Table 3.
Multivariable logistic regression analysis assessing receipt of active surveillance.
| West | Northeast | South | Midwest | |
|---|---|---|---|---|
| Region* | Reference | 0.50 (0.48–0.53) | 0.51 (0.49–0.54) | 0.71 (0.66–0.76) |
| Age (per one year) | 1.04 (1.03–1.04) | 1.04 (1.03–1.05) | 1.06 (1.06–1.07) | 1.06 (1.05–1.07) |
| Year | ||||
| 2010–2012 | Reference | Reference | Reference | Reference |
| 2013–2015 | 2.58 (2.44–2.73) | 3.21 (2.91–3.53) | 3.06 (2.79–3.35) | 3.04 (2.61–3.54) |
| 2016 | 3.79 (3.48–4.13) | 5.90 (5.17–6.73) | 5.25 (4.62–5.97) | 6.19 (4.94–7.76) |
| Race | ||||
| White | Reference | Reference | Reference | Reference |
| Black | 1.36 (1.25–1.49) | 0.80 (0.69–0.92) | 1.08 (0.98–1.19) | 1.62 (1.35–1.95) |
| Other/Unknown | 1.09 (1.00–1.19) | 1.20 (0.99–1.45) | 1.78 (1.22–2.60) | 1.27 (0.77–2.11) |
| PSA (per 1 ng/mL) | 0.98 (0.97–0.99) | 1.01 (0.99–1.03) | 0.97 (0.95–0.99) | 1.00 (0.96–1.03) |
| Number of positive cores | ||||
| 3 or more positive cores | Reference | Reference | Reference | Reference |
| 2 or less positive cores | 3.33 (3.14–3.53) | 3.41 (3.05–3.81) | 3.64 (3.28–4.04) | 3.44 (2.90–4.07) |
| Unknown | 1.20 (1.11–1.30) | 1.50 (1.31–1.73) | 1.67 (1.46–1.91) | 1.35 (1.04–1.74) |
| Socioeconomic status | ||||
| Low SES | Reference | Reference | Reference | Reference |
| High SES | 1.47 (1.39–1.55) | 1.57 (1.36–1.81) | 1.24 (1.13–1.37) | 0.85 (0.73–0.98) |
| Insurance | ||||
| Insured | Reference | Reference | Reference | Reference |
| Medicaid | 0.76 (0.66–0.88) | 1.26 (0.97–1.64) | 0.79 (0.61–1.01) | 1.22 (0.84–1.79) |
| Uninsured | 1.16 (0.83–1.63) | 4.17 (3.01–5.78) | 1.48 (1.03–2.12) | 1.29 (0.62–2.72) |
| Unknown | 1.67 (1.43–1.95) | 0.59 (0.52–0.67) | 1.26 (1.03–1.55) | 3.18 (2.37–4.26) |
*
separate multivariable logistic regression analysis assessing receipt of active surveillance in the overall cohort including region as a variable.