Effectiveness of a theory-based multicomponent intervention (Movement Coaching) on the promotion of total and domain-specific physical activity: a randomised controlled trial in low back pain patients

Table 5 Repeated measure effects: within subject significance values and group interaction (base case and intention-to-treat analysis (ITT))

	F	p	Ŋ²
Base case¹ (n = 144)
Total physical activity
Time effect	5.69	0.01 ^*	0.05
Interaction (Time*Group)	1.17	0.30	0.11
Time effect Movement Coaching	3.44	0.04*	0.06
Time effect control group	0.70	0.50	0.01
Workplace physical activity
Time effect	1.38	0.25	0.12
Interaction (Time*Group)	0.45	0.60	0.00
Time effect Movement Coaching	1.75	0.18	0.03
Time effect control group	0.35	0.71	0.01
Leisure time physical activity
Time effect	0.81	0.43	0.01
Interaction (Time*Group)	0.54	0.55	0.00
Time effect Movement Coaching	1.29	0.28	0.02
Time effect control group	0.09	0.91	0.00
Transportation physical activity
Time effect	0.77	0.46	0.04
Interaction (Time*Group)	4.59	0.01*	0.04
Time effect Movement Coaching	1.49	0.23	0.02
Time effect control group	3.44	0.04*	0.05
ITT_LOCF ² (n = 412)
Total physical activity
Time effect	5.65	0.01*	0.01
Interaction (Time*Group)	2.19	0.13	0.01
Time effect Movement Coaching	4.30	0.01*	0.02
Time effect control group	0.67	0.51	0.00
Workplace physical activity
Time effect	4.04	0.03*	0.10
Interaction (Time*Group)	2.12	0.13	0.01
Time effect Movement Coaching	4.15	0.02*	0.02
Time effect control group	0.32	0.73	0.00
Leisure time physical activity
Time effect	2.58	0.09	0.01
Interaction (Time*Group)	0.16	0.81	0.00
Time effect Movement Coaching	1.40	0.25	0.01
Time effect control group	0.58	0.56	0.00
Transportation physical activity
Time effect	1.51	0.22	0.04
Interaction (Time*Group)	3.19	0.50	0.01
Time effect Movement Coaching	0.41	0.67	0.00
Time effect control group	3.62	0.03*	0.02

^*significant at the significance level < 0.05; ¹Base case analysis: data without imputation of missings; ²Intention-to-treat analysis (Last Observation Carried Forward)

ISSN: 1471-2474