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Table 1 Prenatal and family characteristics of the sample by term and preterm birth

From: Neurodevelopmental outcomes of moderately preterm birth: precursors of attention deficit hyperactivity disorder at preschool age

Characteristics of children

Characteristics of children full term (=50)

Moderately preterm* (=50)

Variable

mean

sd

range

mean

sd

range

Child age (months)

62

4

57-67

64

2.5

61-66

Birth Gestational Age

34,6

2

31–35

40

2.5

38–41

Birth Weight (g)

2100

350

1750-2450

3200

200

3000-3400

Days of Hospitalization

15

8

8–23

2

1.5

2–3

Female %

54%

   

  51%

 

Male %

46%

   

  49%

 

Family background of children born preterm

Family background of children born full term

Variable

mean

sd

range

mean

sd

range

Mother’s age (years)

30,6

6

24-37

32,6

5

28-38

Parental educational attainment (years)

13

8

8-23

12

8

8-22

Number of children

2

1.5

1-3

2

1.5

1-4

  1. * Healthy Preterm (HPT): No medical/neurological complications.