Table 3.
Unadjusted odds ratios for factors associated with ADHD classification, NSCH 2007
| Variable | ADHD |
||
|---|---|---|---|
| OR | LCL | UCL | |
| BMI | |||
| Underweight |
0.88 |
0.65 |
1.20 |
| Normal |
Ref |
Ref |
Ref |
| Overweight |
1.17 |
0.95 |
1.44 |
| Obese |
1.45* |
1.19 |
1.77 |
| Sex | |||
| Male |
2.55* |
2.22 |
2.92 |
| Female |
Ref |
Ref |
Ref |
| Age |
1.10* |
1.08 |
1.11 |
| Depression | |||
| Yes |
11.94* |
9.75 |
14.61 |
| No |
Ref |
Ref |
Ref |
| Anxiety | |||
| Yes |
9.35* |
7.82 |
11.18 |
| No |
Ref |
Ref |
Ref |
| Race/Ethnicity | |||
| Non- Hispanic White |
Ref |
Ref |
Ref |
| Non-Hispanic Black |
0.97 |
0.82 |
1.14 |
| Hispanic |
0.51* |
0.40 |
0.65 |
| Other |
0.83 |
0.67 |
1.04 |
| Poverty | |||
| ≤200% |
1.33* |
1.17 |
1.51 |
| >200% |
Ref |
Ref |
Ref |
| Family members’ smoking status | |||
| At least one member smokes |
1.98* |
1.75 |
2.25 |
| No one smokes |
Ref |
Ref |
Ref |
| Highest level of Education in the household | |||
| Less than/High School Education |
Ref |
Ref |
Ref |
| More than High School Education |
0.78* |
0.68 |
0.89 |
| Family structure | |||
| Two parent -biological/step/adopted |
0.50* |
0.44 |
0.57 |
| Other - single mother/father/other |
Ref |
Ref |
Ref |
| Healthcare coverage | |||
| Yes |
1.54* |
1.16 |
2.04 |
| No |
Ref |
Ref |
Ref |
| Participation in Sports | |||
| Yes |
0.64* |
0.57 |
0.73 |
| No |
Ref |
Ref |
Ref |
| Participation in Clubs | |||
| Yes |
0.78* |
0.69 |
0.88 |
| No |
Ref |
Ref |
Ref |
| Average computer usage during a weekday | |||
| ≥1 hour |
1.52* |
1.31 |
1.77 |
| <1 hour |
Ref |
Ref |
Ref |
| Average TV usage during weekday | |||
| ≥1 hour |
1.82* |
1.55 |
2.13 |
| <1 hour | Ref | Ref | Ref |
* Significant association at 0.05 level.
OR: Odds Ratio; LCL: 95% Lower Confidence Limit; UCL: 95%Upper Confidence Limit; Ref: Reference Category.