Table 1 Comparison of demographic variables of pregnant women under study in the two intervention and control groups

Occupation

Housewife

61

87.14

65

92.86

0.259

Employed

9

12.86

5

7.14

Family monthly income

Under 50 million rials

33

47.14

36

51.43

0.184

50–100 million rials

30

42.86

29

41.43

Above 100 million rials

7

10

5

7.14

Number of children

0

15

21.43

13

18.57

0.159

1

34

48.57

31

44.29

2

18

25.71

22

31.43

3

2

2.86

4

5.71

4

1

1.43

0

0

Rank of pregnancy

1

15

21.43

13

18.57

0.165

2

41

58.57

40

57.14

3

12

17.14

14

20

4

2

2.86

3

4.29

Education

Elementary school

8

11.43

6

8.57

Secondary school

24

34.28

22

31.43

High school

29

41.43

37

52.86

Academic

9

12.86

5

7.14

Living place

Rental

30

42.86

36

51.43

0.155

Private

40

57.14

34

48.57

Spouse’s education

Elementary school

5

7.14

8

11.43

0.144

Secondary school

20

28.57

14

20

High school

35

50

40

57.14

Academic

10

14.29

8

11.43