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Table 5 Model fitting results of the multilevel analyses for the domains communication with doctor, communication with nurses, communication about new medication, and pain control, and for the global rating of hospitals (standard errors added in parentheses).

From: The Consumer Quality Index Hip Knee Questionnaire measuring patients' experiences with quality of care after a total hip or knee arthroplasty

Outcome variable

intercept

β age1

β gender1

β education1

β physical health1

β mental health1

Var patients

Var hospital

Var tot2

PCV3

ICC4

Doctor (N = 1469)

           

Model 1

3.523 (0.022)*

-

-

-

-

-

0.290 (0.011)*

0.011 (0.005)*

0.301

reference

0.04

Model 2

3.632 (0.048)*

-0.021 (0.032)

-0.059 (0.031)

0.021 (0.032)

-0.139 (0.045)*

-0.152 (0.034)*

0.279 (0.010)*

0.010 (0.004)*

0.289

4.2%

0.03

Nurses (N = 1507)

           

Model 1

3.508 (0.018)*

-

-

-

-

-

0.205 (0.008)*

0.007 (0.003)*

0.212

reference

0.03

Model 2

3.675 (0.038)*

-0.031 (0.026)

-0.081 (0.026)*

-0.024 (0.026)

-0.148 (0.037)*

-0.158 (0.028)*

0.193 (0.007)*

0.005 (0.002)*

0.198

7.1%

0.03

Medication (N = 630)

           

Model 1

2.896 (0.043)*

-

-

-

-

-

1.142 (0.064)*

0.000 (0.000)

1.142

reference

n.c.

Model 2

3.082 (0.139)*

-0.169 (0.090)

-0.163 (0.094)

0.187 (0.100)

-0.331 (0.133)*

-0.171 (0.101)

1.087 (0.061)*

0.000 (0.000)

1.087

5.1%

n.c.

Pain control (N = 1484)

           

Model 1

3.594 (0.018)*

-

-

-

-

-

0.357 (0.013)*

0.003 (0.003)

0.360

reference

n.c.

Model 2

3.632 (0.050)*

0.008 (0.035)

-0.023 (0.035)

0.028 (0.036)

-0.120 (0.050)*

-0.101 (0.038)*

0.352 (0.013)*

0.001 (0.002)

0.353

2.0%

n.c.

Rating hospital (N = 1490)

           

Model 1

8.422 (0.046)*

-

-

-

-

-

1.818 (0.067)*

0.031 (0.018)*

1.849

reference

n.c.

Model 2

8.789 (0.113)*

0.094 (0.078)

-0.135 (0.078)

-0.228 (0.080)*

-0.265 (0.112)*

-0.440 (0.085)*

1.744 (0.065)*

0.023 (0.016)*

1.767

4.6%

n.c.

  1. *p < 0.05
  2. 1Reference group age = younger than 65; reference group gender = males; reference group education = low education; reference group physical health = good physical health; reference group mental health = good mental health.
  3. 2Var tot (total variance) = Var patients + Var hospital
  4. 3PCV (proportional change in variance) = (Var tot model 1 - Var tot model 2)/(Var tot model 2) * 100%
  5. 4ICC (intra-class correlation) = Var hospital/(Var patients + Var hospital)
  6. n.c. = not calculated. The variance explained by the hospital level is not significant and, therefore, the ICC is not calculated.