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

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

Alcohol consumption during pregnancy	Low birth weight		Preterm birth		Small-for-gestational-age		Adjusted mean of birth weight, g (95% CI)^b
Alcohol consumption during pregnancy	Rate (%)	OR (95% CI)^a	Rate (%)	OR (95% CI)^a	Rate (%)	OR (95% CI)^b	Adjusted mean of birth weight, g (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

^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.
^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.

ISSN: 1471-2393