Table 4.

Logistic Regression for Predictors of Retention at 18 Months (Adjusted for Sex, Age Group, Education Level, and Site Type)

	African American					Hispanic
Predictors	Beta	95% CI	Odds Ratio	OR 95% CI	p-value	Beta	95% CI	Odds Ratio	OR 95% CI	p-value
Intervention timinga	−.65	−1.33, 0.03	0.52	0.27, 1.03	.06	−.05	−0.93, 0.83	0.95	0.39, 2.31	.91
Group sessions	.14	0.08, 0.19	1.15	1.09, 1.21	< .0001	.17	0.09, 0.26	1.19	1.10, 1.29	< .0001
Individual sessions	.40	0.14, 0.67	1.50	1.15, 1.95	.003	.35	0.17, 0.53	1.42	1.18, 1.71	.0002
Activity frequency	.01	0.00, 0.03	1.01	1.00, 1.03	.17	.01	−0.01, 0.04	1.01	0.99, 1.04	.30
Active coping	.52	0.11, 0.94	1.69	1.12, 2.55	.01	−.19	−0.81, 0.42	0.83	0.45, 1.53	.54
Social support	.03	−0.09, 0.15	1.03	0.92, 1.16	.61	.09	−0.11, 0.30	1.10	0.89, 1.35	.38
Social network	.02	−0.02, 0.06	1.02	0.98, 1.06	.34	.07	0.02, 0.13	1.07	1.02, 1.13	.01
Physical HRQL	−.01	−0.05, 0.02	0.99	0.95, 1.02	.49	−.03	−0.08, 0.03	0.98	0.93, 1.03	.32
Mental HRQL	−.01	−0.04, 0.02	0.99	0.96, 1.02	.54	−.004	−0.05, 0.04	1.00	0.95, 1.05	.86

^aHigher scores were used to indicate delayed intervention.