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. Author manuscript; available in PMC: 2015 Feb 3.
Published in final edited form as: Addiction. 2012 Nov;107(0 1):74–82. doi: 10.1111/j.1360-0443.2012.04041.x

Table 1.

Characteristics of participants at study entry by psychiatric symptom group (n=175)

Characteristics Reported Symptoms at Screening n (%) P
Neither Anxiety Depression Both
66 (37.7) 34 (19.4) 19 (10.9) 56 (32.0)
Maternal age, years M(SD) 25.5 (5.4) 28.6 (5.5) 28.5 (6.6) 28.2 (6.0) 0.018
EGA, weeks M(SD) 18.4 (6.7) 19.2 (7.0) 19.2 (5.8) 18.5 (5.7) 0.902
Maternal education, years M(SD) 10.1 (1.9) 12.0 (1.4) 11.0 (1.6) 11.7 (1.9) 0.002
Non-White n (%) 6 (9.1) 6 (17.6) 7 (36.8) 10 (17.9) 0.053
Married n (%) 10 (15.2) 7 (20.6) 2 (10.5) 4 (7.1) 0.277
Employed n (%) 11 (16.7) 3 (8.8) 3 (15.8) 6 (10.7) 0.636
ASI Psychological Composite n (%) < 0.001
 No problem 42 (63.6) 8 (24.2) 7 (36.8) 6 (10.7)
 Slight problem 10 (15.2) 7 (21.2) 4 (21.1) 7 (12.5)
 Moderate problem 9 (13.6) 11 (33.3) 4 (21.1) 20 (35.7)
 Considerable/extreme problem 5 (7.6) 7 (21.2) 4 (21.1) 23 (41.1)

Note: EGA: estimated gestational age