Table 2 Family history and maternal risk factors among studied groups

Family history of psychological and neurological symptoms

 Yes

91

9.7

19

17.3

6.01

.014

1.943

 No

847

90.3

91

82.7

(1.133–3.333)

Family history of ADHD symptoms

 Yes

88

9.4

27

24.5

23.1

.000

3.142

 No

850

90.6

83

75.5

(1.932–5.111)

If yes: Degree of kinship (n = 115)

 1^st

29

3.1

8

7.3

44.9

.000

…………

 2^nd

17

1.8

12

10.9

 3^rd

24

2.6

8

7.3

Mother neurological& psychological symptoms

 Yes

72

7.7

14

13.0

3.5

.058

1.791

 No

866

92.3

94

87.0

(.973–3.299)

Active smoking of mother

 Yes

49

5.3

23

21.1

37.9

.000

4.814

 No

882

94.7

86

78.9

(2.798–8.282)

Passive smoking of mother

 Yes

330

35.2

37

33.6

.103

.748

.934

 No

608

64.8

73

66.4

(.615–1.418)

Birth order of child

 1^st

324

34.5

47

42.7

3.6

.460

…………

 2^nd

312

33.3

35

31.8

 3^rd

199

21.2

19

17.3

 4^th

84

9.0

8

7.3

 5^th and above

19

2.0

1

0.9

Timing of delivery

 Full term

721

76.9

78

70.9

2.04

.359

…………

 Preterm

115

12.3

16

14.5

 Post term

102

10.9

16

14.5

Type of delivery

 Normal vaginal

371

39.6

22

20.0

19.6

.000

…………

 Cesarean section

506

53.9

73

66.4

 Complicated with forceps, vaccum

61

6.5

15

13.6

Blood pressure during child pregnancy

 Normal

683

72.8

65

59.1

9.1

.011

…………

 Low

139

14.8

24

21.8

 High

116

12.4

21

19.1

History of taking drugs during child pregnancy

 Yes

297

31.7

48

43.6

6.3

.011

1.671

 No

641

68.3

62

56.4

(1.119–2.496)

If yes: mention (n = 345)

 Antibiotics

27

9.6

6

15.8

17.07

.048

…………

 Anticoagulants

9

3.2

4

10.5

 Hormonal therapy

19

6.7

5

13.2

 Calcium &Multi vitamins

111

39.4

6

15.8

 Hypoglycemic drugs

16

5.7

0

0.0

 Antihypertensive drugs

17

6.0

3

7.9

 Cortisone& anti-inflammatory

4

1.4

0

0.0

 Sedatives

2

0.7

0

0.0

 Anti-thyroid drugs

1

0.4

0

0.0

 More than one

76

27.0

14

36.8