Table 2. Comparisons of unadjusted data of the dependent variables between Group I (n = 72) and Group C (n = 72) at each time point.
| T1 # | T2 | T3 | T4 | T5 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Group | Mean (SD) | t | p | Mean (SD) | t | p | Mean (SD) | t | p | Mean (SD) | t | p | Mean (SD) | t | p | |
| Psychological distress | 0.31 | .759 | -2.93 | .004 | -4.55 | .000 | -2.78 | .006 | -2.59 | .010 | ||||||
| I | 15.4(5.5) | 10.8(6.0) | 9.1(5.4) | 10.3(5.6) | 10.8(5.4) | |||||||||||
| C | 15.1(5.4) | 13.7(6.1) | 13.7(6.7) | 13.1(6.4) | 13.3(6.2) | |||||||||||
| Prolonged fatigue | -0.52 | .604 | -1.28 | .203 | -2.29 | .023 | -2.74 | .007 | -2.61 | .010 | ||||||
| I | 76.7(14.7) | 73.3(15.6) | 67.1(18.0) | 67.5(17.8) | 67.3(18.5) | |||||||||||
| C | 78.0(13.9) | 76.7(16.5) | 74.2(19.2) | 75.6(17.7) | 75.6(19.2) | |||||||||||
| Perceived stress | -1.60 | .111 | -1.08 | .283 | -2.85 | .005 | -2.92 | .004 | -2.83 | .005 | ||||||
| I | 19.8(4.3) | 18.5(4.8) | 17.3(5.4) | 16.8(5.2) | 16.2(5.4) | |||||||||||
| C | 20.9(3.7) | 19.4(4.7) | 20.0(6.0) | 19.4(5.4) | 18.9(5.9) | |||||||||||
| Job control | 0.54 | .592 | 0.05 | .958 | 3.31 | .001 | 1.78 | .077 | 0.75 | .456 | ||||||
| I | 59.8(9.2) | 61.8(7.9) | 63.7(7.8) | 62.3(9.2) | 61.9(8.9) | |||||||||||
| C | 59.0(8.3) | 61.7(7.2) | 59.1(8.7) | 59.5(9.8) | 60.7(9.8) | |||||||||||
| Job demands | -1.00 | .319 | -0.11 | .912 | -3.27 | .001 | -1.89 | .061 | -2.15 | .033 | ||||||
| I | 32.3(5.6) | 31.8(5.4) | 29.0(5.3) | 30.2(5.2) | 30.0(5.3) | |||||||||||
| C | 33.1(4.5) | 31.9(4.8) | 31.9(5.2) | 32.1(6.8) | 31.9(5.3) | |||||||||||
#Measured at pre-intervention (T1), at mid-intervention (T2), at the completion of intervention (T3), four weeks after intervention (T4), and eight weeks after intervention (T5).