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Table 1 Baseline characteristics of the subjects (N = 1325)

From: Evaluation of childhood traumatic experience as a risk factor for alcohol use disorder in adulthood

 

Infant exposure group

Prenatal exposure group

No exposure group

Test value

P

N

 

374

399

552

  

Gender (%)

Male

317(84.8)

348(87.2)

475(86.1)

0.786

0.675

Female

57(15.2)

51(12.8)

77(13.9)

  

Age (year)

 

39.5 ± 0.6

38.5 ± 0.8

37.5 ± 0.9

931.979

<0.001

Education (%)

Illiterate and primary school

9(2.4)

8(2.0)

6(1.1)

12.597

0.05

Junior high school

70(18.7)

64(16.0)

73(13.2)

  

High school / secondary school

197(52.7)

221(55.4)

289(52.4)

  

College and above

98(26.2)

106(26.6)

184(33.3)

  

Marital status (%)

Unmarried

4(1.1)

7(1.8)

3(0.5)

2.976

0.812

Married

351(93.9)

378(94.7)

518(93.8)

  

Divorced

16(4.3)

17(4.3)

29(5.3)

  

Widowed

3(0.8)

1(0.3)

2(0.4)

  

Average household income (%)

≤1000 RMB

7(1.9)

15(3.8)

17(3.1)

7.397

0.494

1001–2000 RMB

98(26.2)

97(24.3)

138(25.0)

  

2001-5000RMB

247(66.0)

251(62.9)

347(62.9)

  

5001–10,000 RMB

22(5.9)

34(8.5)

48(8.7)

  

>10,000 RMB

0

2(0.5)

2(0.4)

  

Smoke (%)

smoker

182(48.7)

195(48.9)

280(50.7)

2.088

0.719

ex-smoker

31(8.3)

34(8.5)

55(10.0)

  

Non-smoker

161(43.0)

170(42.6)

217(39.3)

  

N

 

374

399

552

  

Mother’s age at birth

27.2 ± 4.3

27.4 ± 4.9

27.7 ± 4.5

4.211

0.122

Parity (%)

First born

196(52.4)

208(52.1)

269(48.7)

1.226

0.874

Second child

99(26.5)

110(27.6)

133(24.1)

  

Other

79(21.1)

81(20.3)

120(21.7)

  

Birth weight (g)

3203.6 ± 571.5

3195.4 ± 593.8

3187.6 ± 570.9

0.066

0.936

Alcohol dependence family history (%)

10(2.7)

9(2.3)

14(2.5)

0.147

0.929