Smartphone-Based Remote Self-Management of Chronic Low Back Pain: A Preliminary Study
Table 4
Comparisons of group difference in SF36 over time.
Outcome measure
Within-group effects
Interaction effect
Between-group effects
Pre-mid
Mid-post
Pre-post
F
Physical function
0.25
0.85
0.89
—
—
0.87
Role physical
0.41
0.68
0.16
—
—
0.48
Bodily pain
0.023
0.10
0.046
—
—
0.008
General health
0.80
0.43
0.40
0.52
3.2
0.12
Adjusted general health
0.079
0.87
0.033
0.069
2.12
0.21
Vitality
0.46
0.14
0.68
—
—
0.55
Social function
1.00
0.66
0.68
—
—
0.82
Role emotional
0.10
0.58
0.080
—
—
0.16
Mental health
0.079
0.58
0.017
—
—
0.013
SF36: Short Form Health Survey; SM + PT: self-management + physiotherapy; PT: physiotherapy; pre-mid: pretreatment vs midterm; mid-post: midterm vs posttreatment; post-pre: posttreatment vs pretreatment; .
