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Table 3 A comparison of the proportion of stunted children among males and females in each of the asset index quintile from 1st(poorest) to 5th(least poor) and in each of the mothers' education groups.

From: Boys are more stunted than girls in Sub-Saharan Africa: a meta-analysis of 16 demographic and health surveys

Country (year of study)

Sex

Percentage stunted by household asset index quintile

p-value for test of trend

Percentage stunted by mothers education status

p-value for test of trend

  

1st

2nd

3rd

4th

5th

 

Nil

Primary

Secondary

 

Zimbabwe (1999)

M

33.1

28.4

27.3

24.2

24.3

0.007

31.0

31.9

22.7

0.001

 

F

30.6

28.9

23.7

23.8

14.5

0.001

36.9

25.9

21.7

0.001

Pearson χ 2 test

 

0.49

0.90

0.46

0.91

0.01

 

0.35

0.02

0.67

 

Zambia (2001/02)b

M

57.0

 

51.5

47.9

34.1

< 0.001

53.8

52.4

36.1

< 0.001

 

F

52.0

 

46.2

44.5

36.1

< 0.001

52.2

47.5

35.9

< 0.001

Pearson χ 2 test

 

0.03

 

0.04

0.30

0.48

 

0.64

< 0.01

0.95

 

Zambia (1996)

M

49.0

51.9

47.0

43.5

28.3

< 0.001

50.0

46.5

33.4

< 0.001

 

F

54.1

52.4

44.3

39.3

25.2

< 0.001

51.1

45.4

30.9

< 0.001

Pearson χ 2 test

 

0.20

0.83

0.48

0.11

0.28

 

0.76

0.53

0.37

 

Uganda (2000/01)

M

46.9

45.9

44.0

30.8

26.7

< 0.001

46.7

39.4

26.7

< 0.001

 

F

44.2

41.1

39.5

33.1

22.5

< 0.001

46.7

34.9

25.7

< 0.001

Pearson χ 2 test

 

0.38

0.13

0.11

0.45

0.14

 

0.99

< 0.01

0.77

 

Uganda (1995/6)

M

44.7

44.9

42.2

35.9

21.6

< 0.001

44.6

38.9

23.2

< 0.001

 

F

42.1

38.1

32.4

35.8

16.9

< 0.001

41.6

32.9

19.3

< 0.001

Pearson χ 2 test

 

0.40

0.04

< 0.01

1.00

0.08

 

0.30

< 0.01

0.21

 

Tanzania (1999)

M

54.7

47.3

37.8

36.9

22.6

< 0.001

44.9

42.4

19.7

< 0.001

 

F

53.1

41.9

44.9

32.6

19.0

< 0.001

47.0

38.1

19.9

< 0.001

Pearson χ 2 test

 

0.67

0.31

0.23

0.28

0.35

 

0.59

0.09

0.98

 

Tanzania (1996)b

M

56.2

 

47.2

45.5

29.6

< 0.001

52.9

44.3

31.0

< 0.001

 

F

50.5

 

44.0

40.7

30.5

< 0.001

48.1

41.7

24.2

< 0.001

Pearson χ 2 test

 

0.01

 

0.22

0.16

0.74

 

0.06

0.12

0.22

 

Nigeria (2003)

M

52.4

51.8

42.8

33.1

24.1

< 0.001

52.7

39.6

21.6

< 0.001

 

F

44.2

44.0

36.2

33.7

19.6

< 0.001

45.9

32.1

19.6

< 0.001

Pearson χ 2 test

 

0.01

0.04

0.03

0.85

0.11

 

< 0.01

0.01

0.38

 

Nigeria (1999)

M

58.2

54.4

47.2

46.8

41.1

0.002

57.4

43.2

43.4

0.002

 

F

52.4

53.6

44.4

34.8

36.2

0.001

55.2

36.6

34.6

0.001

Pearson χ 2 test

 

0.41

0.88

0.66

0.03

0.34

 

0.68

0.17

0.04

 

Namibia (2000)

M

30.7

23.0

23.8

20.7

13.9

< 0.001

29.8

26.7

17.0

< 0.001

 

F

31.4

24.3

17.2

20.3

10.3

< 0.001

30.7

24.3

14.4

< 0.001

Pearson χ 2 test

 

0.87

0.72

0.08

0.89

0.19

 

0.84

0.38

0.20

 

Malawi (2000)

M

57.0

56.2

48.8

48.2

34.6

< 0.001

53.7

48.3

28.7

< 0.001

 

F

53.2

48.9

47.1

46.4

34.0

< 0.001

52.2

45.1

26.7

< 0.001

Pearson χ 2 test

 

0.07

0.01

0.48

0.40

0.78

 

0.44

< 0.01

0.57

 

Kenya (2003)

M

39.6

35.7

34.4

25.8

24.0

< 0.001

36.2

35.7

20.8

< 0.005

 

F

35.2

29.3

29.1

24.1

11.5

< 0.001

31.8

29.8

13.7

< 0.001

Pearson χ 2 test

 

0.18

0.02

0.08

0.58

0.01

 

0.17

< 0.01

< 0.01

 

Kenya (1998)

M

46.0

42.3

28.2

31.7

25.5

< 0.001

44.5

37.2

24.0

< 0.001

 

F

37.0

35.9

25.3

27.9

15.3

< 0.001

42.9

30.9

16.0

< 0.001

Pearson χ 2 test

 

0.03

0.10

0.41

0.31

0.01

 

0.76

< 0.01

< 0.01

 

Ghana (2003)

M

39.2

40.6

29.7

36.0

20.7

< 0.001

41.0

29.1

25.1

< 0.001

 

F

36.3

33.3

24.1

31.0

15.4

< 0.001

36.3

20.8

21.8

< 0.001

Pearson χ 2 test

 

0.52

0.03

0.13

0.20

0.11

 

0.06

0.01

0.12

 

Ghana (1998)

M

37.8

35.1

39.4

28.9

13.8

< 0.001

35.8

32.8

22.2

< 0.001

 

F

34.4

27.0

27.5

25.2

12.2

< 0.001

31.9

24.5

18.2

< 0.001

Pearson χ 2 test

 

0.42

0.01

0.08

0.31

0.60

 

0.15

0.04

0.12

 

Cameroon (1998)

M

38.2

35.5

36.5

25.6

14.9

< 0.001

41.3

28.3

20.7

< 0.001

 

F

32.0

32.6

22.5

18.9

18.2

< 0.001

35.0

24.4

17.6

< 0.001

Pearson χ 2 test

 

0.24

0.56

0.01

0.14

0.42

 

0.13

0.23

0.37

 
  1. M = Male; F = Female; bThe asset index in this survey was categorised in quartiles
  2. Pearson chi square test for each male-female comparison and p-values for the test of trend across quintiles or mothers education groups is indicated.