Table 2

ICC between test 1 and test 2 per station, individual and across sites

ICC per station (total scores) at T1 and T2 per site
Test bed siteICC T1 and T295% CIP value
US n=26
Station 10.770.38 to 0.870.001
Station 20.60.06 to 0.810.008
Station 30.780.49 to 0.890
Station 40.750.45 to 0.890
UK2 n=17
Station 10.80.30 to 0.870.001
Station 20.790.44 to 0.930.001
Station 30.910.74 to 0.970
Station 40.740.29 to 0.910.005
UK1 n=14
Station 10.430.79 to 0.820.164
Station 20.520.49 to 0.850.098
Station 30.730.16 to 0.910.012
Station 40.020.16 to 0.730.374
ICC of total scores per site
Test siteT1 mean (SD)T2 mean (SD)ICC of total scores per student (95% CI)ICC average (95% CI)P value
US n= 26104.3 (5.49)102.9 (7.93)0.65 (0.35 to 0.82)0.79 (0.52 to 0.90)<0.001
UK2 n= 17100.2 (7.84)99.7 (6.32)0.81 (0.55 to 0.93)0.89 (0.71 to 0.96)<0.001
UK1 n= 1497.3 (6.91)99.2 (9.40)0.62 (0.15 to 0.86)0.76 (0.27 to 0.92)0.007
All sites n= 57101.4 (7.1)101.0 (7.9)0.70 (0.54 to 0.81)0.82 (0.70 to 0.90)<0.001