Table 3 Univariate and multivariate analysis of visual impairment and correctable visual impairment for a 6/12 cutoff
From: Visual impairment and spectacle coverage rate in Baoshan district, China: population-based study
Characteristic | No VI | VI | Correctable VI | ||||
|---|---|---|---|---|---|---|---|
| Â | n | n | Univariate odds ratio (95% CI) | Multivariate odds ratio (95% CI) | n | Univariate odds ratio (95% CI) | Multivariate odds ratio (95% CI) |
Age,y | Â | Â | Â | Â | Â | Â | Â |
60-69 | 2523 | 370 | 1.00(reference) | 1.00(reference) | 274 | 1.00(reference) | 1.00(reference) |
70-79 | 777 | 319 | 2.80***(2.36-3.32) | 2.62***(2.19-3.13) | 196 | 2.32***(1.90-2.84) | 2.24***(1.82-2.76) |
80~ | 233 | 284 | 8.31***(6.77-10.20) | 7.48***(6.00-9.33) | 129 | 5.10***(3.98-6.54) | 4.80***(3.69-6.26) |
Gender | Â | Â | Â | Â | Â | Â | Â |
Male | 1574 | 319 | 1.00(reference) | 1.00(reference) | 207 | 1.00(reference) | 1.00(reference) |
Female | 1959 | 654 | 1.65***(1.42-1.91) | 1.67***(1.42-1.97) | 392 | 1.52***(1.27-1.82) | 1.56***(1.29-1.88) |
Type of insurance | Â | Â | Â | Â | Â | Â | Â |
No insurance | 16 | 4 | 1.00(reference) | 1.00(reference) | 3 | 1.00(reference) | 1.00(reference) |
Urban insurance | 1749 | 503 | 1.15(0.38-3.46) | 1.24(0.38-4.06) | 306 | 0.93(0.27-3.22) | 1.02(0.28-3.72) |
Others | 1768 | 466 | 1.05(0.35-3.17) | 1.02(0.31-3.34) | 290 | 0.88(0.25-3.02) | 0.88(0.24-3.21) |
Occupation | Â | Â | Â | Â | Â | Â | Â |
Peasant | 973 | 245 | 0.89(0.75-1.04) | 0.73***(0.60-0.89) | 156 | 0.93(0.76-1.13) | 0.80(0.64-1.01) |
Non-peasant | 2560 | 728 | 1.00(reference) | 1.00(reference) | 443 | 1.00(reference) | 1.00(reference) |
Level of education | Â | Â | Â | Â | Â | Â | Â |
Illiteracy | 417 | 253 | 1.00(reference) | 1.00(reference) | 128 | 1.00(reference) | 1.00(reference) |
Primary school | 1825 | 480 | 0.43***(0.36-0.52) | 0.74**(0.60-0.93) | 304 | 0.54***(0.43-0.69) | 0.81(0.62-1.06) |
Secondary school or higher | 1291 | 240 | 0.31***(0.25-0.38) | 0.55***(0.42-0.71) | 167 | 0.42***(0.33-0.54) | 0.65**(0.48-0.89) |