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. 2015 Sep 9;4(5):225–232. doi: 10.1007/s40037-015-0214-8

Table 2.

Mixed effects model estimates for bag-mask ventilation skills checklist

Parameter 95 % Confidence interval
Fixed effects β (SE) Lower Upper
Intercept 0.47 (0.22) 0.04 0.91
Profession (Physician vs Nurse) 1.63 (0.33) 0.98 2.27

Measurement occasion

(Pre to post test change in score)

5.35 (0.30) 4.76 5.94
Profession by measurement occasion − 1.08 (0.44) − 1.96 − 0.19
Covariance Estimate (SE) Lower Upper
Repeated measurement within subjects 0.10 (0.21) − 0.32 0.52
Residual 1.64 (0.28) 1.20 2.37