Variables | Number examined | Rate of IPIs (%) | COR (95%CI) | p-value | AOR (95%CI) | p-value |
---|---|---|---|---|---|---|
Age | ||||||
16–25 | 28 | 2 (0.9) | ||||
26–35 | 75 | 14 (6.5) | 0.335 (0.071–1.581) | 0.167 | 0.012 (0.001–0.168) | 0.061 |
36–45 | 80 | 17 (7.9) | 0.285 (0.061–1.323) | 0.109 | 0.357 (0.107–1.188) | 0.093 |
≥ 46 | 32 | 9 (4.2) | 0.197 (0.038–1.005) | 0.051 | 0.431 (0.144–1.285) | 0.131 |
Sex | ||||||
Male | 122 | 27 (12.6) | 0.677 (0.336–1.361) | 0.273 | ||
Female | 93 | 15 (6.9) | ||||
Marital status | ||||||
Single | 70 | 17 (7.9) | ||||
Married | 145 | 25 (11.6) | 1.540 (0.768–3.087) | 0.224 | 2.101 (0.987–4.471) | 0.054 |
Educational status | ||||||
Un able to read and write | 42 | 11 (5.1) | 0.626 (0.270–1.453) | 0.276 | ||
Primary | 63 | 11 (5.1) | 1.051 (0.467–2.364) | 0.905 | ||
Secondary and above | 110 | 20 (9.3) | ||||
Occupation | ||||||
Governm’t | 58 | 8 (3.7) | 1.389 (0.504–3.825) | 0.525 | ||
Merchant | 56 | 11 (5.1) | 0.909 (0.351–2.353) | 0.844 | ||
Farmer and labor | 26 | 10 (4.7) | 0.356 (0.125–1.012) | 0.053 | 3.695 (1.082–12.618) | 0.037 |
Student | 20 | 3 (1.4) | 1.259 (0.309–5.136) | 0.748 | ||
Housewife | 55 | 10 (4.7) | ||||
Residence | ||||||
Urban | 181 | 33 (15.3) | ||||
Rural | 34 | 9 (4.2) | 0.619 (0.265–1.449) | 0.269 | ||
Food source | ||||||
At home | 185 | 36 (16.7) | 1.035 (0.394–2.718) | 0.945 | ||
From hotel | 30 | 6 (2.8) | ||||
Habit of eating raw vegetables | ||||||
Yes | 175 | 34 (15.8) | 1.037 (0.439–2.451) | 0.934 | ||
No | 40 | 8 (3.7) | ||||
Water source | ||||||
Pipe water | 211 | 40 (18.6) | ||||
River/other | 4 | 2 (0.9) | 0.234 (0.032–1.711) | 0.152 | 0.173 (0.018–1.645) | 0.127 |
Swimming habit | ||||||
Yes | 37 | 7 (3.3) | 1.049 (0.426–2.585) | 0.917 | ||
No | 178 | 35 (16.3) | ||||
Domestic animal at home | ||||||
Yes | 80 | 22 (10.2) | 2.181 (1.102–4.317) | 0.025 | 2.857 (1.290–6.330) | 0.010 |
No | 135 | 20 (9.3) | ||||
Washing hands after toilet | ||||||
Yes | 180 | 33 (15.3) | ||||
No | 35 | 9 (4.2) | 1.542 (0.661–3.596) | 0.316 | ||
Abdominal pain | ||||||
Yes | 62 | 19 (8.8) | 2.497 (1.242–5.022) | 0.010 | 3.716 (1.632–8.459) | 0.002 |
No | 153 | 23 (10.7) |