Associations of referral uptake with sociodemographic and clinical characteristics based on multiple logistic regression analysis (n=731)
| OR (95 % CI)*† | P value | |
| Age group (years) | ||
| 60–69 | Reference | |
| 70–79 | 1.07 (0.71 to 1.62) | 0.739 |
| 80 and above | 0.6 (0.39 to 0.93) | 0.023 |
| Gender | ||
| Male | Reference | |
| Female | 0.70 (0.49 to 1.00) | 0.051 |
| Education level | ||
| Higher education | Reference | |
| School education | 0.70 (0.44 to 1.14) | 0.155 |
| No education | 0.84 (0.47 to 1.50) | 0.555 |
| Home type | ||
| Private | Reference | |
| Aided/partially subsidised | 2.24 (1.55 to 3.23) | <0.01 |
| Free | 3.53 (2.15 to 5.79) | <0.01 |
| Mobility score | ||
| Immobile/bedridden | Reference | |
| Mobile with support | 3.65 (1.96 to 6.80) | <0.01 |
| Independently mobile | 5.74 (3.13 to 10.51) | <0.01 |
| Visual impairment in the eye | ||
| No | Reference | |
| Yes | 0.82 (0.58 to 1.14) | 0.238 |
| Diabetes | ||
| No | Reference | |
| Yes | 1.16 (0.79 to 1.7) | 0.444 |
| Hypertension | ||
| No | Reference | |
| Yes | 1.3 (0.92 to 1.82) | 0.133 |
*Hosmer-Lemeshow test for goodness of fit for the regression model, p=0.64.
†Mean-variance inflation factor for the multiple logistic regression model=1.28.