Table 2 Comparison between autistic and non-autistic children in demographic data

Age group

 4-5 years

16

80

39

46.4

Fisher

0.006**

Sex (Male)

15

75

53

63.1

1.01

0.32 (NS)

Father education

 Read and write

0

0

2

2.4

 Middle education♦

6

30

44

52.4

Fisher

0.13

 University

14

70

38

45.2

NS

Mother education

 Read and write

0

0

2

2.4

 Middle education♦

2

10

41

48.8

Fisher

0.005**

 University

18

90

41

48.8

Father occupation

 Employee

7

35

33

39.3

 Private work

13

65

32

38.1

Fisher

0.06

 Vocational worker

0

0

15

17.9

NS

 Professional

0

0

4

4.8

Mother occupation

 Housewife

9

45

55

65.5

2.86

0.09

 Working

11

55

29

34.5

NS

Who care ◘

 Father

5

45.4

5

17.2

 Grand mom and pap

3

27.3

8

27.6

Fisher

0.25

 Kinder garden

3

27.3

14

48.3

NS

 Other

0

0

2

6.9

Duration

 < 4 h

3

27.3

2

6.9

Fisher

0.11

 ≥ 4 h

8

72.7

27

93.1

NS

Social state of parents

 Married

20

100

82

97.6

Fisher

0.65

NS

Residence

 Urban

13

65

38

45.2

2.52

0.11

 Rural

7

35

46

54.8

NS

Factories near home■

 No^◙

16

80

84

100

 Yes^⌂

4

20

0

0

Fisher

0.001**

Home environment

 Extended

0

0

2

2.4

Fisher

0.65

 Nuclear

20

100

82

97.6

NS

Smoker inside home

 Yes (father)

9

45

41

48.8

0.09

0.76

NS

Sibling number

 ≤ 2

10

50

58

69

2.59

0.11

 <2

10

50

26

31

NS

Order of child

 First

10

50

41

48.8

 Middle

8

40

6

7.1

Fisher

< 0.001**

 Last

2

10

37

44