|
Demographic variables
|
Number Testeda
|
Measles seroprevalence (%) (95 % CI)b
|
GMTc (IU/L)d (95 % CI)
|
|---|
|
Age group (years)e
|
7673
| | |
|
18–20
|
1164
|
70.9 (68.3–73.5)
|
560 (520–603)
|
|
21
|
5359
|
78.7 (77.6–79.8)
|
740 (714–767)
|
|
22–24
|
1005
|
85.0 (82.8–87.2)
|
955 (885–1032)
|
|
25–30
|
145
|
92.4 (88.1–96.7)
|
1245 (1036–1498)
|
|
Marital status
|
7576
| | |
|
Unmarried
|
6067
|
78.2 (77.1–79.2)
|
733 (709–758)
|
|
Married
|
1509
|
80.4 (78.4–82.4)
|
776 (727–829)
|
|
Education levele
|
7743
| | |
|
Primary school and less
|
2121
|
79.2 (77.4–80.9)
|
783 (739–830)
|
|
Junior high school
|
2641
|
77.7 (76.1–79.3)
|
706 (672–742)
|
|
High school to diploma
|
2676
|
77.8 (76.2–79.3)
|
712 (677–749)
|
|
Bachelor
|
305
|
86.2 (82.4–90.1)
|
962 (838–1106)
|
|
Residential area
|
6399
| | |
|
Rural
|
3896
|
78.3 (77.0–79.6)
|
745 (707–785)
|
|
Municipal (Urban)
|
2503
|
79.3 (77.8–80.9)
|
739 (709–770)
|
|
Region of residencee
|
7760
| | |
|
North
|
1738
|
71.7 (69.6–73.8)
|
575 (539–613)
|
|
Central
|
2626
|
79.0 (77.5–80.6)
|
732 (696–770)
|
|
Northeast
|
2004
|
79.5 (77.8–81.3)
|
771 (728–817)
|
|
South
|
1392
|
84.3 (82.4–86.2)
|
961 (899–1027)
|
-
aNumber in each demographic characteristic does not add to the total number of study samples because of missing data; bCI, confidence interval; c GMT, geometric mean titer; dIU/L, international unit per liter; e χ2 test statistically significant (Pearson’s chi square, two-sided, p <0.05)
