Table 6.
Subgroup comparisons of variables included in multivariate model
| Variable | Contrast | Odds ratio |
Standard Error |
95% Confidence Interval |
p-value* |
|---|---|---|---|---|---|
| Residence in metropolitan area |
Metro vs. Rural | 1.67 | 0.29 | (1.19, 2.35) | 0.0079 |
|
| |||||
| Race | Black vs. White | 1.70 | 0.29 | (1.22, 2.37) | 0.0048 |
| Multiple race vs. White | 0.84 | 0.18 | (0.56, 1.27) | 0.5033 | |
| Other vs. White | 0.95 | 0.22 | (0.60, 1.49) | 0.8513 | |
|
| |||||
| Age category | <4 yrs vs. 13-17 yrs | 1.77 | 0.11 | (1.57, 2.00) | <.0001 |
| 4-8 yrs vs. 13-17 yrs | 1.27 | 0.08 | (1.13, 1.43) | 0.0006 | |
| 9-12 yrs vs. 13-17 yrs | 1.15 | 0.08 | (1.01, 1.31) | 0.0640 | |
|
| |||||
| Highest education level completed by parent |
HS vs. <HS | 1.34 | 0.20 | (1.00, 1.78) | 0.0799 |
| >HS vs. <HS | 1.61 | 0.23 | (1.21, 2.13) | 0.0038 | |
|
| |||||
| Income as a percent of poverty level |
100-199% vs. 0-99% | 1.11 | 0.09 | (0.94, 1.31) | 0.2938 |
| 200-399% vs. 0-99% | 0.99 | 0.08 | (0.84, 1.15) | 0.8513 | |
| ≥400% vs. 0-99% | 1.13 | 0.09 | (0.96, 1.32) | 0.2304 | |
*
Wald chi-square test adjusted for multiple comparisons by False Discovery Rate method