TABLE 5.
Beta Coefficients and 95% CI of Association Between Additional Prostate Cancer Social Support Wanted and Health-Related Quality-of-Life Outcomes Using EPIC Subscales
| Hormonal | Sexual | Bowel | Urinary | |||||
|---|---|---|---|---|---|---|---|---|
| Characteristic | Coeff | 95% CI | Coeff | 95% CI | Coeff | 95% CI | Coeff | 95% CI |
| Additional prostate cancer support wanted | −1.65* | [−3.22, −0.09] | −2.7** | [−4.67, −0.72] | −1.28* | [−2.45, −0.11] | −1.72 | [−3.48, 0.04] |
| Age (centered at mean) | 0.02 | [−0.32, 0.36] | −0.56* | [−0.99, −0.13] | 0.15 | [−0.1, 0.4] | −0.2 | [−0.58, 0.18] |
| Some college or less (ref: graduate degree) | −2.15 | [−8.35, 4.04] | −3.36 | [−11.15, 4.43] | 0.46 | [−4.16, 5.09] | −0.59 | [−7.53, 6.36] |
| Bachelor’s degree (ref: graduate degree) | 0.97 | [−4.54, 6.49] | 1.24 | [−5.7, 8.18] | 2.36 | [−1.75, 6.48] | 2.94 | [−3.24, 9.12] |
| Non-Hispanic White (ref: Hispanic or non-White) | 6.03 | [−1.45, 13.52] | 5.95 | [−3.47, 15.37] | 1.37 | [−4.22, 6.96] | 4.17 | [−4.22, 12.56] |
| In a relationship (ref: single) | −0.95 | [−5.91, 4.01] | 0.92 | [−5.32, 7.17] | −2.61 | [−6.32, 1.09] | −1.1 | [−6.67, 4.46] |
| Gay (ref: bisexual) | −5.17 | [−13.84, 3.51] | −0.51 | [−11.42, 10.41] | 7.25* | [0.78, 13.73] | 1.09 | [−8.63, 10.82] |
| Systemic treatment (ref: surgery) | −10.67*** | [−16.57, −4.78] | −14.19*** | [−21.61, −6.78] | −8.57*** | [−12.97, −4.17] | −2.38 | [−8.99, 4.22] |
| Radiation or brachytherapy (ref: surgery) | −5.74 | [−12.31, 0.84] | −0.28 | [−8.55, 7.99] | −7.68** | [−12.59, −2.78] | 3.27 | [−4.1, 10.63] |
| Years since diagnosis (centered at mean) | −0.26 | [−0.85, 0.32] | 0.2 | [−0.54, 0.94] | −0.19 | [−0.63, 0.25] | −0.06 | [−0.71, 0.6] |
| PSA level at diagnosis | −0.03 | [−0.46, 0.4] | 0.16 | [−0.38, 0.7] | −0.01 | [−0.33, 0.31] | −0.15 | [−0.63, 0.33] |
| Intercept | 88.54*** | [76.93, 100.14] | 48.7*** | [34.1, 63.29] | 86.04*** | [77.38, 94.7] | 75.64*** | [62.63, 88.65] |
*
p < 0.05;
**
p < 0.01;
***
p < 0.001
CI—confidence interval; coeff—beta coefficient; EPIC—Expanded Prostate Cancer Index Composite; PSA—prostate-specific antigen; ref—reference group for categorical/binary variables
Note. Intercept represents referent participant, a 63.5-year-old, non-Hispanic White, married, gay man who had surgery and is 5.8 years since diagnosis, with a PSA level at diagnosis of 7.6 ng/ml and high social support.