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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