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Table 3 Multivariate linear regression models for the total NSCLC treatment cost logarithm – INCA, 2011 (n = 251)

From: “Factors associated with non-small cell lung cancer treatment costs in a Brazilian public hospital”

  Model 1 Model 2 Model 3 Model 4 Model 5 Model 6
Age at diagnosis −0.013 (0.005) *** − 0.011 (0.005) ** − 0.011 (0.005) ** −0.010 (0.005) ** − 0.007 (0.004) −0.004 (0.003)
Man 0.069 (0.095) 0.044 (0.096) 0.058 (0.100) 0.059 (0.097) 0.068 (0.077) 0.039 (0.064)
Color/race (reference: White)
 Black −0.027 (0.202) −0.025 (0.202) − 0.005 (0.203) −0.017 (0.196) − 0.019 (0.155) 0.044 (0.128)
 Mixed −0.054 (0.094) −0.022 (0.094) − 0.017 (0.094) 0.004 (0.090) 0.026 (0.071) 0.012 (0.059)
Marital Status (reference: Married/Consensual Union)
 Divorced/Separated 0.257 (0.159) 0.231 (0.160) 0.227 (0.162) 0.243 (0.156) 0.163 (0.124) 0.179 (0.104)
 Widower 0.155 (0.161) 0.177 (0.161) 0.190 (0.162) 0.169 (0.156) 0.241 (0.123) 0.117 (0.104)
 Single −0.057 (0.122) −0.035 (0.121) −0.025 (0.121) 0.028 (0.118) 0.064 (0.093) 0.030 (0.077)
Education (reference: Illiterate)
 Elementary – Incomplete   0.456 (0.193) ** 0.429 (0.196) ** 0.462 (0.189) ** 0.235 (0.149) 0.191 (0.124)
 Elementary – Complete   0.444 (0.202) ** 0.441 (0.205) ** 0.407 (0.198) ** 0.222 (0.157) 0.162 (0.130)
 High School – Complete   0.503 (0.222) ** 0.489 (0.225) ** 0.479 (0.219) ** 0.272 (0.174) 0.249 (0.144)
 Higher Education – Complete   0.705 (0.260) *** 0.700 (0.261) *** 0.799 (0.253) *** 0.514 (0.200) ** 0.408 (0.166) **
Alcohol consumption (reference: No)
 Yes    0.031 (0.094) 0.028 (0.092) 0.049 (0.072) 0.004 (0.060)
 Ignored    −0.216 (0.209) −0.208 (0.203) −0.181 (0.159) −0.149 (0.133)
Tobacco use history    −0.260 (0.146) −0.243 (0.141) − 0.289 (0.111) ** −0.143 (0.095)
With comorbidity     0.085 (0.085) 0.017 (0.068) −0.037 (0.056)
Performance Status (reference: PS 0)
PS 1     −0.064 (0.129) −0.065 (0.101) − 0.018 (0.086)
PS2     −0.441 (0.139) *** −0.322 (0.110) *** − 0.148 (0.096)
Staging IV     −0.183 (0.089) ** −0.111 (0.071) − 0.009 (0.060)
Hospitalization      0.431 (0.068) *** 0.631 (0.061) ***
Chemotherapy/Radiotherapy      0.923 (0.097) *** 0.734 (0.084) ***
Death period (reference: less than 3 months)
 From 3 to 6 months       0.036 (0.082)
 From 6 to 9 months       0.259 (0.095) ***
 From 9 to 12 months       0.331 (0.105) ***
 From 12 to 18 months       0.362 (0.103) ***
 Over 18 months       0.951 (0.102) ***
Constant 5.866 (0.287) *** 5.280 (0.366) *** 5.517 (0.388) *** 5.705 (0.401) *** 4.574 (0.329) *** 4.067 (0.279) ***
Adjusted R2 0.016 0.032 0.038 0.111 0.449 0.622
  1. Source: Authors’ own work
  2. **p-value < 0.05 ***p-value < 0.01
  3. Standard deviation between brackets