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Table 1 Demographic characteristics of subjects

From: Oxytocin receptor gene, childhood maltreatment and borderline personality disorder features among male inmates in China

Characteristic

BP group (n = 342)

Non-BP group (n = 423)

Statistic

p

Age M ± SD

33.86 ± 9.03

33.22 ± 8.81

0.979a

0.328

Education, n(%)

 Less than or equal to 6 years

120 (35.1)

138 (32.6)

  

 7–12 years

211 (61.7)

265 (62.6)

  

 More than or equal to 13 years

11 (3.2)

20 (4.7)

1.434b

0.488

Marital status, n(%)

 unmarried

130 (38.0)

166 (39.2)

  

 Married/cohabitation

157 (45.9)

198 (46.8)

  

 Divorce/widowed

55 (16.1)

59 (13.9)

0.685b

0.710

Reproductive status

 Nonbirth

140 (40.9)

184 (43.5)

  

 Birth

202 (59.1)

239 (56.5)

0.509b

0.476

CTQ total score M ± SD

51.79 ± 17.53

42.92 ± 15.55

7.320a

< 0.001

Emotional abuse

9.26 ± 4.05

7.73 ± 3.59

5.460a

< 0.001

Physical abuse

9.06 ± 4.63

7.48 ± 3.75

5.090a

< 0.001

Sexual abuse

8.24 ± 4.08

6.83 ± 3.58

5.029a

< 0.001

Emotional neglect

14.35 ± 5.83

11.73 ± 5.34

6.413a

< 0.001

Physical neglect

10.87 ± 3.83

9.13 ± 3.78

6.274a

< 0.001

  1. Note: a Independent-sample t-test, b chi-squared goodness-of-fit test;
  2. CTQ Childhood Trauma Questionnaire