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Table 1 Correlates of being undecided versus decided regarding each intervention: multivariable logistic regression model results for each intervention.

From: Preferences for active and aggressive intervention among patients with advanced cancer

  Chemo- Therapy N = 380 Anti- biotics N = 380 Anti- coagulants N = 380 Blood transfusion N = 380 Feeding tubes N = 380 Artificial hydration N = 380
Number (%) undecided about intervention 89 (23.4) 56 (14.7) 51 (13.4) 40 (10.5) 15 (3.9) 51 (13.4)
Age       
Odds ratio: per 10 yr increase 0.94 1.03 0.84 1.09 1.04 1.01
P-value 0.512 0.784 0.148 0.542 0.865 0.917
Gender       
Odds ratio: Male vs. Female 1.31 1.96 1.23 1.61 1.38 2.61
P-value 0.347 0.054 0.563 0.248 0.588 0.011
Race       
Odds ratio: Non- vs. Caucasian 0.75 1.77 1.46 1.81 1.67 2.44
P-value 0.462 0.168 0.374 0.214 0.481 0.034
Cancer Diagnosis       
Odds ratio:       
   Lung vs. GI 1.2 0.97 0.97 1.9 1.62 1.04
   GU vs. GI 1.29 0.54 0.98 1.38 1.21 1.1
   Breast vs. GI 1.1 1.62 0.85 2.07 0 1.72
   Hematologic vs. GI 2.23 2.06 0.89 1.8 2.25 2.56
   GYN vs. GI 3.26 2.36 1.89 3.16 1.39 2.37
   Other vs. GI 1.56 0.65 0.59 0.49 1.49 0.56
P-value 0.395 0.349 0.804 0.218 0.882 0.317
PPSv2       
Odds ratio: per 10 unit increase 0.91 1.01 0.77 0.99 1.07 0.83
P-value 0.433 0.964 0.083 0.971 0.801 0.214
CCI       
Odds ratio: per unit increase 0.92 0.89 0.9 0.96 0.83 0.9
P-value 0.104 0.066 0.123 0.553 0.073 0.117
Decision maker       
Odds ratio:       
   Pat/SDM vs. Pat 1.09 1.69 1.21 1.7 1.2 1.7
   SDM vs. Pat 1.42 1.28 0.5 1.22 2.8 0.82
P-value 0.701 0.445 0.137 0.504 0.498 0.177
Model P-value 0.147 0.291 0.430 0.491 0.688 0.037