Characteristics | Seroprevalence of measles IgG titre | |||||||
---|---|---|---|---|---|---|---|---|
N(%) | Positive titrea (95% CI) | Indeterminate and negative titresb (95% CI) | Crude odds ratio (95% CI) | p value | ||||
Total | 1541(100) | 87% | (85–89) | 13% | (11–15) | |||
Age (year) | ||||||||
[6–9] | 298 (19.3) | 90% | (87–94) | 10% | (6–13) | 1.00 | ||
15–24 | 489 (31.7) | 74% | (70–78) | 26% | (22–30) | 0.31 | (0.20 – 0.47) | 0.0001 |
45–54 | 754 (48.9) | 94% | (92–96) | 6% | (4–8) | 1.74 | (1.07 – 2.84) | 0.027 |
Gender | ||||||||
[Male] | 721 (46.8) | 85% | (83–88) | 15% | (12–17) | 1.00 | ||
Female | 820 (53.2) | 88% | (86–91) | 12% | (9–14) | 1.30 | (0.97 – 1.75) | 0.083 |
Ethnicity | ||||||||
[Non-Malay] | 614 (39.8) | 89% | (87–92) | 11% | (8–13) | 1.00 | ||
Malay | 927 (60.2) | 86% | (83–88) | 14% | (12–17) | 0.73 | (0.54–1.00) | 0.050 |
Education Level | ||||||||
[Lower] | 1144 (74.2) | 88% | (87–90) | 12% | (10–13) | 1.00 | ||
Higher | 397 (25.8) | 83% | (79–87) | 17% | (13–21) | 0.65 | (0.47–0.89) | 0.008 |
Household income | ||||||||
[Lower] | 1157 (75.1) | 86% | (84–88) | 14% | (12–16) | 1.00 | ||
Higher | 384 (24.9) | 89% | (86–92) | 11% | (8–14) | 1.29 | (0.90–1.85) | 0.170 |
Place of birth | ||||||||
[Others] | 839 (54.4) | 89% | (87–91) | 11% | (9–13) | 1.00 | ||
Seremban | 702 (45.6) | 85% | (82–88) | 15% | (12–18) | 0.71 | (0.53–0.96) | 0.024 |
Locality of place of birth | ||||||||
[Urban] | 1017 (66.0) | 86% | (84–88) | 14% | (12–16) | 1.00 | ||
Rural | 524 (34.0) | 89% | (86–92) | 11% | (8–14) | 1.30 | (0.94–1.81) | 0.110 |
Locality of health clinics attended | ||||||||
[Urban] | 1258 (81.6) | 87% | (86–89) | 13% | (11–14) | 1.00 | ||
Rural | 283 (18.4) | 86% | (81–90) | 14% | (10–19) | 0.85 | (0.59–1.24) | 0.404 |
Medical problems | ||||||||
[No] | 941 (61.1) | 84% | (81–86) | 16% | (14–19) | 1.00 | ||
Yes | 600 (38.9) | 92% | (90–94) | 8% | (6–10) | 2.22 | (1.57–3.12) | 0.0001 |
Medication history | ||||||||
[No] | 976 (63.3) | 84% | (81–86) | 16% | (14–19) | 1.00 | ||
Yes | 565 (36.7) | 93% | (90–95) | 7% | (5–10) | 2.41 | (1.68–3.43) | 0.0001 |