Table 2.
Cox proportional hazard estimate of effect of community poverty level, demographics, and disease characteristics on time to first rheumatologist visit
| Adjusted1 | |||
|---|---|---|---|
| Characteristic | HR2 | 95% CI3 | p-value |
| Community Poverty Level | |||
| < 20% | – | – | – |
| ≥ 20% | 0.81 | 0.67–0.99 | 0.038 |
| Sex | |||
| Male | – | – | – |
| Female | 1.06 | 0.88–1.27 | 0.600 |
| Race/Ethnicity | |||
| White | – | – | – |
| Asian | 1.14 | 0.73–1.77 | 0.600 |
| Black, African American, African or Afro-Caribbean | 1.41 | 0.91–2.16 | 0.120 |
| Hispanic, Latino, or Spanish origin | 1.33 | 1.01–1.76 | 0.043 |
| Other | 1.21 | 1.21–4.10 | 0.200 |
| Prefer not to answer | 2.23 | 1.21–4.10 | 0.010 |
| Insurance | |||
| Private | – | – | – |
| Public | 1.01 | 0.84–1.21 | > 0.90 |
| Reported Family Education Level | |||
| Graduate School | – | – | – |
| College, Junior College, or Technical School | 0.97 | 0.81–1.17 | 0.800 |
| High School or Less | 0.96 | 0.75–1.23 | 0.700 |
| Patient Reported Morning Stiffness | |||
| ≤ 15 min | – | – | – |
| > 15 min | 1.12 | 0.93–1.36 | 0.200 |
| Anti-CCP | |||
| Negative | – | – | – |
| Positive | 0.99 | 0.73–1.35 | > 0.90 |
| Not Done | 1.04 | 0.88–1.24 | 0.600 |
| IgM RF | |||
| Negative | – | – | – |
| Positive | 0.94 | 0.70–1.25 | 0.700 |
| Not Done | 1.14 | 0.79–1.65 | 0.500 |
| Baseline CHAQ | 0.91 | 0.80–1.03 | 0.140 |
1: Cox-proportional hazard model stratified by age at baseline (> 9 and < =9) adjusting for sex, race/ethnicity, insurance, reported family education level, patient reported morning stiffness, anti-CCP, RF IgM, and baseline CHAQ
2: Hazard ratio
3: Confidence interval
4: Child Health Assessment Questionnaire