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Table 4 Odds ratio (95% confidence interval) results for 5 logistic regression models

From: Controlling for race/ethnicity: a comparison of California commercial health plans CAHPS scores to NCBD benchmarks

  Model dependent variable - Global Ratings
Independent variable Doctor Plan Care
Age    
   18 - 34 years 0.78 (0.76-0.81) 0.78 (0.76-0.81) 0.66 (0.64-0.69)
   35 - 64 yearsR 1.00 1.00 1.00
   ≥ 65 years 1.56 (1.49-1.63) 2.63 (2.52-2.75) 1.81 (1.72-1.90)
General Health Rating    
   Poor 0.85 (0.76-0.95) 0.72 (0.65-0.80) 0.49 (0.44-0.55)
   Fair 0.75 (0.71-0.79) 0.66 (0.63-0.70) 0.53 (0.50-0.55)
   Good 0.78 (0.76-0.80) 0.71 (0.68-0.73) 0.66 (0.64-0.68)
   Very GoodR 1.00 1.00 1.00
   Excellent 1.47 (1.42-1.53) 1.57 (1.52-1.63) 1.64 (1.57-1.70)
Education    
   < 8th grade 1.09 (0.95-1.23) 1.32 (1.16-1.49) 1.09 (0.95-1.24)
   Some high school 1.21 (1.12-1.31) 1.34 (1.24-1.44) 1.33 (1.22-1.44)
   High school graduateR 1.00 1.00 1.00
   Some college 0.88 (0.85-0.91) 0.74 (0.71-0.76) 0.85 (0.82-0.88)
   BA/BS college degree 0.72 (0.69-0.75) 0.55 (0.53-0.57) 0.67 (0.64-0.70)
   Graduate school 0.73 (0.70-0.76) 0.50 (0.48-0.52) 0.67 (0.64-0.70)
Individual health plan    
   254 plans not included due to size constraints
Time in plan    
   < 1 year 0.80 (0.74-0.87) 0.65 (0.59-0.70) 0.78 (0.71-0.85)
   1 to < 2 years 0.82 (0.79-0.86) 0.72 (0.69-0.75) 0.82 (0.78-0.85)
   2 to < 5 years 0.83 (0.81-0.86) 0.78 (0.75-0.80) 0.84 (0.82-0.87)
   ≥ 5 yearsR 1.00 1.00 1.00
Race/Ethnicity    
   Asian 0.88 (0.82-0.95) 0.96 (0.89-1.03) 0.77 (0.71-0.83)
   Black 1.30 (1.23-1.37) 1.37 (1.30-1.44) 1.17 (1.11-1.24)
   Hispanic 1.14 (1.08-1.21) 1.33 (1.26-1.39) 1.07 (1.01-1.13)
   Other 1.15 (1.06-1.23) 0.96 (0.90-1.03) 0.90 (0.83-0.97)
   WhiteR 1.00 1.00 1.00
Gender    
   Female 1.16 (1.13-1.19) 1.13 (1.10-1.16) 1.07 (1.04-1.10)
   MaleR 1.00 1.00 1.00
  Model dependent variable - Composites
Independent variable Communication Staff  
Age    
   18 - 34 years 0.75 (0.73-0.78) 0.69 (0.67-0.72)  
   35 - 64 yearsR 1.00 1.00  
   ≥ 65 years 1.32 (1.25-1.38) 1.70 (1.61-1.81)  
General Health Rating    
   Poor 0.40 (0.36-0.45) 0.53 (0.47-0.59)  
   Fair 0.50 (0.47-0.52) 0.61 (0.58-0.65)  
   Good 0.66 (0.64-0.68) 0.75 (0.73-0.78)  
   Very GoodR 1.00 1.00  
   Excellent 1.64 (1.57-1.71) 1.38 (1.32-1.45)  
Education    
   < 8th grade 1.11 (0.97-1.28) 0.90 (0.77-1.05)  
   Some high school 1.17 (1.07-1.27) 1.18 (1.07-1.30)  
   High school graduateR 1.00 1.00  
   Some college 0.85 (0.82-0.88) 0.81 (0.78-0.84)  
   BA/BS college degree 0.73 (0.70-0.76) 0.69 (0.66-0.72)  
   Graduate school 0.72 (0.69-0.75) 0.65 (0.62-0.68)  
Individual health plan    
   254 plans not included due to size constraints
Time in plan    
   < 1 year 0.91 (0.83-1.00) 0.88 (0.80-0.97)  
   1 to < 2 years 0.87 (0.84-0.91) 0.90 (0.85-0.94)  
   2 to < 5 years 0.91 (0.88-0.94) 0.92 (0.89-0.95)  
   ≥ 5 yearsR 1.00 1.00  
Race/Ethnicity    
   Asian 0.72 (0.66-0.78) 0.53 (0.49-0.58)  
   Black 1.28 (1.21-1.36) 1.15 (1.09-1.23)  
   Hispanic 1.05 (1.00-1.12) 0.90 (0.85-0.95)  
   Other 0.97 (0.90-1.05) 0.87 (0.80-0.95)  
   WhiteR 1.00 1.00  
Gender    
   Female 0.84 (0.82-0.87) 0.82 (0.79-0.84)  
   MaleR 1.00 1.00  
  1. R denotes the referent group
  2. Note: All independent variables were significant with p < 0.001