Table 2. Propensity Score–Adjusted Cox Proportional Hazards Regression Full Model for Survival.

Variable	HR (95% CI)	P Value
Intervention
Standard care (control)	1 [Reference]	NA
Early intervention	0.57 (0.36-0.91)	.02
Sex
Male	1.56 (0.95-2.56)	.08
Female	1 [Reference]	NA
Age (1-y increase)	0.99 (0.83-1.17)	.87
Age at onset (1-y increase)	1.03 (0.87-1.21)	.76
Educational level (1-y increase)	0.93 (0.85-1.01)	.10

Abbreviations: HR, hazard ratio; NA, not applicable.