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Table 2 Factors stratified by ADHD classification for subjects 5–17 years old, NSCH 2007

From: Factors associated with attention deficit/hyperactivity disorder among US children: Results from a national survey

Variable

ADHD

NO ADHD

 
 

N

Weighted

N

Weighted

P-value

 

(Unweighted)

%?±?SE

(Unweighted)

%?±?SE

 

BMI

     

 Underweight

292

4.26 ± 0.58

1892

5.28 ± 0.36

<0.001

 Normal

3418

58.57 ± 1.73

25664

63.84 ± 0.64

 Overweight

867

16.21 ± 1.34

5876

15.13 ± 0.46

 Obese

952

20.94 ± 1.48

5078

15.73 ± 0.51

Sex

 Male

5068

70.90 ± 1.37

30536

48.90 ± 0.51

<0.001

 Female

2063

29.09 ± 1.37

30754

51.09 ± 0.51

Age: Median(IQR)

13 (5)

11.98 (5.69)*

12 (7)

10.46 (6.59)*

<0.001

Depression

 Yes

1505

22.93 ± 1.39

1573

2.43 ± 0.15

<0.001

 No

5611

77.07 ± 1.39

59778

87.75 ± 0.15

Anxiety

 Yes

1854

23.73 ± 1.21

2257

3.22 ± 0.19

<0.001

 No

5260

76.26 ± 1.21

59084

96.77 ± 0.19

Race/Ethnicity

 Non- Hispanic White

5110

63.62 ± 1.47

41567

56.00 ± 0.54

<0.001

 Non-Hispanic Black

741

16.25 ± 1.06

6148

14.76 ± 0.35

 Hispanic

613

11.97 ± 1.22

7374

20.64 ± 0.54

 Other

586

8.14 ± 0.77

5292

8.58 ± 0.31

Poverty

 ≤200%

2205

43.73 ± 1.52

14759

36.94 ± 0.54

<0.001

 >200%

4446

56.26 ± 1.52

41376

63.05 ± 0.54

Family members’ Smoking status

 By any one in household

2453

39.60 ± 1.45

14724

24.86 ± 0.43

<0.001

 No one Smoke

4645

60.39 ± 1.45

46182

75.13 ± 0.43

Highest level of Education in the household

 Less than/High School Education

1938

38.31 ± 1.47

13641

32.54 ± 0.52

<0.001

 More than High School Education

5137

61.68 ± 1.47

46993

67.45 ± 0.52

Family structure

 Two parent -biological/step/adopted

4570

59.76 ± 1.45

47043

74.74 ± 0.44

<0.001

 Other - single mother/father/other

2528

40.23 ± 1.45

13955

25.25 ± 0.44

Healthcare coverage

 Yes

6719

93.35 ± 0.86

56333

90.12 ± 0.33

0.002

 No

408

6.66 ± 0.86

4919

9.87 ± 0.33

Participation in Sports

 Yes

3688

48.51 ± 1.47

36933

59.50 ± 0.54

<0.001

 No

3333

51.48 ± 1.47

19969

40.49 ± 0.54

Participation in Clubs

 Yes

3839

51.38 ± 1.48

36463

57.57 ± 0.54

<0.001

 No

3179

48.61 ± 1.48

20417

42.42 ± 0.54

Average computer usage during a weekday

  

 ≥1 hour

3633

69.87 ± 1.52

27066

60.37 ± 0.58

<0.001

 <1 hour

1677

30.12 ± 1.52

18115

39.62 ± 0.58

Average TV usage during weekday

 ≥1 hour

5788

90.02 ± 0.68

44204

83.24 ± 0.43

<0.001

 <1 hour

847

9.97 ± 0.68

9041

16.75 ± 0.43

  1. Unweighted N = 68634.
  2. SE: Standard Error; IQR: Inter-Quartile Range.
  3. * Weighted Mean (Weighted SE).