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Table 2 Socio-demographic characteristics of the study participants (n = 949)

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

Demographics Mean ± SD/frequency (%)  
Age of children, Mean ± SD; Range 10.8 ± 1.7, 7–17 years  
Sex N (%); Female, Male 542 (57.1); 407 (42.9)  
BMI N (%)   
Normal 742 (78.2)  
Severe underweight 20 (2.1)  
Underweight 156 (16.4)  
Overweight 23 (2.4)  
Obese 8 (0.8)  
Age of the parents Mother Father
 Mean ± SD 36 ± 6.6 42 ± 9.3
 Range 22–54 years 23–76 years
Parents’ education level N (%) Mother Father
 No formal education 28 (3) 12 (1.3)
 Primary education 461 (48.6) 327 (34.5)
 Secondary education 298(31.4) 336 (35.4)
 Above secondary education 140 (14.8) 198 (20.9)
Parents’ occupation N (%) Mother Father
 None 224 (23.6) 37 (3.9)
 Rural Farmer 23 (2.4) 50 (5.3)
 Small scale business 517 (54.5) 417 (43.9)
 Large scale business 43 (4.5) 114 (12)
 Employed 127 (13.4) 264 (27.8)
People living in one house N (%) > 6 people < 6people
  315 (33.2) 595 (62.7)
People sharing bedroom with the child N (%) > 2 < 2
  206 (21.7) 692 (72.9)