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Table 1 Sample summary statistics

From: Effects of low birth weight on time to BCG vaccination in an urban poor settlement in Nairobi, Kenya: an observational cohort study

  N % Median age (IQR) of BCG vaccination
Child’s birth weight (grams)    
 <2000 38 1.1 34 (18–46)
 2000_2499 191 5.3 6 (1–15)
 > = 2500 3,373 93.6 4 (1–10)
Settlement area    
 Korogocho 1,881 52.2 5 (1–11)
 Viwandani 1,721 47.8 4 (1–10)
Mothers level of education    
 Incomplete primary/no education 910 26.4 5 (1–12)
 Completed primary 1,564 45.2 4 (1–10)
 Secondary+ 983 28.4 4 (1–10)
Place of delivery    
 Non health facility 136 3.8 9 (5–16)
 Health facility 3,466 96.2 4 (1–10)
Type of Health Facility    
 Private 2,318 67.1 6 (2–11)
 Public 1,139 32.9 1 (1–7)
Child’s gender    
 Male 1,843 51.2 5 (1–11)
 Female 1,759 48.8 4 (1–10)
Pregnancy intention for the current child    
 Wanted at that time 1,896 54.4 4 (1–10)
 Wanted later 1,220 35 5 (1–11)
 Not at all 368 10.5 5 (1–13)
Ethnic group    
 Kikuyu 1,094 31.6 3 (1–8)
 Luhya 583 16.8 5 (1–12)
 Luo 563 16.2 6 (1–12)
 Kamba 712 20.6 4 (1–11)
 Other 513 14.8 5 (1–12)