. Author manuscript; available in PMC: 2010 Jun 9.

Published in final edited form as: J Adolesc Health. 1998 Dec;23(6):378–388. doi: 10.1016/s1054-139x(98)00033-0

Table 3.

Tetrachoric and Polychoric Correlations of Event-Specific Measures of Substance Use and Risky Sexual Behavior

Risky Behavior During Last Encounter	Substance Use During Last Sexual Encounter

	Alcohol	Any Drug^b	Marijuana^b	Crack^b
How little knew partner^a	0.44	0.38	0.36	0.63
Did not plan sex	NS	NS	NS	−0.58
Did not talk about HIV	NS	NS	NS	−0.38
Did not use condom	NS	NS	0.22	−0.49

All correlations reported are significant at the 0.05 level or better.

Response codes are: 1 = regular partner; 2 = casual partner; 3 = new or onetime partner.

Comparison groups are respondents who used no drugs during their last sexual encounter.