Table 4. Socio-demographic features of the study participants and their association with E. histolytica infection.
| Variables | No. examined | No. Positive (%) | OR (95% CI) | P value | 
|---|---|---|---|---|
| Occupation | 0.005 | |||
| Government employees | 198 | 17 (8.6) | 1* | |
| Student & pre-school | 398 | 71 (17.8) | 2.31 (1.32, 4.05) | |
| Merchant | 212 | 21 (9.9) | 1.17 (0.60, 2.29) | |
| Daily laborers including Farmer, driver | 231 | 38 (16.5) | 2.10 (1.14, 3.85) | |
| House wife | 221 | 26 (11.8) | 1.42 (0.75, 2.70) | |
| Education | 0.003 | |||
| Illiterate | 346 | 61 (17.6) | 2.18 (1.31, 3.63) | |
| Primary education | 353 | 57 (16.1) | 1.96 (1.17, 3.27) | |
| High School | 304 | 32 (10.5) | 1.20 (0.68, 2.10) | |
| College and above | 257 | 23 (8.9) | 1* | |
| Residence | 0.004 | |||
| Rural | 681 | 111 (16.3) | 1.62 (1.16, 2.27) | |
| Urban | 579 | 62 (10.7) | 1* | |
| Marital status | 0.232 | |||
| Single | 737 | 94 (12.8) | 1* | |
| Married | 523 | 79 (15.1) | 1.23 (0.88, 1.68) | |
| Age groups | <0.001 | |||
| <15 | 327 | 64 (19.6) | 3.06 (1.90, 4.94) | |
| 15–30 | 247 | 39 (15.8) | 2.36 (1.40, 3.97) | |
| 31–45 | 367 | 27 (7.4) | 1* | |
| >45 | 319 | 43 (13.5) | 1.96 (1.18, 3.26) | |
| Sex | 0.060 | |||
| Male | 497 | 57 (11.5) | 1* | |
| Female | 763 | 116 (15.2) | 1.41 (1.00, 1.98) | |
| Income (per day) | 0.336 | |||
| <500 | 637 | 95 (14.9) | 1.43 (0.89, 2.31) | |
| 500–1000 | 413 | 55 (13.3) | 1.23 (0.74, 2.10) | |
| >1000 | 210 | 23 (10.9) | 1* | |
| Household members | 0.061 | |||
| >5 | 331 | 33 (10.0) | 1* | |
| 5–7 | 521 | 81 (15.5) | 1.66 (1.08, 2.56) | |
| Above 7 | 408 | 59 (14.5) | 1.09 (0.76, 1.57) | |
| Seasonal prevalence | <0.001 | |||
| Pre-monsoon (Feb-May) | 373 | 41 (11.0) | 1.29 (0.81, 2.059) | |
| Monsoon (Jun-Sep) | 451 | 94 (20.8) | 2.78 (1.84, 4.13) | |
| Post-monsoon (Oct-Jan) | 436 | 38 (8.7) | 1* |