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Table 6 Multivariable analysis for the Press Ganey Total Score Forward Selection

From: Evaluating the impact of social deprivation on Press Ganey® Outpatient Medical Practice Survey Scores

Factor*

Odds ratio (OR)

Coefficient

Coefficient standard error

p value

OR

95% confidence interval

Age

1.013

(1.011 · 1.014)

0.012

0.001

 < 0.001

Area deprivation Indexc

0.999

(0.998 · 1.000)

 − 0.001

 < 0.001

0.008

Insurance

 Commercial

Reference category

 Medicaid

1.324

(1.142 · 1.536)

0.281

0.075

 < 0.001

 Medicare

1.078

(1.022 · 1.137)

0.075

0.027

0.006

 Other Government Insurance

1.137

(1.077 · 1.201)

0.129

0.028

 < 0.001

 Workers' Compensation

0.786

(0.514 · 1.201)

 − 0.241

0.216

0.265

Race

0.001

 White

Reference category

 Other

1.106

(1.025 · 1.193)

0.100

0.039

0.009

 Asian

0.765

(0.672 · 0.871)

 − 0.267

0.066

 < 0.001

 Black or African American

1.012

(0.813 · 1.260)

0.012

0.112

0.915

 American Indian and Alaska Native

0.803

(0.603 · 1.096)

 − 0.207

0.153

0.174

 Native Hawaiian and Other Pacific Islander

1.612

(1.249 · 2.081)

0.477

0.130

 < 0.001

Provider type

 < 0.001§

 Physician

Reference category

 Nurse

1.048

(0.964 · 1.140)

0.047

0.043

0.271

 Other

1.069

(0.988 · 1.156)

0.067

0.040

0.095

 Physician Assistant

1.169

(1.098 · 1.244)

0.156

0.031

 < 0.001

Wait time||

0.937

(0.935 · 0.939)

 − 0.066

0.001

 < 0.001

Specialty type

 Internal medicine

Reference category

 Medicine other

0.932

(0.885 · 0.981)

 − 0.070

0.026

0.008

 Surgical

1.002

(0.950 · 1.057)

0.002

0.027

0.934

  1. Bolded p-values denote statistial significance
  2. *Sex was included as a predictor in the model, but was insignificant based on forward step-wise term selection threshold of α = 0.10
  3. Per 5 years of additional age
  4. Per additional 10 percentile points
  5. §p values for the overall univariate binary logistic regression model. Subsequent p values listed are for pairwise comparisons
  6. ||Per additional 5 min
  7. cp-values for the variable category in the multivariable binary logistic regression model. Subsequent p-values listed are for individual comparisons