Exposure to cooking fuels and birth weight in Lanzhou, China: a birth cohort study

BMC Public Health

Table 3 Multiple linear regression model for mean birth weight of cooking fuel types

Fuel type	N	Mean ± SD(g)	Difference from gas^a(g)	95 % CI
Gas	7907	3310.66 ± 499.16	0.00
Coal	358	2970.40 ± 709.54	-73.31	-119.77 to -26.86
Biomass	120	2804.96 ± 803.89	-87.84	-164.46 to -10.76
Electromagnetic	487	3150.22 ± 613.10	-30.20	-69.02 to 8.63

^aAdjusted for maternal age, education, and family income, and maternal weight gain, vitamin supplement during pregnancy, preeclampsia, caesarean section, parity, gestational week, smoking, and ventilation

ISSN: 1471-2458