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. Author manuscript; available in PMC: 2011 Mar 28.
Published in final edited form as: Ophthalmic Epidemiol. 2009 Mar–Apr;16(2):98–106. doi: 10.1080/09286580902737532

Table 5.

Simplified model for the hazard of cataract types after equating comparable effects; 20,599 participants in the Physicians’ Health Study, 1982–1995

Cataract Type
Nuclear Sclerotic (1,726 events) Cortical (734 events) Posterior Subcapsular (794 events)
HR (95% CI) HR (95% CI) HR (95% CI)
BMI, per 1 kg/m2 1.03 (1.01–1.05) 1.00 (0.97–1.03) 1.06 (1.03–1.08)
Multivitamin use 0.87 (0.78–0.98) 0.87 (0.78–0.98) 0.87 (0.78–0.98)
Family history of MI 1.14 (0.98–1.32) 1.14 (0.98–1.32) 1.14 (0.98–1.32)
Diabetes mellitus 1.23 (0.96–1.57) 1.65 (1.19–2.29) 1.77 (1.29–2.41)
Smoke < 1 pack/day 1.42 (1.11–1.81) 1.42 (1.11–1.81) 1.42 (1.11–2.81)
Smoke ≥ 1 pack/day 1.56 (1.29–1.88) 1.56 (1.29–1.88) 1.56 (1.29–1.88)
Former smoker 1.14 (1.03–1.26) 1.14 (1.03–1.26) 1.14 (1.03–1.26)

Note: model also allows for different effects of randomized treatment assignment, treats age as the time scale and stratifies on cataract type