Table 2.
Mean values of measures for control (n=86) and experimental (n=77) treatment conditions at baseline and 4 weeks post intervention, excluding outliers. Standard deviations are included in parentheses.
| Dependent variable | Pre | Post | ||
| Control Mean (SDa) |
Experimental Mean (SD) |
Control Mean (SD) |
Experimental Mean (SD) |
|
| State-Trait Anxiety Inventory (STAI) stateb | 44.7 (13.0) | 43.0 (12.0) | 43.4 (13.2) | 40.1 (12.1) |
| STAI traitc | 47.6 (11.1) | 47.4 (10.6) | 47.5 (10.8) | 44.5 (9.4) |
| QIDS-SRd | 8.1 (4.5) | 8.4 (4.3) | 7.4 (4.7) | 6.4 (3.9) |
| Physfuncte,f | 93.8 (7.5) | 92.1 (9.8) | 93.3 (10.1) | 92.1 (10.6) |
| Physlime | 78.2 (32.3) | 79.2 (33.3) | 77.0 (33.7) | 83.8 (30.6) |
| Emolime | 50.4 (42.4) | 52.4 (40.3) | 49.2 (41.8) | 58.4 (42.6) |
| Energye | 45.1 (17.8) | 46.2 (20.1) | 41.1 (18.9) | 48.9 (19.4) |
| Emowelle | 60.9 (18.6) | 61.1 (20.0) | 58.7 (20.1) | 66.0 (17.2) |
| Socialfuncte | 72.2 (22.4) | 74.2 (24.4) | 71.4 (24.5) | 77.0 (20.2) |
| Paine,g | 78.3 (19.2) | 83.5 (19.0) | 78.0 (18.6) | 84.3 (18.0) |
| Genhealthe | 64.7 (20.5) | 63.3 (19.5) | 61.7 (20.4) | 67.5 (17.4) |
| PSSh | 19.6 (7.7) | 18.6 (6.8) | 19.8 (6.7) | 17.8 (6.2) |
| WPAIi missedtimej,k | 4.2 (13.6) | 2.1 (3.5) | 0.1 (0.2) | 0.1 (0.1) |
| WPAI impairedtimej,k | 16.6 (21.9) | 11.0 (21.7) | 20.7 (26.0) | 14.3 (23.6) |
| WPAI overallworkimpairj,k | 18.1 (25.4) | 11.6 (23.4) | 28.1 (32.1) | 16.6 (27.4) |
| WPAI activimpairj | 25.7 (26.5) | 22.9 (25.0) | 24.0 (26.7) | 18.1 (23.5) |
| PSQIl | 7.0 (2.8) | 6.9 (3.1) | 7.0 (3.7) | 6.2 (3.1) |
aSD: standard deviation.
bSTAI state: State-Trait Anxiety Inventory for Adults—state anxiety.
cSTAI trait: State-Trait Anxiety Inventory for Adults—trait anxiety.
dQIDS-SR: Quick Inventory of Depressive Symptomatology Self-Report.
ePhysfunct, Physlim, Emolim, Energy, Emowell, Socialfunct, Pain, Genhealth: RAND 36-Item Health Survey—Physical functioning subscale, role limitations because of physical health subscale, role limitations because of emotional health subscale, energy or fatigue subscale, emotional well-being subscale, social functioning subscale, pain subscale, and general health subscale.
fPhysfunct scores were calculated using n=156 (nexp=75, ncon=81).
gPain scores were calculated using n=162 (nexp=76, ncon=86).
hPSS: Perceived Stress Scale.
iWPAI: Work Productivity and Activity Impairment Questionnaire: General Health V2.0.
jWPAI missedtime, impairedtime, overallworkimpair, activimpair: Percent work missed because of health, percent impairment while working because of health, percent overall work impairment because of health, and percent activity impairment because of health.
kWPAI impairedtime and overallworkimpair scores were calculated using n=50 (nexp=21, ncon=29).
lPSQI: Pittsburg Sleep Quality Index.