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. 2013 Aug 27;13:780. doi: 10.1186/1471-2458-13-780

Table 2.

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

  Moderate drinkers, n (%) Hazardous drinkers, n (%) p-value
Strength of habit (lower score=stronger habit)
n=1068
n=223
<0.001a
 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
<0.001b
 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
0.707a
 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
<0.001b
 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
<0.001a
 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)
<0.001a
 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
<0.001a
 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)  

ap-value based on Man Whitney’s U-test.

bp-value based on chi-square test.