Table 3: Adjusted1 Odds Ratio for Factors associated with diabetic retinopathy.
| Variables | DR Multivariate value adjusted OR (95% CI) | p value |
| Duration of DM | ||
| <5 yrs | 1.0 | <0.001 |
| 5-10 yrs | 2.5 (1.6 to 3.9) | |
| 11-15 yrs | 3.7 (2.2 to 6.1) | |
| 16-20 yrs | 5.6 (2.5 to 12.3) | |
| >20 yrs | 6.0 (2.8 to 12.9) | |
| BMI | ||
| ≥23.0 | 1.0 | 0.013 |
| <22.9 | 1.8 (1.1 to 2.8) | |
| HT control (mm/Hg) | ||
| Optimal <130/80 | 1.0 | 0.121 |
| Fair 130/80 to 140/90 | 1.1 (0.7 to 1.8) | |
| Sub-optimal >140/90 | 1.6 (1.0 to 2.5) | |
| Visual loss | ||
| Normal 6/6 | 1.0 | 0.009 |
| Mild 6/9 to 6/12 | 1.0 (0.7 to 1.5) | |
| Moderate 6/18 to 6/60 | 2.1 (1.3 to 3.5) |
1Each odds ratio is adjusted for all other variables in the table