TABLE 1.

Standardized factor loadings for the exploratory (EFA) and confirmatory (CFA) analyses.

Factor	Subsample 1		Subsample 2	Week 24 Sample
	EFA	CFA	CFA	CFA
Patient Communication Self-Efficacy
Ask doctor about illness	0.80	0.80	0.79	0.86
Discuss personal problems with doctor	0.96	0.96	0.83	0.96
Work out difficulties with doctor	0.94	0.94	0.82	0.95
General Physical Coping Self-Efficacy
Keep fatigue from interfering	0.85	0.85	0.73	0.86
Keep pain from interfering	0.85	0.83	0.90	0.95
Keep symptom from interfering	0.94	0.95	0.97	0.97
Control symptoms from interfering	0.88	0.88	0.86	0.91
Reduce discomfort or pain	0.78
General Psychological Coping Self-Efficacy
Keep from feeling sad	0.82	0.82	0.80	0.83
Keep from feeling lonely	0.90	0.90	0.83	0.90
Do something feel better when feel lonely	0.90	0.90	0.94	0.97
Do something feel better when discouraged	0.89	0.89	0.94	0.96
Do something feel better when feel sad	0.89	0.89	0.90	0.91
Adherence Self-Efficacy
Take peginterferon without missing	0.79	0.78	0.65	0.66
Take ribavirin without missing	0.95	0.97	0.89	0.75
Take medication even if side effects	0.78
Take medication even if depressed	0.87	0.84	0.78	0.84
Take medication correctly for next 30 days	0.93	0.93	0.92	0.90
Keep all doctor appointments	0.86	0.87	0.75	0.63