We assessed gender differences in psychosocial and behavioural predictors of HIV testing and returning for results in a high-risk sample of 1,049 predominately minority, impoverished, homeless and/or drug-abusing women (n 5 621) and men (n 5 428). Predictors included latent variables representing injection drug use, self-esteem, social support, AIDS knowledge, poor access to health services, perceived risk for AIDS, sexual risk behaviour and the mediators of positive and negative coping styles.

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... Signi cant predictors of test and return for women included injection drug use, greater social support, more AIDS knowledge, a higher perceived risk for AIDS and a positive coping style. Signi cant predictors for the men included injection drug use, greater AIDS knowledge, a higher perceived risk for AIDS and a positive coping style. Although greater social support was not signi cant for the men, the signi cant predictors of HIV testing and return were generally similar for the men and women. However, the men evaluated their risk of AIDS signi cantly lower than the women, although they reported more sexual risk behaviours and equally risky injection drug use behaviours. Results suggest that interventions designed to increase AIDS knowledge, to raise the perception of risk and to promote a positive coping style would be effective in encouraging more HIV testing for both men and women, but raising perceptions of what constitutes personal risk behaviours may need special emphasis when delivering prevention programmes to men.