Table 4.
Univariate association of selected variables with 1-month decisional conflict score and final multivariable model, ANCOVA approach (N=276)
| Univariate Association | Multivariable model+ | |||
|---|---|---|---|---|
| Estimate (95% CI) | P-value | LS mean (95% CI) | P-value | |
| Study groups: P3P vs UC | −0.96 | 0.63 | −5.00 (−9.40, −0.59) | 0.03 |
| Age: <60 vs. ≥ 60 | 0.37 | |||
| Education: > HS vs. ≤ HS | 0.53 | |||
| Married/partnered vs. others | 0.89 | 5.18 (1.11, 9.26) | 0.01 | |
| Not working vs. working | 3.87 (−0.11, 7.85) | 0.06 | ||
| Household income: ≤ 39,999 vs. >39,999 |
7.36 (2.53, 12.19) | 0.003 | 8.69 (4.43, 12.96) | <.0001 |
| Race: White vs. non-white | 0.15 | |||
| Web as information source: No vs. Yes |
0.48 | |||
| Decided at 1-month: No vs. Yes |
20.65 (16.42, 24.89) | <.0001 | 20.11(16.10, 24.13) | <.0001 |
| D’Amico risk: Low vs. high/intermediate |
4.07 (−0.05, 8.18) | 0.05 | 4.29 (0.80, 7.78) | 0.02 |
| Consults: < 2 vs. ≥ 2 | 8.78 (4.17, 13.38) | 0.0002 | 6.04 (1.83, 10.26) | 0.005 |
| Clinic+ (UVA as reference) | 0.05 | 0.02 | ||
| ATLVA | 1.28 (−11.04, 13.60) | 1.07 (−9.27, 11.41) | ||
| BIDMC | 2.13 (−6.71, 10.98) | 3.52 (−3.60, 10.65) | ||
| DMC | 6.56 (−5.74, 18.87) | 6.39 (−3.56, 16.34) | ||
| EUH | 10.41 (1.21, 19.61) | 11.02 (3.49, 18.56) | ||
| GMH | 7.76 (−5.34, 20.86) | 3.37 (−8.63, 15.36) | ||
| LAMC | 5.07 (−4.87, 15.01) | 4.75 (−3.66, 13.15) | ||
| SJH | 0.85 (−8.34, 10.05) | 3.15 (−4.39, 10.69) | ||
| Study group & marital status† | 0.06 | |||
| Study group & number of consults† | 0.07 | |||
†
Interaction effects are illustrated in Figure 2
+
Three clinics with fewer than 10 participants each were excluded
HS=high school, LS=least square; UVA= University of Virginia, ATLVA= Atlanta Veterans Administration, BIDMC=Beth Israel Deaconess Medical Center, DMC= Downey Medical Center, EUH= Emory University Hospital, GMH=Grady Memorial Hospital, LAMC=Los Angeles Medical Center, SJH= St. Joseph’s Hospital