218 Chapter 7 Table 5. Linear regression showing the effect of all outcome measures at the supervisor level before (TO), directly after (T1) and 3 (T2) and 6 months (T3) after the end of the training Outcome Model 1: Unadjusted Model 2: Adjusted model N Mean (SD) β 95%-CI P-value β 95%-CI P-value Knowledge T0 (reference category) T1 T2 T3 127 95 91 87 3.35 (0.79) 4.14 (0.63) 4.22 (0.64) 4.23 (0.62) 0.77 0.87 0.89 0.62 to 0.92 0.72 to 1.03 0.74 to 1.05 0.000 0.000 0.000 0.77* 0.87* 0.89* 0.62 to 0.92* 0.72 to 1.03* 0.74 to 1.05* 0.000* 0.000* 0.000* Self-efficacy Attitude T0 (reference category) T1 T2 T3 Skills T0 (reference category) T1 T2 T3 127 95 91 87 127 95 91 87 4.23 (0.64) 4.52 (0.54) 4.56 (0.58) 4.59 (0.54) 3.84 (0.68) 4.33 (0.53) 4.32 (0.61) 4.32 (0.66) 0.29 0.32 0.36 0.49 0.48 0.49 0.15 to 0.43 0.18 to 0.47 0.22 to 0.51 0.34 to 0.63 0.36 to 0.63 0.34 to 0.64 0.000 0.000 0.000 0.000 0.000 0.000 0.29* 0.32* 0.36* 0.49* 0.48* 0.49* 0.15 to 0.43* 0.18 to 0.47* 0.22 to 0.51* 0.34 to 0.63* 0.36 to 0.63* 0.34 to 0.64* 0.000* 0.000* 0.000* 0.000* 0.000* 0.000*
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