Table 3.

Predictors of growth parameters of cocaine use among gay and bisexual men

Fixed effects	Intercept		Linear term		Quadratic term
	Coefficient (SE)	P	Coefficient (SE)	P	Coefficient (SE)	P
Intercept	2.10‡ (0.15)	.000	−1.4†(0.44)	.002	0.42* (0.17)	.02
Demographic factors
Age	0.002 (0.01)	.83	0.02 (0.03)	.53	−0.01 (0.01)	.32
Black	−0.09(0.18)	.62	0.04 (0.50)	.94	0.03 (0.20)	.90
Latino	0.27 (0.16)	.10	0.23 (0.46)	.62	−0.07(0.18)	.71
Asian/Pacific Islander	−0.37 (0.33)	.26	2.26* (0.89)	.01	−0.68 (0.35)	.05
Other	0.33 (0.35)	.5	−0.56 (0.95)	.55	0.28 (0.37)	.45
Psychosocial factors
Depression	−0.14 (0.13)	.27	−0.25 (0.36)	.49	0.18(0.14)	.22
Hostility	0.02 (0.14)	.91	0.06 (0.37)	.88	0.06(0.15)	.70
Anxiety	0.02 (0.14)	.92	0.17 (0.39)	.67	−0.17(0.16)	.29
Sensation seeking for drug	0.13 (0.12)	.31	−0.26 (0.35)	.45	0.14 (0.14)	.30
Sensation seeking for sex	−0.32* (0.14)	.03	0.67 (0.41)	.10	−0.25 (0.16)	.13
Sensation seeking (general)	−0.03 (0.13)	.81	0.09 (0.38)	.81	−0.08(0.15)	.60
Unpleasant emotions	0.46‡ (0.11)	<.001	0.15 (0.31)	.63	−0.13 (0.12)	.27
Physical discomfort	0.33* (0.14)	.02	−1.03* (0.39)	.01	0.34* (0.16)	.03
Pleasant times with others	0.41‡ (0.08)	<.001	−0.78† (0.23)	.001	0.31† (0.09)	.001
Conflict with others	−0.15 (0.14)	.30	-0.65 (0.41)	.12	0.30 (0.17)	.07
Social pressures	−0.08 (0.08)	.36	0.24 (0.24)	.31	−0.10(0.09)	.30
HIV status	0.03 (0.14)	.82	0.28 (0.40)	.49	−0.12(0.16)	.46
Random effects	1.15‡		7.70‡		1.22‡

^* p < .05

^† p < .01

^‡ p < .001.