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Table 3 Adjusted odds ratios (ORs) and 95% confidence intervals (CIs) for birth outcomes and adjusted means of birth weight in relation to alcohol consumption during pregnancy in 1565 mother-child pairs

From: Alcohol consumption during pregnancy and birth outcomes: the Kyushu Okinawa Maternal and Child Health Study

Alcohol consumption during pregnancy Low birth weight Preterm birth Small-for-gestational-age Adjusted mean of birth weight, g (95% CI)b
Rate (%) OR (95% CI)a Rate (%) OR (95% CI)a Rate (%) OR (95% CI)b
None (n = 1356) 7.6 1.00 3.5 1.00 7.8 1.00 3008.7 (2991.6 - 3025.8)
< 1.0 g/day (n = 137) 7.3 0.98 (0.46 - 1.85) 5.8 1.69 (0.72 - 3.51) 5.8 0.75 (0.33 - 1.50) 3011.2 (2957.2 - 3065.3)
≥ 1.0 g/day (n = 72) 9.7 1.31 (0.52 - 2.84) 9.7 2.58 (1.004 - 5.80) 11.1 1.41 (0.60 - 2.94) 2952.0 (2876.6 - 3027.3)
P for trend   0.64   0.03   0.74 0.26
  1. aAdjustment for maternal age; region of residence; number of children; family structure; maternal education; maternal employment; body mass index; maternal smoking during pregnancy; and baby’s gender.
  2. bAdjustment for maternal age; region of residence; number of children; family structure; maternal education; maternal employment; body mass index; maternal smoking during pregnancy; gestational age; and baby’s gender.