Table 3 Relationship between early maternal age at onset of drinking and first intoxication and pregnancy alcohol consumption patterns
From: “Did you ever drink more?” A detailed description of pregnant women’s drinking patterns
Age at drinking regularlya | Age first intoxicatedb | |||||
|---|---|---|---|---|---|---|
> = 18 yrs | <18 yrs | p chi2c | > = 18 yrs | <18 yrs | P chi2c | |
Total number of participants | 626 (%) | 489 (%) | 554 (%) | 651 (%) | ||
Abstinent throughout pregnancy | 181 (28.9) | 133 (27.2) | Reference | 211 (38.1) | 164 (25.2) | Reference |
PAE tier 1 | ||||||
Drank alcohol while pregnant | 445 (71.1) | 356 (72.8) | 0.53 | 343 (61.9) | 487 (74.8) | <0.001 |
PAE tier 2 | ||||||
Drank alcohol in trimester one only | 220 (35.1) | 150 (30.7) | 0.63 | 186 (33.6) | 196 (30.1) | 0.04 |
Drank alcohol throughout pregnancy | 225 (35.9) | 206 (42.1) | 0.14 | 157 (28.3) | 291 (44.7) | <0.001 |
PAE tier 3 | ||||||
Low in T1, abstinent in T2 and T3 | 68 (10.9) | 37 (7.6) | 0.20 | 59 (10.6) | 52 (8.0) | 0.56 |
Moderate/high in T1, abstinent in T2 and T3 | 86 (13.7) | 68 (13.9) | 0.71 | 76 (13.7) | 78 (12.0) | 0.15 |
Binge preaware, abstinent in T2 and T3 | 66 (10.5) | 45 (9.2) | 0.74 | 51 (9.2) | 66 (10.1) | 0.02 |
Low in T1, low/moderate in T2 and/or T3 | 58 (9.3) | 37 (7.6) | 0.56 | 57 (10.3) | 47 (7.2) | 0.79 |
Moderate/high in T1, any level in T2 and/or T3 | 92 (14.7) | 83 (17.0 | 0.28 | 64 (11.6) | 117 (18.0) | <0.001 |
Binge pre-aware, low/moderate in T2 and/or T3 | 75 (12.0) | 86 (17.6) | 0.02 | 36 (6.5) | 127 (19.5) | <0.001 |