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).

Lingineni et al.

Lingineni et al. BMC Pediatrics 2012 12:50   doi:10.1186/1471-2431-12-50

Open Data