Table 2.

Tetrachoric and Polychoric Correlations of Global Measures of Substance Use and Risky Sexual Behavior

Risky Sexual Behavior	Alcohol Use	Marijuana Use	Crack Use	Hallucinogen Use	Heroin Use	Symptoms of Dependencyh
No. of partners for vaginal  sexa	0.64	0.66	0.49	0.51	0.44	0.59
No. of partners for oral sexb	0.56	0.68	0.66	0.59	0.55	0.46
No. of partners for anal sexc	0.51	0.49	0.41	0.37	0.44	0.42
How little knew partnersd	0.67	0.74	0.58	0.60	0.68	0.58
Gave sex for survival	0.52	0.68	0.72	0.37	0.54	0.54
Got sex for survival	0.35	0.55	0.26	0.50	0.48	NS
Had sex with partner with  HIVe	0.40	0.66	0.37	0.43	0.47	0.52
Had sex with partner with  STDe	0.53	0.53	0.43	0.48	0.44	0.52
Had sex with partner with  IVDUe	0.44	0.65	0.51	0.37	0.55	0.54
Had gay or bisexual sexf	0.46	NS	0.48	NS	NS	0.40
Frequency of condom useg	0.21	0.23	NS	0.17	NS	0.24

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

^aRecoded five categories where 0 = 0; 1 = 1–5; 2 = 6–10; 3 = 11–20; 4 = 21+partners.

^bRecoded three categories where 0 = 0; 1 = 1–5; 2 = 6+ partners.

^cRecoded three categories where 0 = 0; 1 = 1–2; 2 = 3+ partners.

^dResponse codes are: 0 = no partners; 1 = regular partner(s) only; 2 = casual partner(s) but no onetime partner(s); 3 = onetime partner(s).

^eResponse codes are: 0 = no; 1 = don’t know; 2 = yes.

^fIncludes men only.

^gResponse codes are: 0 = always; 1 = most of the time; 2 = sometimes; 3 = never.

^hRecoded three categories where 0 = 0; 1 = 1–2; 2 = 3–5 symptoms.