Table 4 Logistic regression analyses in the US young adult sample

(95% CI)

p

(95% CI)

p

DRD2 TaqIB

   gender

(0.61 - 5.97)

0.268

(0.47 - 8.20)

0.358

   abuse

(1.15 - 2.61)

0.008

(1.08 - 2.89)

0.025

3 genetic groups

(2.14 - 21.57)

0.001

(2.56 - 45.90)

0.001

   gender

(0.63 - 6.15)

0.241

(0.50 - 8.51)

0.322

   abuse

(1.17 - 2.65)

0.006

(1.10 - 2.93)

0.018

2 genetic groups

(2.18 - 22.46)

0.001

(2.62 - 47.86)

0.001

DRD2/ANKK1 TaqIA

   Gender

(0.75 - 6.76)

0.148

(0.62 - 9.22)

0.207

   Abuse

(1.08 - 2.34)

0.019

(1.01 - 2.52)

0.048

3 genetic groups

(1.36 - 7.83)

0.008

(1.28 - 10.69)

0.016

   Gender

(0.75 - 6.74)

0.147

(0.69 - 10.66)

0.154

   Abuse

(1.10 - 2.37)

0.015

(1.05 - 2.65)

0.031

2 genetic groups

(1.54 - 15.64)

0.007

(1.91 - 28.98)

0.004

DRD4 -616 C/G

   Gender

(0.60 - 6.01)

0.274

(0.46 - 8.00)

0.371

   Abuse

(1.36 - 3.31)

0.001

(1.28 - 3.65)

0.004

3 genetic groups

(1.75 - 12.30)

0.002

(1.66 - 17.57)

0.005

   Gender

(0.53 - 5.13)

0.392

(0.46 - 7.53)

0.390

   abuse

(1.31 - 3.22)

0.002

(1.23 - 3.40)

0.006

2 genetic groups

(1.92 - 30.53)

0.004

(1.69 - 37.72)

0.009

DRD4 -521 C/T

   gender

(0.70 - 6.12)

0.185

(0.73 - 9.95)

0.137

   abuse

(1.14 - 2.43)

0.008

(1.12 - 2.78)

0.015

3 genetic groups

(0.63 - 3.56)

0.359

(0.66 - 5.38)

0.235

   gender

(0.64 - 5.71)

0.244

(0.73 - 10.87)

0.131

   abuse

(1.15 - 2.51)

0.008

(1.14 - 3.00)

0.013

2 genetic groups

(0.90 - 7.90)

0.077

(0.96 - 12.72)

0.057