Research Article
Regular Chinese Green Tea Consumption Is Protective for Diabetic Retinopathy: A Clinic-Based Case-Control Study
Table 4
Multivariate analysis on the associations of regular Chinese green tea consumption and other potential risk factors with diabetic retinopathy.
| ā | ā | Odds ratio | 95% Confidence interval | |
| Regular Chinese green tea consumption | Ever versus never | 0.48 | 0.24, 0.97 | 0.04 | Education | Formal versus no formal education | 1.26 | 0.65, 2.43 | 0.50 | Body mass index | Per unit increase | 1.02 | 0.93, 1.12 | 0.62 | Systolic blood pressure | Per mmHg increase | 1.02 | 1.00, 1.05 | 0.05 | Smoking history | Ever versus never | 0.83 | 0.37, 1.85 | 0.64 | Alcohol drinking | Ever versus never | 1.29 | 0.52, 3.21 | 0.59 | Duration of diabetes | Per year increase | 1.07 | 1.01, 1.14 | 0.02 | Insulin therapy | Ever versus never | 0.73 | 0.33, 1.62 | 0.44 | Family history of diabetes | Present versus absent | 2.35 | 1.03, 5.35 | 0.04 | Physical activity | Often versus rare | 0.85 | 0.45, 1.62 | 0.64 | Fasting blood glucose | Per mmol/L increase | 0.93 | 0.80, 1.07 | 0.29 |
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