Table 1

Characteristics of subjects 5–17 years old, NSCH 2007
Variable N (Unweighted) Weighted % ± SE
ADHD classification
 Yes 7137 10.08 ± 0.28
 No 61378 89.91 ± 0.28
BMI
 Underweight 2186 5.16 ± 0.27
 Normal 29121 63.19 ± 0.60
 Overweight 6754 15.26 ± 0.44
 Obese 6040 16.37 ± 0.48
Sex
 Male 35677 51.13 ± 0.48
 Female 32863 48.86 ± 0.48
Age: Median(IQR) 10.63 (6.51)
Depression
 Yes 3088 4.50 ± 0.21
 No 65481 95.49 ± 0.21
Anxiety
 Yes 4125 5.31 ± 0.21
 No 64428 94.68 ± 0.21
Race/Ethnicity
 Non- Hispanic White 46739 56.75 ± 0.51
 Non-Hispanic Black 6908 14.93 ± 0.33
 Hispanic 8006 19.77 ± 0.50
 Other 5894 8.53 ± 0.29
Poverty
 ≤200% 17008 37.68 ± 0.50
 >200% 45873 62.31 ± 0.50
Family member’s Smoking status
 By any one in household 17221 26.37 ± 0.42
 No one Smoke 50901 73.62 ± 0.42
Highest level of Education in the household
 Less than/High School Education 15624 33.16 ± 0.49
 More than High School Education 52204 66.83 ± 0.49
Family structure
 Two parent -biological/step/adopted 51682 73.19 ± 0.43
 Other - single mother/father/other 16532 26.80 ± 0.43
Healthcare coverage
 Yes 63154 90.43 ± 0.31
 No 5343 9.56 ± 0.31
Participation in Sports
 Yes 40673 58.30 ± 0.50
 No 23354 41.69 ± 0.50
Participation in Clubs
 Yes 40352 56.89 ± 0.51
 No 23649 43.10 ± 0.51
Average computer usage during a weekday
 ≥1 hour 30744 61.36 ± 0.54
 <1 hour 19811 38.64 ± 0.54
Average TV usage during weekday
 ≥1 hour 50080 83.99 ± 0.39
 <1 hour 9898 16.01 ± 0.39
Current Medication Use (in ADHD group)
 Yes 3735 66.72 ± 1.65
 No 1690 33.28 ± 1.65

Unweighted N = 68634.

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

Lingineni et al.

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

Open Data