Table 2

Predictors of Doctor Rating using Mixed Model Regression (N = 5003)^§

Dependent Variable⇒ Predictor Variables ⇓

Doctor Care Score β (se)

Intercept

37.00 (1.74)***

Age^§§

0.082 (0.036)*

Male Gender

-0.22 (0.88)

First visit to office

-12.57 (1.74)***

Routine exam or check-up

4.97 (0.84)***

Waiting time^§§

-0.39 (0.021)***

Visit time^§§

3.78 (0.089)***

Interaction First visit with Waiting time

-0.14 (0.049)**

Adjusted R²

0.43

Notes:

*P < 0.05 level, **P < 0.01, *** P < 0.001

^§ Includes a random effect for subject.

^§§ Continuous approximation.

Anderson et al. BMC Health Services Research 2007 7:31   doi:10.1186/1472-6963-7-31