Table 4. Unadjusted (univariate analysis) and adjusted odds ratio (multivariate analysis) and 95% CI for seroprevalence of measles by demographic characteristics in the general population.
Classification | Seropositive (n/N, %) | 95% CI (%) | Unadjusted OR (95%CI) | Adjusted OR (95%CI) |
---|---|---|---|---|
Genderd | ||||
Malea | 869/952 (91.3) | 89.5, 93.1 | 1.00 | |
Female | 961/1008 (95.3) | 94.0, 96.6 | 1.95 (1.35, 2.83) | 2.18 (1.49, 3.19) |
Residential status | ||||
Local residentsa | 889/954 (93.2) | 91.6, 94.8 | 1.00 | |
Immigrants | 941/1006 (93.5) | 92.0, 95.0 | 1.06 (0.74, 1.51) | |
Occupation | ||||
Childrena | 222/230 (96.5) | 94.1, 98.9 | 1.00 | |
Student | 378/409 (92.4) | 89.8, 95.0 | 0.44 (0.20, 0.97) | |
Farmer | 194/202 (96.0) | 93.3, 98.7 | 0.87 (0.32, 2.37) | |
Worker | 557/599 (93.0) | 91.0, 95.0 | 0.48 (0.22, 1.03) | |
Other | 479/520 (92.0) | 89.7, 94.3 | 0.42 (0.19, 0.91) | |
Education status | ||||
Primary school or belowa | 679/704 (96.4) | 94.3, 98.8 | 1.00 | |
High school | 949/1033 (91.9) | 90.2, 93.6 | 0.42 (0.26, 0.66) | |
College or graduate school | 202/223 (90.6) | 86.8, 94.4 | 0.35 (0.19, 0.65) | |
Marital status | ||||
Unmarried | 722/780 (92.6) | 90.8, 94.4 | 0.78 (0.10, 5.97) | |
Married | 1092/1163 (93.9) | 92.5, 95.3 | 0.96 (0.13, 7.35) | |
Othera | 16/17 (94.1) | 71.0, 100.0 | 1.00 | |
Measles vaccination | ||||
Vaccined | 435/454 (95.8) | 94.0, 97.6 | 1.82 (1.11, 3.00) | |
No-vaccine or uncleara | 1395/1506 (92.6) | 91.3, 93.9 | 1.00 | |
Age groups (year[s])d | ||||
<1 | 23/27 (85.2) | 66.0, 96.0 | 0.14 (0.04, 0.49) | 0.11 (0.03,0.40) |
1–4 | 146/148 (98.6) | 96.7,100.0 | 1.83 (0.40, 8.43) | |
5–9 | 152/156 (97.4) | 96.2, 100.0 | 0.95 (0.29, 3.08) | |
10–14 | 159/171 (93.0) | 89.2, 96.8 | 0.33 (0. 14, 0.78) b | 0.22 (0.07, 0.68) |
15–19 | 118/133 (88.7) | 83.3, 94.1 | 0.20 (0.09, 0.45) | 0.20 (0.09, 0.47) |
20–29 | 330/385 (85.7) | 82.2, 89.2 | 0.15 (0.08, 0.30) | 0.15 (0.07, 0.31) |
30–39 | 502/530 (94.7) | 92.8, 96.6 | 0.45 (0.22, 0.93)c | |
≥40a | 400/410 (97.6) | 96.1, 99.1 | 1.00 | 1.00 |
a Reference category; bχ2 = 6.943,P = 0.008; cχ2 = 4.820,P = 0.028; dVIF = 1.004.