Table 5 Univariate analysis of the prevalence of infectious corneal diseases
Characteristic | No. of examined participants | Corneal disease | χ2 | Infectious keratitis | χ2 |
|---|---|---|---|---|---|
No. (%, 95% CI) | P | No. (%, 95% CI) | P | ||
Gender | 28.794 | 2.765 | |||
<0.001 | 0.096 | ||||
Male | 12 942 | 65 (0.50, 0.38-0.62) | 14 (0.11, 0.05-0.17) | ||
Female | 13 363 | 146 (1.09, 0.91-1.27) | 25 (0.19, 0.12-0.26) | ||
Age (years) | 3 cases missing | 281.000 | 48.333 | ||
<0.001 | <0.001 | ||||
≤14 | 2029 | 1 (0.05, 0.04-0.06) | 0 | ||
15-59 | 19 196 | 74 (0.39, 0.30-0.48 ) | 12 (0.06, 0.03-0.09) | ||
≥60 | 5077 | 136 (2.68, 2.24-3.12 ) | 27 (0.53, 0.33-0.73) | ||
Education | 11 cases missing | 235.300 | 22.485 | ||
<0.001 | <0.001 | ||||
None | 2486 | 75 (3.02, 2.35-3.69) | 13 (0.52, 0.24-0.80) | ||
Primary | 6388 | 86 (1.35, 1.21-1.49) | 12 (0.19, 0.08-0.30) | ||
High school | 12 230 | 37 (0.30, 0.20-0.40) | 8 (0.07, 0.02-0.12) | ||
College | 3141 | 9 (0.29, 0.10-0.48) | 4 (0.13, 0.01-0.25 ) | ||
Postgraduate | 2049 | 4 (0.20, 0.01-0.39) | 2 (0.10, -0.04-0.24 ) | ||
Area | 62.691 | 3.960 | |||
<0.001 | 0.047 | ||||
Urban area | 11 577 | 36 (0.31, 0.21-0.41) | 11 (0.10, 0.04-016) | ||
Rural area | 14 728 | 175 (1.19,1.01-1.37) | 28 (0.19, 0.12-0.26) |