| |
Intervention mean (SD) n
|
Control mean (SD) n
|
Adjusted difference in means (95% CI)b
|
P-valueb
|
|---|
|
Post-intervention
|
Follow-up
|
Post-intervention
|
Follow-up
|
|---|
|
Productivity
|
|
Self-assessed productivity
|
2.230
|
2.262
|
2.563
|
2.853
|
−0.406
|
0.019
|
|
(1.872)
|
(1.827)
|
(2.173)
|
(2.450)
|
(−0.744 to −0.067)
|
|
200
|
195
|
263
|
231
| |
|
Self-reported days of work missed
|
1.005
|
2.013
|
1.441
|
1.709
|
−0.142
|
0.733
|
|
(2.795)
|
(6.111)
|
(5.125)
|
(4.579)
|
(−0.961 to 0.677)
|
|
199
|
194
|
262
|
232
| |
|
Lost earnings
|
|
Based on self-assessed productivity
|
£701.32
|
£719.30
|
£891.04
|
£1056.44
|
-£231.35
|
0.019
|
|
(£1067.41)
|
(£1041.80)
|
(£1238.79)
|
(£1397.15)
|
(−£424.77 to -£37.92)
|
|
200
|
195
|
263
|
231
| |
|
Based on self-reported days of work missed
|
£88.16
|
£176.57
|
£126.39
|
£149.92
|
-£12.50
|
0.733
|
|
(£245.15)
|
(£536.05)
|
(£449.57)
|
(£401.70)
|
(−£84.34 to £59.33)
|
|
199
|
194
|
262
|
232
| |
|
Quality of life
|
|
ICECAP-A
|
0.852
|
0.840
|
0.825
|
0.823
|
0.018
|
0.056
|
|
(0.136)
|
(0.134)
|
(0.143)
|
(0.152)
|
(0.000 to 0.036)
|
|
197
|
196
|
264
|
228
| |
|
Commuting to work
|
|
Commute costsa
| |
£9.32
| |
£10.99
|
-£1.15
|
0.245
|
|
(£7.67)
|
(£12.19)
|
(−£3.10 to £0.79)
|
|
140
|
131
| |
- aCommute costs collected at baseline and 12 months follow-up only
- bBased on a repeated measures analysis that was adjusted for time point as a categorical variable, baseline value, workplace size, workplace location, workplace type and workplace as a random effect
