Table 1.

Non-pregnant Women’s Alcohol Consumption: Estimates and Confidence Intervals

	Full sample^a		Non-pregnant, current reports only
Non-pregnant women’s consumption (N- 648)^a	Proportion or Mean	95% Confidence Interval	SPB (N=196) Proportion/Mean	NNR (N=151) Proportion/Mean
Drinkers (proportion)	0.85	(0.78 – 0.91)	0.86	0.93
Binge drinkers (proportion)	0.60	(0.50 – 0.68)	0.55^e	0.77^e
Drinks/week, 8 or more (proportion)	0.02	(0.01–0.04)	0.03	0.01
Drinks/week (mean)	2.12	(1.94 – 2.32)	2.06^e	2.60^e
Drinks/week Drinkers only ^b	2.49	(2.30 – 2.69)	2.39	2.81
At-risk for pregnancy (N=469)^c
Drinkers (proportion)	0.86	(0.79 – 0.90)	0.91	0.93
Binge drinkers (proportion)	0.61	(0.53 – 0.69)	0.66	0.77
Drinks/week (mean), drinkers	2.13	(1.93 – 2.35)	2.19	2.52
Trying to conceive (N=222)^d
Drinkers (proportion)	0.78	(0.69 – 0.85)	0.86	0.94
Binge drinkers (proportion)	0.51	(0.39 – 0.63)	0.61	0.72
Drinks/Week (mean), drinkers	1.58	(1.39 – 1.79)	1.64	2.24

Full sample data include both non-pregnant women’s reports about current drinking and pregnant women’s retrospective reports about pre-pregnancy drinking

Drinkers only row excludes abstainers

At-risk for pregnancy - a subgroup of non-pregnant women who reported sexual activity without contraception during the past 6 months

Trying to conceive - a subgroup of non-pregnant women who reported sexual activity without contraception, with the intent to conceive, during the past 6 months

Indicates significant (α_set=0.05) Bonferroni-adjusted Multiple Comparisons between SPB and NN