Patient Anxiety and Depression Moderate the Effects of Increased Self-management Knowledge on Physical Activity: A Secondary Analysis of a Randomised Controlled Trial on Health-Mentoring in COPD

Figures & data

Table 1.  Means (standard deviations) and observed range of study variables at different points in time in the usual care (UC) and health mentoring (HM) groups

Variable	UC	HM	Overall	Observed Range	n
Anxiety
T1	7.03 (4.07)	6.73 (4.12)	6.88 (4.09)	0–18	181
T2	6.56 (3.78)	6.00 (3.63)	6.33 (3.72)	0–15	140
T3	6.15 (3.98)	6.22 (4.13)	6.18 (4.03)	0–17	138
Depression
T1	5.12 (3.55)	4.64 (3.14)	4.88 (3.36)	0–17	180
T2	4.65 (3.50)	3.79 (2.83)	4.29 (3.25)	0–14	140
T3	4.74 (3.38)	4.07 (2.60)	4.45 (3.07)	0–17	138
Self-management Knowledge
T1	24.17 (5.86)	23.51 (6.50)	23.85 (6.18)	0–32	172
T2	25.20 (5.10)	27.14 (4.71)	26.01 (5.02)	9–32	142
T3	25.29 (5.02)	26.64 (5.48)	25.86 (5.25)	8–32	139
Physical Activity
T1	4874.45 (2573.76)	5094.50 (3175.03)	4977.77 (2864.85)	458.25–15730.00	164
T2	4547.72 (2485.13)	5360.45 (2968.14)	4871.61 (2707.12)	513.00–15345.60	138
T3	4708.74 (2389.44)	4770.16 (2975.48)	4732.79 (2622.53)	473.29–14450.50	120

Figure 1. Moderated mediation model for anxiety with unstandardized path coefficients (and standard errors). Coefficients for the depression model are given in square brackets.

Figure 2. Regions of significance for the interaction between self-management knowledge and anxiety on physical activity.

Figure 3. Regions of significance for the interaction between self-management knowledge and depression on physical activity.