Table 2 Strength of habit, social support, time point at which drinking reduced tobacco use and drinking motives among moderate and hazardous drinkers

Strength of habit (lower score=stronger habit)

n=1068

n=223

<0.001^a

 4-10 points

10 (0.9)

22 (9.9)

 11-15 points

87 (8.1)

65 (29.1)

 16-20 points

971 (90.9)

136 (61.0)

Time point when alcohol reduced

n=1025

n=229

<0.001^b

 Planning pregnancy

338 (33.0)

41 (18.6)

 Aware of pregnancy

672 (65.6)

177 (80.5)

 Other

15 (1.5)

2 (1)

Social support (lower score =lower support)

n=1058

n=223

0.707^a

 5-18 points

31 (2.9)

15 (6.7)

 19-24 points

84 (7.9)

11 (4.9)

 25 or more points

943 (89.1)

197 (88.3)

Tobacco use before pregnancy

n=1059

n=222

<0.001^b

 Daily

134 (12.7)

80 (36.0)

 Not daily

66 (6.2)

34 (15.4)

 Quit before pregnancy

142 (13.4)

28 (12.6)

 Never used

717 (67.7)

80 (36.0)

Drinking motive: social (lower score= less important)

n=1060

n=226

<0.001^a

 4-10 points

917 (86.4)

125 (55.3)

 11-15 points

135 (12.7)

90 (39.8)

 15-20 points

8 (0.8)

11 (4.9)

Drinking motive: coping

n=1054

n=224

 4-10 points

1044 (99.1)

199 (88.8)

<0.001^a

 11-15 points

7 (0.7)

21 (9.4)

 15-20 points

3 (0.3)

4 (1.8)

Drinking motive: enhancement

n=1057

n=226

<0.001^a

 4-10 points)

990 (93.7)

145 (64.2)

 11-15 points

64 (6.1)

70 (31.0)

 15-20 points

3 (0.3)

11 (4.9)