Table IV.
Socio-demographic risk factors associated with IgG positivity
| Socio-demographic characteristics | IgG positive | IgG negative | Crude odds ratio (95% CI) | Adjusted odds ratio (95% CI) |
|---|---|---|---|---|
| Age (yr) | (n=157) | (n=27,768) | ||
| 18-45 | 68 (43.3) | 13,484 (48.6) | 1.00 | |
| 46-60 | 62 (39.5) | 9,463 (34.1) | 1.30 (0.92-1.84) | |
| >60 | 27 (17.2) | 4,821 (17.3) | 1.11 (0.71-1.74) | |
| Sex | (n=157) | (n=27,774) | ||
| Male | 91 (58.0) | 13,423 (48.3) | 1.47 (1.07-2.02) | |
| Female | 66 (42.0) | 14,324 (51.6) | 1.00 | |
| Others | - | 27 (0.1) | - | |
| Area of residence | (n=157) | (n=27,843) | ||
| Urban slum | 25 (15.9) | 2,496 (9.0) | 1.90 (1.23-2.94) | |
| Urban non-slum | 23 (14.6) | 4,694 (16.9) | 0.93 (0.59-1.46) | |
| Rural (village) | 109 (69.4) | 20,653 (74.1) | 1.00 | |
| Occupation with higher risk of exposure to potentially infected persons | (n=155) | (n=27,668) | ||
| Yes | 41 (26.5) | 5,185 (18.7) | 1.56 (1.09-2.23) | 1.39 (0.96-2.02)* |
| No | 114 (73.5) | 22,483 (81.3) | 1.00 |
Values shown as n (%). *Adjusted for age, sex, area of residence