Table 4.

Linear regression model predicting Step 2 CK performance (N = 118)

Predictor variables	Regression coefficient, b (SE)	β	95% confidence interval	p value
Step 1	0.43 (0.07)	0.47	0.28–0.57	< 0.001
Shelf-exam (percentile score)	0.18 (0.05)	0.32	0.09–0.26	< 0.001
No. of hours reading for exam study	0.30 (0.12)	0.19	0.07–0.54	0.01
No. of hours reading for patient care	−0.41 (0.21)	−0.16	−0.82–0.01	0.06
No. of hours reading for knowledge	0.12 (0.21)	0.04	−0.29–0.53	0.57
Reading for pleasure during clerkship (never/rarely vs. weekly/several times/daily)	2.66 (2.15)	0.09	−1.59–6.91	0.22
Reading for pleasure during breaks (never/rarely vs. weekly/several times/daily)	-1.99 (2.41)	-0.06	−6.75–2.78	0.41

Adjusted R² = 0.51, F(7,110) = 18.57, p < 0.001

SE = standard error