TABLE II.
Univariate Analysis
| Characteristics | ORs | 95% CI | P-values |
|---|---|---|---|
| BMI | 0.871 | ||
| Non-obese | 1.00 | ||
| Overweight | 1.08 | 0.64–1.83 | |
| Obese | 0.89 | 0.49–1.61 | |
| Race | <0.001 | ||
| White | 1.00 | ||
| Black | 3.11 | 1.78–5.46 | |
| Others (Hispanic & Asian) | 2.08 | 1.09–3.97 | |
| Puberty | <0.001 | ||
| Tanner 1–2 | 1.00 | ||
| Tanner 3–5 | 2.29 | 1.53–3.41 | |
| Age at diagnosis | 1.36 | 1.10–1.70 | <0.01 |
| Interval from diagnosis to Testing | 1.03 | 0.98–1.08 | 0.142 |
| Seasonality | 0.200 | ||
| Summer | 1.00 | ||
| Winter | 1.28 | 0.86–1.89 | |
| Gender | 0.410 | ||
| Male | 1.00 | ||
| Female | 1.18 | 0.8–1.74 | |
| Cancer specific risk factors | |||
| TBI (yes vs. no) | 1.66 | 0.98–2.81 | 0.061 |
| Steroids (yes vs. no) | 0.96 | 0.55–1.66 | 0.875 |
| Chemotherapy (yes vs. no) | 1.12 | 0.59–2.15 | 0.729 |
| Cranial radiation (yes vs. no) | 1.10 | 0.73–1.66 | 0.636 |
| Endocrinopathy (yes vs. no) | 1.06 | 0.72–1.57 | 0.761 |
BMI, body mass index; TBI, total body irradiation.