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Table 6 Covariate fixed effects from multilevel discrete-time and Bayesian spatial survival models

From: Comparing multilevel and Bayesian spatial random effects survival models to assess geographical inequalities in colorectal cancer survival: a case study

Variable Multilevel model: OR (95% CrI)1 Spatial model: RR (95%CrI)2
Area-level variables   
Area-Remoteness Index of Australia   
Major city 1.00 1.00
Inner regional 0.95 (0.88, 1.02) 0.98 (0.89, 1.07)
Outer regional 1.09 (1.01, 1.18) 1.06 (1.01, 1.19)
Remote 1.15 (1.02, 1.28) 1.09 (1.01, 1.21)
Relative socioeconomic advantage and disadvantage   
Most advantaged 1.00 1.00
Advantaged 1.14 (1.03, 1.23) 1.08 (1.01, 1.17)
Middle 1.18 (1.08, 1.29) 1.15 (1.06, 1.25)
Disadvantaged 1.22 (1.11, 1.34) 1.17 (1.07, 1.28)
Most disadvantaged 1.23 (1.10, 1.36) 1.18 (1.07, 1.32)
Individual-level variables modeled at unit record modeled as aggregated data
Age group   
20 to 49 0.24 (0.21, 0.27) 0.29 (0.26, 0.32)
50 to 59 0.29 (0.26, 0.32) 0.35 (0.32, 0.38)
60 to 69 0.42 (0.39, 0.46) 0.48 (0.45, 0.52)
70-79 0.68 (0.63, 0.73) 0.73 (0.69, 0.77)
80-85 1.00 1.00
Gender   
Male 1.00 1.00
Female 1.08 (1.02, 1.14) 1.07 (1.02, 1.13)
Marital status   
Married 1.00 1.00
Never married/single 1.33 (1.21, 1.46) 1.31 (1.20, 1.40)
Widowed 1.11 (1.03, 1.19) 1.09 (1.02, 1.15)
Divorced 1.18 (1.08, 1.29) 1.16 (1.08, 1.25)
Separated 0.94 (0.77, 1.13) 0.95 (0.81, 1.15)
Not stated 1.32 (1.02, 1.68) 1.36 (1.08, 1.69)
Occupation category   
Professional 1.00 1.00
White collar 1.11 (1.02, 1.20) 1.07 (1.01, 1.15)
Blue collar 1.38 (1.29, 1.49) 1.29 (1.22, 1.37)
Not in labor force 0.46 (0.43, 0.50) 0.52 (0.49, 0.56)
Not stated/Inadequately described 0.35 (0.32, 0.39) 0.39 (0.35, 0.42)
Country of birth   
Australia 1.00 1.00
Other English-speaking 0.96 (0.90, 1.02) 0.95 (0.92, 1.00)
Non-English-speaking 0.88 (0.76, 0.97) 0.87 (0.78, 0.98)
Indigenous status   
Non Indigenous 1.00 1.00
Indigenous 1.16 (0.89, 1.49) 1.12 (0.97, 1.38)
Not stated 0.45 (0.39, 0.51) 0.48 (0.42, 0.54)
Site   
Proximal (R) colon 1.02 (1.01, 1.08) 1.06 (1.01, 1.11)
Distal (L) colon 1.03 (0.96, 1.10) 1.07 (1.01, 1.13)
Colon NOS 1.04 (1.01, 1.16) 1.08 (1.00, 1.18)
Rectal 1.00 1.00
Stage   
Stage I 1.00 1.00
Stage II 1.61 (1.47, 1.77) 1.57 (1.44, 1.71)
Stage III 3.17 (2.91, 3.45) 2.85 (2.64, 3.10)
Stage IV 11.41 (10.30, 12.57) 7.88 (7.23, 8.59)
Unknown stage 2.09 (1.86, 2.34) 2.10 (1.91, 2.32)
Differentiation   
Well differentiated 1.00 1.00
Moderately differentiated 1.14 (1.01, 1.29) 1.18 (1.06, 1.32)
Poorly differentiated 1.64 (1.44, 1.87) 1.65 (1.47, 1.85)
Not stated differentiation 1.25 (1.09, 1.43) 1.35 (1.20, 1.52)
Surgical margins   
Clear 1.00 1.00
Positive 1.42 (1.19, 1.66) 1.37 (1.19, 1.57)
Unknown margin 1.84 (1.68, 2.01) 1.73 (1.61, 1.85)
  1. CrI Credible Interval OR Odds Ratios, RR Relative Risk ratios.
  2. 1. Estimates derived from best fitting fully adjusted Model 5 as described in text.
  3. 2. Estimates derived from best fitting fully adjusted Model 11 as described in text.