Risk factors | Prevalence (95% CI) | ORa (95% CI) | ORb (95% CI) |
---|---|---|---|
Sex | |||
Male | 35.4 (29.1 to 42.4) | 1 | 1 |
Female | 32.8 (28.1 to 37.8) | 1.0 (0.7 to 1.3) | 1.1 (0.8 to 1.6) |
Age group | |||
≤ 9 | 42.6 (34.6 to 53.7) | 1 | 1 |
10 to 19 | 35.9 (28.0 to 44.7) | 0.8 (0.5 to 1.3) | 0.7 (0.3 to 1.1) |
20 to 29 | 23.9 (17.0 to 32.5) | 0.5 (0.3 to 0.8) | 0.4 (0.2 to 1.0) |
30 to 39 | 31.1 (23.9 to 39.4) | 0.7 (0.4 to 1.1) | 0.8 (0.4 to 1.2) |
40 to 49 | 36.2 (26.4 to 47.3) | 0.8 (0.4 to 1.3) | 0.8 (0.4 to 1.4) |
50≤ | 25.4 (16.4 to 37.2) | 0.6 (0.3 to 1.1) | 0.5 (0.3 to 1.2) |
Occupation | |||
Housewife | 30.6 (24.1 to 38.0) | 1 | 1 |
Children | 32.4 (24.5 to 41.4) | 1.0 (0.6 to 1.7) | 2.2 (0.5 to 3.8) |
Student | 45.8 (36.0 to 56.1) | 1.4 (0.9 to 2.1) | 1.1 (0.5 to 2.1) |
Farmer | 32.3 (24.6 to 41.0) | 1.1 (0.7 to 1.7) | 1.0 (0.5 to 1.7) |
Employed | 20.3 (12.0 to 32.1) | 0.6 (0.3 to 1.1) | 0.6 (0.3 to 1.3) |
Unemployed | 47.0 (26.2 to 68.8) | 1.4 (0.6 to 3.1) | 1.3 (0.5 to 3.5) |
Others | 27.6 (17.7 to 40.5) | 0.8 (0.4 to 1.4) | 0.6 (0.3 to 1.2) |
Education level | |||
High school | 29.7 (22.2 to 38.4) | 1 | 1 |
Children under 6-yr | 38.5 (29.3 to 48.6) | 0.7 (0.4 to 1.1) | 0.1 (0.1 to 0.6) |
Elementary school | 35.1 (29.0 to 41.7) | 0.9 (0.6 to 1.3) | 0.7 (0.5 to 1.1) |
University | 22.0 (12.3 to 36.1) | 0.4 (0.2 to 0.9) | 0.5 (0.2 to 1.2) |
Illiterate | 33.0 (25.6 to 41.2) | 0.8 (0.5 to 1.3) | 0.7 (0.4 to 1.2) |
Source of drinking water | |||
Tap water | 31.6 (26.4 to 37.3) | 1 | 1 |
Spring or well water | 38.4 (32.6 to 44.6) | 1.3 (1.0 to 1.8) | 1.3 (1.0 to 1.8) * |
Animal close contact | |||
No | 32.7 (27.6 to 38.2) | 1 | 1 |
Yes | 34.9 (29.4 to 40.9) | 1.1 (0.8 to 1.4) | 1.0 (0.7 to 1.3) |
Residency status | |||
Rural | 34.8 (30.5 to 39.3) | 1 | 1 |
Urban | 28.6 (20.0 to 39.0) | 0.6 (0.3 to 0.9) | 0.4 (0.2 to 0.7) * |