Table 4 contains the results of the adjusted logistic regression analyses of nine maternal characteristics across PAE tiers 1 and 2. Table 5 shows the same analysis for the expanded, PAE tier 3 categories. Current financial situation, relationship status, maternal age and region of residence are not included as either no meaningful differences in the univariate analysis were noted between groups or group numbers were too small.Table 2Pregnancy alcohol exposure patterns three months before pregnancy and during pregnancyAlcohol drinking level in 3 months prior to pregnancya NoneLowModerateHighBinge N (%) N (%) N (%) N (%) N (%)Total N (%)PAE tier 1 Abstinent throughout pregnancy261 (90.0)82 (41.6)79 (27.4)3 (6.4)69 (12.3)494 (35.7) Drank alcohol while pregnant29 (10.0)115 (58.4)209 (72.6)44 (93.6)494 (87.7)891 (64.3) Total290 (100.0)197 (100.0)288 (100.0)47 (100.0)563 (100.0)1385 (100.0)PAE tier 2 Abstinent throughout pregnancy261 (90.0)82 (41.6)79 (27.4)3 (6.4)69 (12.3)494 (35.7) Drank alcohol in trimester one only22 (7.6)64 (32.5)119 (41.3)15 (32.9)210 (37.3)430 (31.1) Drank alcohol throughout pregnancy7 (2.4)51 (25.9)90 (31.6)29 (61.7)284 (50.4)461 (33.3) Total290 (100.0)197 (100.0)288 (100.0)47 (100.0)563 (100.0)1385 (100.0)PAE tier 3 Abstinent throughout pregnancy261 (90.0)82 (41.6)79 (27.4)3 (6.4)69 (12.3)494 (35.7) Low in
