From: Psychological, social, and motivational factors in persons who use drugs
| Variable | Childhood problems | Violence | Risk-taking behavior | Social conformity | Social functioning |
|---|---|---|---|---|---|
| Age | −0.084 | 0.143* | 0.060 | 0.089 | −0.052 |
| Number of children | −.098 | −.097 | 0.002 | 0.067 | −0.067 |
| The experience of drug use | −0.064 | −0.093 | −.0.012 | 0.028 | −0.075 |
| Age of first experience of drugs | −0.040 | 0.036 | 0.074 | 0.071 | 0.030 |