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Table 3 Mediation effects for intervention effects on process outcomes at 4-months on accelerometer measured MVPA (recorded in ≥ 10-min bouts) at 12-months

From: A process evaluation, with mediation analysis, of a web-based intervention to augment primary care exercise referral schemes: the e-coachER randomised controlled trial

 

A path

B path

C’ path

Mediated effect

Process measures (N)

β (SE)

β (SE)

β (SE)

95%CI

β (SE)

95%CI

Importance (204)

1.01 (.30)**

2.48(.92)**

-1.07 (4.80)

-10.48, 8.34

2.52 (1.26)

.45, 5.39

Confidence (205)

1.28 (.36)**

1.43 (.83)

.01 (4.84)

-9.47, 9.49

1.83 (1.25)

-.39, 4.29

Competence (201)

1.61 (.47)**

.27 (.61)

2.41 (4.75)

-6.91, 11.72

.43 (1.29)

-2.18, 2.76

Autonomy (203)

.70 (.44)

.44 (.68)

.76 (4.83)

-8.72, 10.23

.31 (.54)

-.68, 1.58

Support availability (204)

.77 (.36)*

-.10 (.82)

2.99 (4.66)

-6.15, 12.13

-.08 (.71)

-1.60, 1.34

Support frequency (207)

.34 (.46)

1.57 (.60)**

2.83 (4.50)

-6.00, 11.65

.53 (.77)

-1.0, 2.28

Action Planning (196)

1.54 (.67)*

1.01 (.36)**

1.00 (4.69)

-7.01, 10.71

1.56 (.89)

.10,3.54

Self-monitoring (205)

.76 (.29)**

2.53 (.83)**

1.85 (4.52)

-8.19, 10.19

1.92 (1.06)

.21, 4.33

  1. Notes: *p < .05, **p < .01; N varies due to lack of valid wear-time for PA, or non-completion of full set of measures