TABLE 5.

Hazard ratio (HR) estimates for MI risk using sampling weights based on the original protocol (IPW), the proposed AIPW method and CLR method.

covariate	IPW (95% CI)	AIPW (95% CI)	CLR (95% CI)
smoking (past)	0.804 (0.151, 1.457)	1.054 (0.815, 1.363)	0.723 (0.431, 1.214)
smoking <15 cig/d	0.890 (0.240, 1.541)	1.222 (0.854, 1.748)	1.067 (0.838, 1.359)
smoking >15 cig/d	1.160 (0.847, 1.473)	1.253 (1.083, 1.449)	NA
age	1.014 (0.502, 1.526)	1.156 (0.852, 1.569)	0.379 (0.077, 1.863)
diabetes	1.573 (1.346, 1.800)	1.359 (1.121, 1.649)	1.335 (1.015, 1.757)
high cholesterol	1.380 (1.073, 1.686)	1.369 (1.073, 1.747)	1.349 (1.049, 1.736)
medication for HBP	1.307 (1.063, 1.550)	1.430 (1.193, 1.714)	1.301 (1.059, 1.599)
WPA1	0.600 (0.101, 1.098)	0.730 (0.500, 1.066)	0.688 (0.496, 0.953)
apoE	1.420 (1.107, 1.733)	1.427 (1.140, 1.786)	1.214 (0.950, 1.550)