P of refractive error (better eye) by gender, state and location at primary screening
| State | Boys | Girls | Total | ||||||
| Children attending (n) n=1 021 715 | n=33 771 | P (95% CI) | Children attending (n) n=1 002 338 | n=37 611 | P (95% CI) | Children attending (n) N=2 024 053 | n=71 382 | P (95% CI) | |
| Kerala | |||||||||
| Rural | 7475 | 444 | 5.94 (5.41 to 6.50) | 5771 | 361 | 6.26 (5.64 to 6.91) | 13 246 | 805 | 6.08 (5.68 to 6.50) |
| Semirural | 84 532 | 4907 | 5.80 (5.65 to 5.96) | 79 725 | 5168 | 6.48 (6.31 to 6.66) | 164 257 | 10 075 | 6.13 (6.02 to 6.25) |
| Semiurban | 41 959 | 2345 | 5.59 (5.37 to 5.81) | 45 325 | 2687 | 5.93 (5.71 to 6.15) | 87 284 | 5032 | 5.77 (5.61 to 5.92) |
| Total | 133 966 | 7696 | 5.74 (5.62 to 5.87) | 130 821 | 8216 | 6.28 (6.15 to 6.41) | 264 787 | 15 912 | 6.01 (5.92 to 6.10) |
| Madhya Pradesh | |||||||||
| Rural | 75 752 | 2278 | 3.01 (2.89 to 3.13) | 67 861 | 2095 | 3.09 (2.96 to 3.22) | 143 613 | 4373 | 3.04 (2.96 to 3.14) |
| Semirural | 49 550 | 1000 | 2.02 (1.90 to 2.15) | 48 967 | 979 | 2.00 (1.88 to 2.13) | 98 517 | 1979 | 2.01 (1.92 to 2.1) |
| Semiurban | 81 375 | 2995 | 3.68 (3.55 to 3.81) | 61 589 | 2422 | 3.93 (3.78 to 4.09) | 142 964 | 5417 | 3.79 (3.69 to 3.89) |
| Total | 206 677 | 6273 | 3.04 (2.96 to 3.11) | 178 417 | 5496 | 3.08 (3.00 to 3.16) | 385 094 | 11 769 | 3.06 (3.0 to 3.11) |
| Maharashtra | |||||||||
| Rural | 82 873 | 1361 | 1.64 (1.56 to 1.73) | 75 245 | 1601 | 2.13 (2.03 to 2.23) | 158 118 | 2962 | 1.87 (1.81 to 1.94) |
| Semirural | 45 811 | 924 | 2.02 (1.89 to 2.15) | 40 940 | 1146 | 2.80 (2.64 to 2.96) | 86 751 | 2070 | 2.39 (2.29 to 2.49) |
| Semiurban | 53 644 | 1419 | 2.65 (2.51 to 2.78) | 48 441 | 1846 | 3.81 (3.64 to 3.99) | 102 085 | 3265 | 3.2 (3.09 to 3.31) |
| Total | 182 328 | 3704 | 2.03 (1.97 to 2.10) | 164 626 | 4593 | 2.79 (2.71 to 2.87) | 346 954 | 8297 | 2.39 (2.34 to 2.44) |
| Tamil Nadu* | |||||||||
| Rural | 73 496 | 2186 | 2.97 (2.85 to 3.10) | 74 792 | 2523 | 3.37 (3.25 to 3.51) | 148 288 | 4709 | 3.18 (3.09 to 3.27) |
| Semirural | 96 228 | 2530 | 2.63 (2.53 to 2.73) | 93 677 | 2933 | 3.13 (3.02 to 3.24) | 189 905 | 5463 | 2.88 (2.80 to 2.95) |
| Semiurban and urban | 159 207 | 9578 | 6.02 (5.90 to 6.13) | 160 405 | 11 766 | 7.34 (7.21 to 7.46) | 319 612 | 21 344 | 6.68 (6.59 to 6.77) |
| Total | 328 931 | 14 294 | 4.35 (4.28 to 4.42) | 328 874 | 17 222 | 5.24 (5.16 to 5.31) | 657 805 | 31 516 | 4.79 (4.74 to 4.84) |
| West Bengal | |||||||||
| Rural | 42 682 | 467 | 1.09 (1.0 to 1.20) | 47 802 | 517 | 1.08 (0.99 to 1.18) | 90 484 | 984 | 1.09 (1.02 to 1.16) |
| Semirural | 68 905 | 401 | 0.58 (0.53 to 0.64) | 84 878 | 571 | 0.67 (0.62 to 0.73) | 153 783 | 972 | 0.63 (0.59 to 0.67) |
| Semiurban | 58 226 | 936 | 1.61 (1.51 to 1.71) | 66 920 | 996 | 1.49 (1.4 to 1.58) | 125 146 | 1932 | 1.54 (1.48 to 1.61) |
| Total | 169 813 | 1804 | 1.06 (1.01 to 1.11) | 199 600 | 2084 | 1.04 (1.0 to 1.09) | 369 413 | 3888 | 1.05 (1.02 to 1.09) |
*Only in the state of Tamil Nadu four schools from urban areas were included.
P, prevalence.