Table 2.
Results of two-part model of factors associated with total cost of ADHD
| Logit | GLM | ||||
|---|---|---|---|---|---|
| Estimate | OR | p value | Estimate | p value | |
| ADHD (reference: non-ADHD) | 2.51 (1.92, 3.10) | 12.30 | < 0.001 | 0.25 (0.10, 0.40) | 0.001 |
| Age | 0.03 (0.07, 0.03) | 1.03 | < 0.001 | 0.02 (0.01, 0.02) | < 0.001 |
| Female (reference: male) | 0.70 (0.65, 0.76) | 2.01 | < 0.001 | 0.10 (0.06, 0.14) | < 0.001 |
| Race/ethnicity (reference: non-Hispanic White) | |||||
| Non-Hispanic Black | − 0.51 (− 0.60. − 0.41) | 0.60 | < 0.001 | − 0.02 (− 0.10, 0.06) | 0.631 |
| Hispanic | − 0.57 (− 0.65, − 0.49) | 0.57 | < 0.001 | − 0.14 (− 0.21, − 0.07) | < 0.001 |
| Other | − 0.52 (− 0.63, − 0.40) | 0.59 | < 0.001 | − 0.21 (− 0.30, − 0.11) | < 0.001 |
| Insurance (reference: private) | |||||
| Public | − 0.08 (− 0.18, 0.01) | 0.92 | 0.093 | − 0.05 (− 0.10, 0.01) | 0.094 |
| No insurance | − 1.38 (− 1.47, − 0.23) | 025 | < 0.001 | − 0.71 (− 0.83, − 0.59) | < 0.001 |
| Not currently married (reference: currently married) | − 0.12 (− 0.19, − 0.06) | 0.89 | < 0.001 | − 0.04 (− 0.09, 0.01) | 0.143 |
| Geographic region (reference: Northeast | |||||
| Midwest | 0.23 (0.11, 0.35) | 1.26 | < 0.001 | − 0.00 (− 0.09, 0.09) | 0.983 |
| South | − 0.05 (− 0.14, 0.05) | 0.95 | 0.339 | − 0.09 (− 0.16, − 0.01) | 0.020 |
| West | 0.02 (− 0.09, 0.13) | 1.02 | 0.760 | − 0.07 (− 0.15, 0.01) | 0.096 |
| Education (reference: Bachelor’s Degree or Higher) | |||||
| No high school degree | − 0.46 (− 0.56, − 0.37) | 0.6 | < 0.001 | − 0.17 (− 0.25, − 0.08) | < 0.001 |
| High school or GED | − 0.50 (− 0.58, − 0.42) | 0.61 | < 0.001 | − 0.05 (− 0.12, 0.01) | 0.111 |
| Other degree | − 0.30 (− 0.40, − 0.20) | 0.74 | < 0.001 | 0.00 (− 0.09, 0.09) | 0.968 |
| Unknown | − 1.35 (− 1.63, − 1.07) | 0.26 | < 0001 | 0.24 (− 0.08, 0.56) | 0.139 |
| Employed (reference: unemployed) | − 0.19 (− 0.26, − 0.13) | 0.83 | < 0.001 | − 0.36 (− 0.42, − 0.31) | < 0.001 |
| Poverty (reference: poor or near poor) | |||||
| Low income | 0.06 (− 0.04, 0.16) | 1.06 | 0.241 | − 0.09 (− 0.16, − 0.01) | 0.021 |
| Middle income | 0.14 (0.04, 0.23) | 1.15 | 0.005 | − 0.07 (− 0.14, − 0.01) | 0.035 |
| High income | 0.36 (0.26, 0.46) | 1.43 | < 0.001 | − 0.01 (− 0.08, 0.07) | 0.902 |
| Charlson comorbidity index (reference: 0) | |||||
| 1 | 2.35 (2.09, 2.60) | 10.49 | < 0.001 | 0.66 (0.59, 0.74) | < 0.001 |
| 2 + | 4.33 (3.45, 5.20) | 75.94 | < 0.001 | 1.17 (1.08, 1.25) | < 0.001 |
| Asthma | 0.21 (− 0.10, 0.52) | 1.23 | 0.186 | − 0.14 (− 0.21, − 0.06) | 0.001 |
| Anxiety | 1.53 (1.34, 1.73) | 4.62 | < 0.001 | 0.33 (0.26, 0.39) | < 0.001 |
| Mood | 1.45 (1.26, 1.64) | 4.26 | < 0.001 | 0.43 (0.36, 0.49) | < 0.001 |