Table 4.

Adjusted odds ratios for characteristics of women consuming versus not consuming alcohol during the period of pre-pregnancy recognition (n=1042).

Characteristic	Drinker (n=525) n (%)	Non-drinker (n=517) n (%)	Odds ratio	95% CI
Planned pregnancy
Yes	388 (46.9)	439 (53.1)	1.00
No	137 (66.8)	68 (33.2)	2.31	1.56–3.40
Annual family income (Canadian)
<$32,100	46 (50.5)	45 (49.5)	1.00
$32,100–$51,300	69 (49.6)	70 (50.4)	1.10	0.60–2.00
$51,301–$72,000	90 (46.9)	102 (53.1)	1.31	0.73–2.34
$72,001–$101,300	143 (51.6)	134 (48.4)	1.65	0.95–2.89
>$101,300	158 (54.1)	134 (45.9)	2.36	1.34–4.17
Any assisted reproductive technology
Yes	32 (25.4)	94 (74.6)	1.00
No	493 (54.3)	415 (45.7)	3.10	1.96–4.90
Previous miscarriage
Yes	33 (35.9)	59 (64.1)	1.00
No	492 (52.2)	450 (47.8)	2.34	1.41–3.90
Smoke
Yes	161 (70.6)	67 (29.4)	3.00	2.09–4.32
No	364 (45.2)	442 (54.8)	1.0
Caucasian
Yes	473 (54.9)	389 (45.1)	2.94	1.98–4.36
No	52 (30.4)	119 (69.6)	1.00

Note: Frequencies may vary due to missing cases.

CI, confidence intervals.