Table 4

Results of multiple logistic regressions (final models) for specific cataract types (nuclear, cortical and posterior subcapsular cataract), any cataract and cataract surgery in Chinese Singaporeans

Nuclear cataractCortical cataractPSC cataractAny cataractCataract surgery
OR (95% CI)p ValueOR (95% CI)p ValueOR (95% CI)p ValueOR (95% CI)p ValueOR (95% CI)p Value
*Diabetes: yes, on oral and/or insulin treatment versus no diabetes.
†Occupation: Production or machine workers, and labourers or agricultural workers, versus managers and professionals.
–No significant association, and not included in the model.
Age (per 10 years)5.8 (4.7 to 7.2)0.0013.4 (2.9 to 4.0)0.0012.8 (2.2 to 3.6)0.0016.4 (5.1 to 8.0)0.0013.9 (2.9 to 5.0)0.001
Sex, men1.0 (0.6 to 1.5)0.831.1 (0.7 to 1.6)0.710.9 (0.6 to 1.4)0.770.8 (0.5 to 1.1)0.130.8 (0.6 to 1.2)0.33
Diabetes*
    Yes, on treatment3.1 (1.6 to 6.1)0.0012.2 (1.2 to 4.1)0.012.0 (0.9 to 4.5)0.082.3 (1.3 to 4.1)0.006
Current smoking
    Yes, >10 cigarettes/day1.7 (1.0 to 2.9)0.05
Body mass index
    1st v 5th quintile1.8 (1.1 to 2.9)0.032.3 (1.3 to 4.0)0.004
Occupation†
    Production workers2.9 (1.5 to 5.8)0.0021.8 (1.0 to 3.3)0.042.7 (1.4 to 5.2)0.002
    Labourers2.6 (1.2 to 5.5)0.011.5 (0.8 to 2.9)0.172.1 (1.0 to 4.1)0.04
Household income
    <$2000 v >$40004.7 (1.1 to 20)0.03