Table 1.
Five-year incidence of age-related cataracts in the JPHC study according to gender and PHC area
| Cataract cases | Total | |||
|---|---|---|---|---|
| Men | Women | Men | Women | |
| Cohort I | ||||
| Ninohe PHC | 91 (2.30) | 255 (5.38) | 3,952 | 4,829 |
| Yokote PHC | 103 (2.04) | 276 (4.61) | 5,057 | 5,991 |
| Saku PHC | 83 (1.81) | 151 (3.10) | 4,577 | 4,870 |
| Ishikawa PHC | 72 (2.31) | 101 (2.92) | 3,123 | 3,453 |
| Total | 349 (2.09) | 783 (4.09) | 16,709 | 19,143 |
| Cohort II | ||||
| Mito PHC | 205 (2.75) | 304 (3.80) | 7,467 | 8,007 |
| Kashiwazaki PHC | 35 (2.93) | 63 (4.46) | 1,196 | 1,353 |
| Chuohigashi PHC | 104 (3.80) | 166 (5.06) | 2,736 | 3,279 |
| Kamigoto PHC | 125 (3.65) | 249 (5.38) | 3,424 | 4,625 |
| Miyako PHC | 186 (4.85) | 242 (5.48) | 3,833 | 4,418 |
| Total | 655 (3.51) | 1024 (4.72) | 18,656 | 21,682 |
| Total (Cohort I + Cohort II) | 1004 (2.84) | 1807 (4.43) | 35,365 | 40,825 |
Data are cataract cases/total participants, with the percentages in parentheses
JPHC Japan Public Health Center