Table 2 Characteristics of study participants, Nairobi informal settlements, Kenya

Sex

   Girls

50.5

   Boys

49.6

Mother's age

   < 25 years

53.6

   25-34 years

32.5

   35+ years

6.4

   Missing

7.5

Mother's Marital Status

   In union currently

83.3

   Ever in union

7.2

   Never in union

9.2

   Missing

0.3

Mother's ethnicity

   Kikuyu

24.1

   Luhya

16.0

   Luo

18.0

   Kamba

18.8

   Other

15.7

   Missing

7.5

Mother's education level

   < Secondary

70.7

   Secondary+

21.9

   Missing

7.5

Mother's Parity

   One (ref)

33.0

   Two

27.8

   Three+

39.0

   Missing

0.3

Pregnancy desirability*

   Wanted at conception

49.8

   Wanted later

37.2

   Never wanted

12.4

   Missing

0.5

Delivery place*

   Health Facility

71.4

   Home

28.3

   Missing

0.3

Perceived size at birth*

   Normal

69.5

   Smaller

14.2

   Larger

15.6

   Missing

0.7

SES (Expenditure) Category

   Poorest

55.0

   Middle

29.0

   Least Poor

7.3

   Missing

8.6

Slum of residence

   Korogocho

52

   Viwandani

48