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Table 6 Associations between type of fuel and risk of SGA

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

Fuel type AGA SGA ORa(95 % CI)
Gas 6232 509 1.00
Coal 264 55 1.27(0.90–1.80)
Biomass 88 22 1.22(0.70–2.08)
Electromagnetic 377 56 1.27(0.93–1.74)
  1. aAdjusted for maternal age, education, family income, maternal weight gain, vitamin supplement during pregnancy, preeclampsia, caesarean section, parity, smoking, and ventilation