Table 1 Socio-demographic data in the three groups

Age (year)

26.6 ± 6.44

26.1 ± 6.1

27.3 ± 6.03

0.76^a

Maternal education level

Elementary

7 (21.2%)

7 (21.2%)

3 (9.4%)

0.83^b

Middle school

11 (33.3%)

9 (27.3%)

13 (40.6%)

High school and Diploma

13 (39.4%)

14 (42.4%)

13 (40.6%)

University

2 (6.1%)

3 (9.1%)

3 (9.4%)

Occupational status

Employed

3 (9.9%)

9 (27.3%)

7 (21.9%)

0.15^c

Unemployed

30 (90.1%)

24 (72.7%)

25 (78.1%)

Economic status

Good

2 (6.1%)

3 (9.1%)

3 (9.4%)

0.33^b

Average

25 (75.7%)

17 (51.5%)

20 (65. 6%)

Parity

1.3 ± 0.6

1.4 ± 0.56

1.6 ± 0.7

0.24^d

Delivery (C/S, NVD)

(22, 11)

(23, 10)

(19, 13)

0.66^c

Gestational age (week)

34.5 ± 1.6

34.5 ± 1.5

34.3 ± 1.6

0.56^a

Birth weight (gr)

2191 ± 479

2194.4 ± 463

2277 ± 447

0.44^a

The age of entry into the

15.12 ± 9.3

18.8 ± 13.6

17.3 ± 12.5

0.46^a

study (days)

Apgar score (min 5)

8.81 ± 0.39

8.75 ± 0.43

8.81 ± 0.39

0.80^a

Sex (male, female)

(20, 13)

(14, 19)

(14, 18)

0.25^c