Table 2.
Changes in clinical outcomes between baseline and end of program: intent-to-treat analysis.
| Variable | Cluster 1 | Cluster 2 | Cluster 3 | ||||||||
|
|
Baseline, mean (95% CI) | Change, mean (95% CI) | P value | Baseline, mean (95% CI) | Change, mean (95% CI) | P value | Baseline, mean (95% CI) | Change, mean (95% CI) | P value | ||
| PHQ-9a | 0.81 (0.77 to 0.86) | –0.03 (–0.25 to 0.18) | .77 | 6.58 (6.44 to 6.71) | –3.36 (–4.26 to 2.45) | <.001 | 13.98 (13.46 to 14.5) | –4.09 (–6.87 to –1.32) | .004 | ||
| GAD-7b | 1.44 (1.35 to 1.53) | –0.43 (–0.68 to –0.18) | <.001 | 5.44 (5.07 to 5.8) | –2.25 (–3.14 to –1.36) | <.001 | 10.73 (9.99 to 11.47) | –2.24 (–4.49 to 0.01) | .05 | ||
| FABQ-PAc | 10.4 (10.18 to 10.62) | –2.63 (–3.17 to –2.09) | <.001 | 11.49 (10.98 to 12.01) | –2.33 (–3.62 to –1.04) | <.001 | 12.67 (11.92 to 13.42) | –0.7 (–2.84 to 1.44) | .52 | ||
| WPAId-overall | 13.9 (13.11 to 14.7) | –6.84 (–8.82 to –4.86) | <.001 | 21.87 (19.39 to 24.35) | –11.33 (–16.6 to –6.06) | <.001 | 39.68 (34.86 to 44.5) | –12.34 (–23.65 to –1.03) | .03 | ||
| WPAI-overalle | 27.26 (26.1 to 28.41) | –16.82 (–20.23 to –13.42) | <.001 | 31.00 (28.26 to 33.74) | –19.11 (–25.75 to –12.47) | <.001 | 45.43 (40.62 to 50.24) | –20.1 (–32.64 to –7.57) | .002 | ||
| WPAI-activity | 22.57 (21.74 to 23.4) | –10.08 (–11.95 to –8.21) | <.001 | 30.99 (28.74 to 33.23) | –13.14 (–18.22 to –8.06) | <.001 | 46.35 (42.88 to 49.82) | –5.07 (–14.08 to 3.95) | .27 | ||
| WPAI-activitye | 32.04 (31.14 to 32.95) | –15.66 (–17.98 to –13.34) | <.001 | 36.28 (34.08 to 38.48) | –16.17 (–21.57 to –10.77) | <.001 | 49.5 (46.16 to 52.83) | –7.01 (–16.52 to 2.5) | .15 | ||
| WPAI-work | 13.04 (12.3 to 13.79) | –6.20 (–8.00 to –4.39) | <.001 | 20.78 (18.4 to 23.16) | –11.37 (–16.17 to –6.57) | <.001 | 37.13 (32.59 to 41.67) | –13.54 (–24.42 to –2.65) | .01 | ||
| WPAI-worke | 26.06 (24.98 to 27.13) | –15.24 (–18.35 to –12.12) | <.001 | 29.58 (26.93 to 32.24) | –19.36 (–25.29 to –13.42) | <.001 | 42.97 (38.44 to 47.51) | –21.9 (–34.43 to –9.37) | <.001 | ||
| WPAI-time | 2.02 (1.58 to 2.46) | –0.98 (–2.09 to 0.12) | .06 | 3.67 (2.01 to 5.34) | –1.42 (–3.93 to 1.09) | .23 | 13.45 (8.94 to 17.97) | –5.63 (–11.05 to –0.21) | .03 | ||
| WPAI-timee | 27.02 (22.52 to 31.52) | –28.54 (–39.11 to –17.96) | <.001 | 25.65 (17.24 to 34.06) | –20.5 (–31.84 to –9.16) | <.001 | 46.1 (35.5 to 56.7) | –23.13 (–43.29 to –2.98) | .02 | ||
aPHQ-9: 9-item Patient Health Questionnaire.
bGAD-7: 7-item Generalized Anxiety Disorder questionnaire.
cFABQ-PA: Fear-Avoidance Beliefs Questionnaire for Physical Activity.
dWPAI: Work Productivity and Activity Impairment questionnaire.
eFiltered for scores>0 at baseline.