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Table 2 Risk factors for adult HFMD (single-factor analysis)

From: Clinical and epidemiological characteristics of adult hand, foot, and mouth disease in northern Zhejiang, China, May 2008 – November 2013

Epidemiological characters Adult HFMD patients Adult fever clinic patients χ2 P value OR (95% CI)
Gender    0.37 0.54 -
  Male 20 23    
  Female 29 26    
Residence    0.40 0.53 -
  Urban 33 30    
  Rural 16 19    
Occupation    - 0.51 -
  Medical staff 5 4    
  Civil servant 6 5    
  Teacher 8 5    
  Student 2 7    
  Farmer 6 10    
  Labor worker 14 13    
  House-hold 8 5    
Education    0.38 0.54 -
  High school or below 31 28    
  College 18 21    
Family size    7.33 <0.01 4.27 (1.42 ~ 12.83)
  ≥4 persons 16 5    
  <4 persons 33 44    
per capita living space    3.86 0.05 3.26 (0.96 ~ 11.07)
  <10 square meter/person 11 4    
  ≥10 square meter/person 38 45    
Having separate toilet at home    0.71 0.40 -
  Yes 45 47    
  No 4 2    
Having children under 5-years-old    30.21 <0.01 12.81 (4.81 ~ 34.10)
  Yes 35 8    
  No 14 41    
Having children diagnosed as HFMD    20.35 <0.01 30.4 (3.87 ~ 238.99)
  Yes 19 1    
  No 30 48    
Keep pets    - 0.29 -
  Cat 1 2    
  Dog 5 11    
  Others 1 1    
  No 42 35    
Play mobile games    0.55 0.46 -
  Yes 37 40    
  No 12 9    
Sharing mobile with others    8.61 <0.01 6.13 (1.63 ~ 23.01)
  Yes 14 3    
  No 35 46    
Play mobile more than 1 hour per day    1.34 0.25 -
  Yes 10 15    
  No 39 34