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. 2012 May 14;12:50. doi: 10.1186/1471-2431-12-50

Table 2.

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

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

Unweighted N = 68634.

SE: Standard Error; IQR: Inter-Quartile Range.

* Weighted Mean (Weighted SE).