Table 3.

Multiple linear regression analysis of the difference in scores on objective competence and self-perceived competence at follow-up between the intervention and control groups, adjusted for baseline competence

	Baseline ratings	Difference between groups at follow-up
	Mean (95% C.I)	Mean (95% C.I)	p-value
Objective Competence*
Overall cognitive therapy skills
Control	26.36 (23.81, 28.91)	14.20 (7.38, 21.02)	<0.001
Intervention	28.34 (22.39, 34.30)
Subscales
General Therapeutic Skills
Control	15.57 (13.34, 17.80)	7.86 (3.81, 11.90)	<0.001
Intervention	16.56 (13.46, 19.66)
Conceptualisation, Strategy and Technique
Control	10.79 (9.58, 11.99)	6.34 (2.73, 9.96)	<0.001
Intervention	11.78 (8.77, 14.79)
Self-perceived Competence+
Overall mean confidence across all strategies
Control	1.27 (0.94, 1.61)	1.28 (0.84, 1.72)	<0.001
Intervention	1.69 (1.26, 2.11)
Individual skill areas
Basic overall skills in CBT
Control	1.07 (0.54, 1.60)	1.59 (1.05, 2.13)	<0.001
Intervention	1.44 (0.85, 2.02)
Structured problem solving
Control	1.43 (0.99, 1.87)	1.49 (0.87, 2.12)	<0.001
Intervention	1.88 (1.23, 2.52)
Slow breathing
Control	1.14 (0.59, 1.69)	1.16 (0.65, 1.68)	<0.001
Intervention	1.69 (1.05, 2.32)
Activity planning
Control	1.21 (0.81, 1.62)	1.37 (0.76, 1.98)	<0.001
Intervention	1.63 (1.01, 2.24)
Psychosocial assessment
Control	2.29 (1.63, 2.94)	0.84 (0.29, 1.39)	0.004
Intervention	2.75 (2.18, 3.32)
Sleep wake cycle management
Control	0.50 (0.61, 0.94)	1.68 (1.09, 2.28)	<0.001
Intervention	0.75 (0.39, 1.11)

* Video-taped standardised simulated consultations rated by blinded reviewers using the 66-item Cognitive Therapy Scale

⁺ Self-reported level of confidence in using cognitive behavioural strategies; Likert scales from 0 (not at all confident) to 4 (extremely confident).