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Table 3 Univariate predictors of subclinical RHD

From: Prevalence and risk factors for Subclinical Rheumatic Heart Disease among primary school children in Dar es Salaam, Tanzania: a community based cross-sectional study

Factor N (%) Chi-square p value
Age    
 > 9 years 31 (4.3) 8.3 0.004
 * ≤ 9 years 1 (0.4)   
Hygiene    
 Poor 22 (4.9) 5.9 0.015
 *Good 10 (2)   
Overcrowding    
 Yes 19 (4.6) 3 0.08
 *No 13 (2.5)   
Mothers education    
 Low 18 (3.9) 0.16 0.69
 *High 14 (3.2)   
Family income    
 Low 20 (4)   
 *Middle 12 (2.9) 1.7 0.19
URTI    
 Recurrent 20 (22) 29.3 0.00
 *Non-recurrent 12 (4.1)   
Nutrition    
 Underweight 8 (4.5) 0.9 0.34
 *Not underweight 24 (3.1)   
  1. *Reference