Table 1 Social demographics and clinical characteristics of the study participants

Birth weight in grams

 < 1000 g

4

2.2

 1000 -1499.9 g

44

24.4

 1500 − 2499.9 g

71

39.4

 2500 – 4000 g

53

29.4

 > 4000 g

8

4.4

Gestation age in weeks

 Extreme preterm (< 28)

4

2.2

 Very preterm (28–31)

47

26.1

 Moderate preterm (32–33)

36

2.0

 Late preterm (34–36)

33

18.3

 Term (> 37)

60

33.3

Sex

 Male

92

51.1

 Female

88

48.9

Phototherapy treatment

 Yes

100

55.6

 No

80

44.4