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Table 1 Comparisons of general DCC characteristics between the areas with high and low HFMD case numbers

From: Association of environmental factors and high HFMD occurrence in northern Thailand

Characteristics Areas with high-HFMD incidence Areas with low HFMD incidence χ2 p-value
n (%) n (%)
Total 62 (100.0) 47 (100.0)   
DCC sizes based on number of children
 Small (≤ 50 children) 35 (56.5) 36 (76.6) 7.266 0.026a
 Medium (51–80 children) 17 (27.4) 10 (21.3)   
 Large (> 80 children) 10 (16.1) 1 (2.1)   
At least one hill tribe child
 Yes 35 (56.5) 26 (55.3) 0.014 0.906
 No 27 (43.5) 21 (44.7)   
Location
 Urban 34 (54.8) 29 (61.7) 0.343 0.898
 Rural 28 (45.2) 18 (38.3)   
Ratio of a caregivers to children (persons)
 1: ≤10 27 (43.5) 23 (48.9) 1.787 0.409
 1: 11–20 28 (45.2) 22 (46.8)   
 1: ≥21 7 (11.3) 2 (4.3)   
  1. aSignificance level at α = 0.05