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. 2015 Oct 27;10(10):e0139680. doi: 10.1371/journal.pone.0139680

Table 6. Descriptive characteristics comparing children with and without missed opportunities for MMR vaccine (% unless otherwise noted).

El Salvador Guatemala Honduras Mexico Nicaragua Panama
Yes No p-value Yes No p-value Yes No p-value Yes No p-value Yes No p-value Yes No p-value
Sample size (N) 644 1596 394 2889 300 1738 2727 1621 216 1077 450 901
Child characteristics Female 51.9 49.4 0.298 52.8 50 0.295 53.7 49.9 0.233 51.3 50.1 0.443 54.6 47.7 0.064 51.8 50.4 0.630
Age in years 0 years n/a n/a n/a n/a n/a n/a
1 year 19.1 18.4 <0.001 *** 9.4 26.6 <0.001 *** 6.7 27.3 <0.001 *** 20.2 28.5 <0.001 *** 13.4 28.3 <0.001 *** 23.8 26.7 0.002 **
2 years 26.1 31.6 26.4 28.7 26 27.5 23.9 24.8 19 28.2 20.7 26.6
3 years 20.8 29.4 30.5 25.3 30.3 24.6 28.8 24.9 29.2 23.5 27.1 26.9
4 years 34 20.7 33.8 19.4 37 20.6 27 21.8 38.4 20 28.4 19.8
Maternal characteristics Attained education No education 12.1 11.4 0.499 43.7 35.6 0.011 * 11.2 8.2 0.189 18.2 15.9 0.008 ** 20.7 10.4 <0.001 *** 15.4 14.1 0.826
Primary education 54.3 57 46.2 51.6 72.3 72.5 54.1 52.2 50.8 52 57.1 57.5
Secondary education or higher 33.6 31.6 10.1 12.8 16.5 19.3 27.6 31.9 28.5 37.6 27.5 28.4
Literacy Illiterate 25.6 23.7 0.334 69.9 64.6 0.055 38.1 37.6 0.867 47.6 41 <0.001 *** 39.4 26.7 <0.001 *** 40 37 0.326
Literate 74.4 76.3 30.1 35.4 61.9 62.4 52.4 59 60.6 73.3 60 63
Age in years Age 15–19 6.8 7.6 0.083 6.7 7.1 0.968 5.6 7 0.699 5.7 6.8 0.037 * 8.8 9.4 0.298 8.9 8.9 0.493
Age 20–34 66.9 70.5 70.6 70.1 73.4 71.9 72.1 74.2 66.8 71.2 68.4 65.3
Age 35–49 26.2 21.9 22.7 22.8 21 21.1 22.1 19.1 24.4 19.4 22.7 25.9
Parity 1 child 28.8 27 0.311 15.1 18.2 0.108 18.6 24.9 0.132 13.5 15.9 0.100 29.3 30.3 0.533 10.9 10.6 0.296
2–3 children 40 42.5 38.7 39.2 46.8 41.9 43.4 43.9 40.8 44.3 45.5 40.8
4–5 children 14.8 16.4 27.5 22.1 20.5 18.4 23.4 21.4 19.9 15.7 26.1 26.6
6 + children 16.4 14.1 18.8 20.5 14.1 14.8 19.7 18.7 9.9 9.7 17.6 21.9
Marital status Single 11 13.8 0.050 5.6 6.5 0.272 13.9 14.6 0.484 1.5 1.4 0.456 18.7 15.1 0.473 8.6 7.9 0.809
Married 41.3 35.5 39.2 38.4 31.5 34.7 34.5 36.8 33.2 34.1 8.9 7.9
Union 37.7 40 48.7 50.8 52.1 47.2 58.1 56.5 45.1 45.9 73.9 76.5
Divorced, separated, widowed, other 10 10.8 6.4 4.3 2.6 3.5 5.9 5.3 3.1 4.9 8.6 7.7
Employment status Employed and working 10.8 9.6 0.235 2.5 3.2 0.758 7.1 9.1 0.387 5.2 4.9 0.903 13 14.3 0.871 6.1 5.7 0.773
Homemaker 87.7 87.7 94.9 94.6 89.5 88.6 93.5 93.9 84.5 83.4 91.1 92.1
Employed but not working, student, retired, disabled 1.6 2.6 2.5 2.2 3.4 2.4 1.3 1.3 2.6 2.3 2.9 2.2
Household characteristics Expenditure quintile Quintile 1 21 19.8 0.717 21 19.5 0.786 19.7 21.9 0.121 23.2 22.3 0.608 23.6 20.7 0.516 16 21.2 0.060
Quintile 2 21.1 22.1 19 19.9 21 20.6 22.9 21.5 20.4 22.4 18.4 19.5
Quintile 3 20.7 18.6 19.7 20.7 25 18.8 20 20.8 17.1 20.8 21.3 17.2
Quintile 4 18.8 19.7 17.7 19.3 17 20.4 18.7 18.9 19.4 19.6 23.3 19.9
Quintile 5 18.5 19.7 22.6 20.7 17.3 18.3 15.2 16.6 19.4 16.5 20.9 22.2
Average asset index 0.37 0.37 0.973 0.22 0.23 0.781 0.24 0.24 0.127 0.23 0.24 0.050 0.23 0.24 0.154 0.17 0.18 0.022 *
Average household size (N) 3.12 3.04 0.086 7.1 6.54 0.002 ** 5.71 5.7 0.374 6.01 5.96 0.329 5.97 5.7 0.075 9.26 9.14 0.451
Urbanicity Rural household 74.1 72.8 0.542 86.7 88.1 0.413 85.7 84.3 0.547 69.3 64.1 <0.001 *** 68.5 70.2 0.616 100 100 N/A
Urban household 25.9 27.2 13.3 11.9 14.3 15.7 30.7 35.9 31.5 29.8 0 0
Female head of household 0.25 0.26 0.635 0.14 0.13 0.358 0.17 0.18 0.655 0.07 0.08 0.623 0.3 0.24 0.095 0.24 0.28 0.168

† N varies by variable due to missing values.

* p<0.05

** p<0.01

*** p<0.001