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Table 1 Response rates, household characteristics, and child characteristics per school

From: The role of schools in the spread of mumps among unvaccinated children: a retrospective cohort study

School Response
house-holds
(%)
Households
with
secondary
school
pupils1
(%)
Mean number
of children
per household2
(range)
Children
in
study
Mean age3
(SD)
Children living
outside study
village4
(%)
MMR vaccination status5
        Unvaccinated
(%)
MMR1
(%)
MMR2
(%)
A 124 (55) 68 (55) 4,1 (1-12) 504 10,3
(± 5,3)
220 (44) 443 (88) 31 (6) 30 (6)
B 93 (50) 37 (40) 3,7 (1- 9) 344 9,3
(± 5,4)
110 (34) 295 (86) 31 (9) 18 (5)
C 97 (63) 48 (49) 2,8 (1- 7) 272 9,7
(± 4,9)
18 (7) 28 (10) 109 (40) 135 (50)
D 37 (37) 9 (24) 2,0 (1- 4) 71 9,5
(± 4,8)
0 (0) 3 (4) 36 (51) 32 (45)
Total 351 (54) 162 (46) 3,3 (1-12) 1191 9,8
(± 5,2)
348 (29) 769 (65) 207 (17) 215 (18)
  1. 1 Chi square 12.809, df 3, p = 0.005
  2. 2 ANOVA: Welch F = 43.983, df 168.178, p < 0.005
  3. 3ANOVA: F = 2.566, df 3, p = 0.053
  4. 4 Chi-square 1.490 E2, df3, p < 0.005
  5. 5Chi-square 6.578 E2, df6, p < 0.005