Outcomes by Randomization to Improved Stove Type, Trial 2, Rural Nepal

Stove Type
VentedLPG
Number of infants gestational age recorded248243
Gestational age, mean (SD),a week39.2 (2.2)39.0 (2.4)
Difference (95% CI)−0.3 (−0.7, 0.2)
Preterm,a %13.319.4
RR (95% CI)1.45 (0.97, 2.19)
Number of infants with birth weight measured188207
Birth weight, mean (SD),b g2780 (427)2742 (431)
Difference (95% CI)−37 (−122, 47)
Low Birth Weight,b %23.431.4
RR (95% CI)1.34 (0.97, 1.86)
Number of infants with both gestational age and birth weight recorded176184
Gestational age, mean (SD),c week39.2 (2.4)39.0 (2.3)
Difference (95% CI)−0.2 (−0.7, 0.3)
Preterm,c %15.319.6
RR (95% CI)1.28 (0.81, 2.01)
Small for Gestational Age,c %47.746.7
RR (95% CI)0.98 (0.79, 1.21)
  • Abbreviations: LPG, liquid petroleum gas; RR, relative risk; SD, standard deviation.

  • a Gestational age between 24 and <43 completed weeks (3.5% of gestational ages fell outside this range).

  • b Birth weights taken within first 72 hours of birth.

  • c Gestational age and preterm among those with birth weights within 72 hours of birth.