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Table 1 Parents’ baseline socioeconomic characteristics, education, and smoking behavior by study group: the Baby Newsletter and the control group, with complete follow up

From: Evaluation of an intervention aimed at supporting new parents: the Baby Newsletter project

Characteristics

Newsletter group1

with complete follow up

Control group2

with complete follow up

Total

p-value(1 vs 2)

 

N

m (sd)

N

m (sd)

N

m (sd)

N

m (sd)

N

m (sd)

 

Child’s age when baseline questionnaire was completed (days)

57

8.0 (11.4)

30

7.3 (9.7)

72

2.6 (1.5)

49

2.4 (1.4)

129

5.0 (8.0)

< 0.01+

 

N

%

N

%

N

%

N

%

N

%

 

Who is completing the questionnaire

Mother

43

75.4

22

73.3

50

66.7

32

62.7

93

70.5

0.274*

Father

14

24.6

8

26.7

25

33.3

19

37.3

39

29.5

 

Missing

0

0.0

0

0.0

0

0.0

0

0.0

0

0.0

 

Home ownership

Yes

43

75.4

25

83.3

56

74.7

39

76.5

99

75.0

0.975*

No

14

24.6

5

16.7

18

24.0

11

21.6

32

24.2

 

Missing

0

0.0

0

0.0

1

1.3

1

2.0

1

0.8

 

Mother’s education level

Primary school

0

0.0

0

0.0

0

0.0

0

0.0

0

0.0

0.355*

Medium school

9

15.8

2

6.7

9

12.0

5

9.8

18

13.6

 

High school

27

47.4

12

40.0

29

38.7

19

37.3

56

42.4

 

University

21

36.8

16

53.3

37

49.3

27

52.9

58

43.9

 

missing

0

0.0

0

0.0

0

0.0

0

0.0

0

0.0

 

Father’s education level

Primary school

0

0.0

0

0.0

0

0.0

0

0.0

0

0.0

0.574*

Medium school

12

21.1

5

16.7

11

14.7

9

17.6

23

17.4

 

High school

35

61.4

20

66.7

48

64.0

29

56.9

83

62.9

 

University

9

15.8

5

16.7

15

20.0

12

23.5

24

18.2

 

missing

1

1.8

0

0.0

1

1.3

0

0.0

2

1.5

 

Mother’s profession

Worker

5

8.8

3

10.0

8

10.7

5

9.8

13

9.8

0.929#

Employee

21

36.8

11

36.7

32

42.7

22

43.1

53

40.2

 

Freelance

7

12.3

5

16.7

6

8.0

5

9.8

13

9.8

 

Housewife

6

10.5

2

6.7

5

6.7

3

5.9

11

8.3

 

Unemployed

6

10.5

2

6.7

10

13.3

8

15.7

16

12.1

 

Manager

1

1.8

0

0.0

1

1.3

1

2.0

2

1.5

 

Other

9

15.8

7

23.3

13

17.3

7

13.7

22

16.7

 

missing

2

3.5

0

0.0

0

0.0

0

0.0

2

1.5

 

Father’s profession

Worker

14

24.6

8

26.7

17

22.7

11

21.6

31

23.5

0.997#

Employee

19

33.3

11

36.7

25

33.3

19

37.3

44

33.3

 

Artisan

5

8.8

2

6.7

7

9.3

5

9.8

12

9.1

 

Freelance

9

15.8

4

13.3

12

16.0

6

11.8

21

15.9

 

Unemployed

1

1.8

0

0.0

3

4.0

1

2.0

4

3.0

 

Manager

2

3.5

1

3.3

2

2.7

2

3.9

4

3.0

 

Other

7

12.3

4

13.3

8

10.7

6

11.8

15

11.4

 

missing

0

0.0

0

0.0

1

1.3

1

2.0

1

0.8

 

Gross family income

Up to €36,152

33

57.9

19

63.3

43

57.3

31

60.8

76

57.6

0.905#

From €36,153 to €70,000

21

36.8

10

33.3

29

38.7

18

35.3

50

37.9

 

From €70,001 to €100,000

1

1.8

0

0.0

2

2.7

1

2.0

3

2.3

 

Over € 100.000

2

3.5

1

3.3

1

1.3

1

2.0

3

2.3

 

missing

0

0.0

0

0.0

0

0.0

0

0.0

0

0.0

 

Antenatal course

Yes

42

73.7

21

70.0

59

78.7

41

80.4

101

76.5

0.414*

No

15

26.3

9

30.0

15

20.0

9

17.6

30

22.7

 

missing

0

0.0

0

0.0

1

1.3

1

2.0

1

0.8

 

Other children

0

30

52.6

18

60.0

36

48.0

26

51.0

66

50.0

0.676#

1

20

35.1

8

26.7

29

38.7

20

39.2

49

37.1

 

2

4

7.0

1

3.3

6

8.0

2

3.9

10

7.6

 

3

0

0.0

0

0.0

2

2.7

1

2.0

2

1.5

 

> 3

1

1.8

1

3.3

0

0.0

0

0.0

1

0.8

 

missing

2

3.5

2

6.7

2

2.7

2

3.9

4

3.0

 

Smoking habit during pregnancy

Yes

4

7.0

1

3.3

2

2.7

2

3.9

6

4.5

0.404#

No

52

91.2

29

96.7

69

92.0

48

94.1

121

91.7

 

missing

1

1.8

0

0.0

4

5.3

1

2.0

5

3.8

 

Mother a smoker?

Yes

5

8.8

1

3.3

8

10.7

5

9.8

13

9.8

0.717*

No

52

91.2

29

96.7

67

89.3

46

90.2

119

90.2

 

missing

0

0.0

0

0.0

0

0.0

0

0.0

0

0.0

 

Father a smoker?

Yes

17

29.8

6

20.0

20

26.7

15

29.4

37

28.0

0.664*

No

38

66.7

23

76.7

53

70.7

35

68.6

91

68.9

 

missing

2

3.5

1

3.3

2

2.7

1

2.0

4

3.0

 

Total

 

57

100.0

30

100.0

75

100.0

51

100.0

132

100.0

 
  1. chi-square test(*) or Fisher’s exact test (#) or t-test (+) – Newsletter group vs control group, all regardless of the length of follow-up