Factor | Category | No. tested | Prevalence (%) | OR (95%CI) | P-value |
---|---|---|---|---|---|
Region | Central Hunan | 191 | 8.38 | Reference | Reference |
Eastern Hunan | 310 | 13.87 | 1.76 (0.96—3.23) |  > 0.05 | |
Southern Hunan | 206 | 12.14 | 1.51 (0.78—2.93) |  > 0.05 | |
Western Hunan | 312 | 17.63 | 2.34 (1.30—4.22) |  < 0.05 | |
Northern Hunan | 128 | 10.94 | 1.34 (0.63—2.86) |  > 0.05 | |
Gender | Male | 152 | 9.87 | Reference | Reference |
Female | 995 | 13.87 | 1.05 (0.84—2.58) |  > 0.05 | |
Age | 0 < year ≤ 1 | 228 | 15.79 | 2.09 (1.21—3.59) |  < 0.05 |
1 < years ≤ 2 | 539 | 14.47 | 1.88 (1.17—3.02) |  < 0.05 | |
2 < years ≤ 3 | 303 | 8.25 | Reference | Reference | |
Years > 3 | 77 | 18.18 | 2.47 (1.22—5.02) |  < 0.05 |