Table 2 Sample characteristics of treatment receipt

Infant female sex, no. (%)

49

22 (45%)

41

23 (56%)

45

21 (47%)

Infant birth weight, mean grammes, (SD)

49

1344 (440)

41

1423 (430)

45

1415 (414)

Infant GA at birth, mean weeks, (SD)

49

30.2 (2.7)

41

32.85 (5.47)

45

30.34 (2.57)

Mother age, mean years (SD)

49

31.9 (5.6)

40

33.07 (2.21)

44

34.07 (5.20)

Mother education, mean years (SD)

48

15.2 (3.6)

39

16.03 (2.97)

44

16.36 (2.80)

Mother usual work situation, no. (%)

49

-

41

-

45

-

 Full-time- or self-employed

30 (61%)

33 (80.5%)

33 (73%)

 Other^a

19 (39%)

8 (19.5%)

12 (27%)

Mother civil status, no. (%)

48

-

41

-

45

-

 Single

3 (6%)

4 (10%)

2 (4%)

 Married

33 (69%)

25 (61%)

32 (71%)

 Living together but not married

12 (24%)

10 (24%)

11 (24%)

 Others

-

2 (5%)

-

Father age, mean years (SD)

47

35.1 (6.8)

39

35.4 (5.7)

42

36.4 (5.3)

Father education, mean years (SD)

45

14.3 (4.0)

38

15.6 (3.4)

41

15.7 (7.2)

Father usual work situation, no. (%)

47

-

39

-

42

-

 Full-time- or self-employed

44 (94%)

38 (97%)

39 (93%)

 Other^a

3 (6%)

1 (3%)

3 (7%)