Table 1 Socio-demographic characteristics among studied groups

Age

Mean ± SD

4.693 ± .9641

4.528 ± .9730

t = 1.660

.097

…………

Gender

 Male

523

55.8

63

57.3

χ² = .092

.762

1.064

 Female

415

44.2

47

42.7

(.714–1.585)

Residence

 Rural

619

66.0

75

68.2

χ² = .211

.646

.906

 Urban

319

34.0

35

31.8

(.593–1.383)

Class

 kg1(3- < 4 years)

337

36.0

49

44.5

χ² = 3.46

.177

…………

 Kg2(4- < 5 years)

359

38.3

39

35.5

 Kg3 (5–6 years)

241

25.7

22

20.0

Father education

 Illiterate

13

1.4

5

4.5

χ² = 16.23

.003

…………

 Primary

33

3.5

3

2.7

 Preparatory

46

4.9

13

11.8

 Secondary

222

23.7

28

25.5

 University

624

66.5

61

55.5

Mother education

 Illiterate

17

1.8

7

6.4

χ² = 19.5

.001

…………

 Primary

24

2.6

8

7.3

 Preparatory

70

7.5

12

10.9

 Secondary

236

25.2

22

20.0

 University

591

63.0

61

55.5

Family income

 Enough

623

66.4

73

66.4

χ² = 8.11

.017

…………

 Not enough

63

6.7

15

13.6

 Enough and save

252

26.9

22

20.0