Table 2 Prevalence rates of undercorrected refractive error
With glasses n (%) | Without glasses n (%) | Total n (%) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
N | n | Prevalence Rate % (95% CI) | P | N | n | Prevalence Rate % (95% CI) | P | N | n | Prevalence Rate % (95% CI) | P | |
All (y) | 0.044 | <0.001 | <0.001 | |||||||||
60–69 | 82 | 10 | 12.20 (5.11–19.28) | 320 | 27 | 8.44 (5.39–11.48) | 402 | 37 | 9.20 (6.38–12.03) | |||
70–79 | 27 | 5 | 18.52 (3.87–33.17) | 0.408 | 144 | 32 | 22.22 (15.43–29.01) | <0.001 | 171 | 37 | 21.64 (15.47–27.81) | <0.001 |
80~ | 15 | 5 | 33.33 (9.48–57.19) | 0.037 | 61 | 20 | 32.79 (21.01–44.57) | <0.001 | 76 | 25 | 32.89 (23.54–44.88) | <0.001 |
Total | 124 | 20 | 16.13 (9.66–22.60) | 525 | 79 | 15.05 (11.99–18.11) | 649 | 99 | 15.25 (12.49–18.02) | |||
Men (y) | 0.054 | 0.011 | 0.001 | |||||||||
60–69 | 40 | 3 | 7.50 (−0.66–15.66) | 128 | 8 | 6.25 (2.06–10.44) | 168 | 11 | 6.55 (2.81–10.29) | |||
70–79 | 18 | 2 | 11.11 (−3.41–25.63) | 0.650 | 50 | 11 | 22.00 (10.52–33.48) | 0.002 | 68 | 13 | 19.12 (9.77–28.46) | 0.004 |
80~ | 9 | 3 | 33.33 (2.53–64.13) | 0.030 | 18 | 3 | 16.67 (−0.55–33.88) | 0.140 | 27 | 6 | 22.22 (6.54–37.90) | 0.007 |
Subtotal | 67 | 8 | 11.94 (4.18–19.70) | 196 | 22 | 11.22 (6.81–15.64) | 263 | 30 | 11.41 (7.56–15.25) | |||
Women (y) | 0.212 | <0.001 | <0.001 | |||||||||
60–69 | 42 | 7 | 16.67 (5.40–27.94) | 192 | 19 | 9.90 (5.67–14.12) | 234 | 26 | 11.11 (7.08–15.14) | |||
70–79 | 9 | 3 | 33.33 (2.53–64.13) | 0.253 | 94 | 21 | 22.34 (13.92–30.76) | 0.004 | 103 | 24 | 23.30 (15.14–31.47) | 0.004 |
80~ | 6 | 2 | 33.33 (−4.39–71.05) | 0.328 | 43 | 17 | 39.53 (24.92–54.15) | <0.001 | 49 | 19 | 38.78 (25.13–52.42) | <0.001 |
Subtotal | 57 | 12 | 21.05 (10.47–31.64) | 329 | 57 | 17.33 (13.24–21.41) | 386 | 69 | 17.88 (14.05–21.70) | |||
P(sex) | 0.171 | 0.059 | 0.025 | |||||||||