Table 2.
Characteristics associated with measles in children aged 0–7 months stratified by geographic area, matched case–control study–China, 2012–2013.
| Variable description | East |
Central/west |
Total |
|||
|---|---|---|---|---|---|---|
| Number of matched setsa | mOR (95%CI) | Number of matched sets | mOR (95%CI) | Number of matched sets | mOR (95% CI) | |
| Demographic variables | ||||||
| Sex (male:female) | 360 | 1.7(1.3,2.3) | 470 | 1.6(1.3,2.0) | 830 | 1.7 (1.4, 2.0) |
| Age group (5–7 months:0–4 months) | 360 | 4.1(3.0,5.8) | 470 | 3.6(2.8,4.7) | 830 | 3.8 (3.1, 4.7) |
| Vaccination card (yes:no) | 360 | 0.8(0.2,2.6) | 469 | 1.6(0.7,3.7) | 829 | 1.3 (0.6, 2.6) |
| Received all eligible doses (no:yes) | 335 | 4.3(3.2,5.9) | 387 | 4.9(3.6,6.7) | 722 | 4.6 (3.7, 5.7) |
| Mother’s education | 355 | 464 | 819 | |||
| ≤Primary:college+ | 2.0(1.0,4.0) | 1.4(0.7,2.6) | 1.7 (1.1, 2.7) | |||
| Middle:college+ | 1.8(1.1,2.9) | 1.2(0.7,2.2) | 1.6 (1.1, 2.3) | |||
| Father’s education | 356 | 465 | 821 | |||
| ≤Primary:college+ | 2.0(0.9,4.2) | 1.7(0.9,3.1) | 1.7 (1.1, 2.7) | |||
| Middle:college+ | 1.2(0.8,1.8) | 1.2(0.7,2.1) | 1.2(0.9, 1.7) | |||
| Type of house | 359 | 465 | 824 | |||
| Multistory:single story | 1.5(0.9,2.4) | 1.0(0.7,1.5) | 1.1 (0.8, 1.5) | |||
| Other:single story | 9.7(2.4,38.4) | 1.0(0.4,2.4) | 2.0 (1.0, 4.0) | |||
| Any siblings (yes:no) | 358 | 1.0(0.8,1.4) | 469 | 1.1(0.9,1.4) | 827 | 1.1 (0.9, 1.3) |
| Care taker (parents:other) | 358 | 1.6(1.0,2.4) | 468 | 1.1(0.7,1.7) | 826 | 1.3 (1.0, 1.8) |
| Migration history | ||||||
| History of migration in child (yes:no) | 360 | 2.5(1.6,4.0) | 463 | 3.5(2.0,6.1) | 823 | 2.9 (2.0, 4.1) |
| Family migration between provinces (yes:no) | 359 | 1.9(1.2,3.0) | 469 | 0.7(0.3,1.4) | 828 | 1.4 (0.9, 2.0) |
| Family migration between prefectures (yes:no) | 359 | 2.3(1.5,3.5) | 469 | 1.3(0.8,2.2) | 828 | 1.8 (1.3, 2.6) |
| Family migration between counties (yes:no) | 359 | 2.5(1.6,3.8) | 469 | 1.5(0.9,2.4) | 828 | 2.0 (1.5, 2.7) |
| Hospital exposure (non-vaccination visit) | ||||||
| Hospital visit in last 8–21 days (yes:no) | 57 | 16.6(10.9, 25.1) | 465 | 21.3(13.8, 32.8) | 822 | 18.8 (13.9, 25.3) |
| Type of visit in last 8–21 days | ||||||
| Outpatient visit: no Visit | 357 | 10.7(6.8, 16.8) | 465 | 8.6(5.4, 13.9) | 822 | 9.7 (6.9, 13.4) |
| Inpatient visit: no visit | 357 | 52.8(20.9, 134) | 465 | 207 (50.7, 848) | 822 | 97.7 (45.4, 210) |
Abbreviations: CI, confidence interval; mOR, matched odds ratio.
a
Matched sets is the number of cases with at least one matched control.