Clinical Study

Effects of Exercise Training Combined with Increased Physical Activity to Prevent Chronic Pain in Community-Dwelling Older Adults: A Preliminary Randomized Controlled Trial

Table 2

Group comparisons of outcome measures during the intervention period.

ItemIntervention group Control group Time-by-group interaction
PreinterventionAfter 12 weeksMean differencePreinterventionAfter 12 weeksMean differenceF value value

Total number of pain sites1.7 ± 1.41.3 ± 1.1a−0.3 ± 1.02.0 ± 2.02.2 ± 1.60.2 ± 1.72.6220.110
NRS at the site of maximum pain2.3 ± 2.12.1 ± 1.6a−0.2 ± 1.52.7 ± 2.43.6 ± 2.4b0.9 ± 3.23.6420.060
CST (s)7.7 ± 2.87.0 ± 2.5b−0.7 ± 1.47.4 ± 2.06.7 ± 1.8b−0.7 ± 1.00.0120.913
TUG (s)7.6 ± 1.77.0 ± 1.3b−0.6 ± 1.07.6 ± 1.67.2 ± 1.7b−0.5 ± 0.70.5290.469
GDS-15 score (points)3.0 ± 3.32.5 ± 3.1−0.5 ± 2.02.7 ± 2.92.6 ± 2.4−0.1 ± 2.30.4900.486
PCS total score (points)23.0 ± 13.320.8 ± 11.5−2.2 ± 8.123.4 ± 11.123.6 ± 12.90.2 ± 10.21.2000.277
Rumination score (points)10.7 ± 6.29.6 ± 5.4−1.1 ± 3.810.8 ± 4.711.3 ± 5.40.5 ± 4.92.2710.136
Helplessness score (points)7.2 ± 4.87.0 ± 4.1−0.2 ± 3.87.6 ± 4.37.5 ± 4.9−0.1 ± 4.50.0050.947
Magnification score (points)4.9 ± 3.64.2 ± 2.9−0.7 ± 2.25.2 ± 3.34.9 ± 3.2−0.3 ± 2.50.6600.419
Daily step counts (steps)4312.9 ± 2392.55175.7 ± 3126.1ab862.8 ± 1933.94030.2 ± 2266.53918.6 ± 1870.3−111.6 ± 1630.95.4450.022
Mild activity times (s)2394.2 ± 1399.92774.8 ± 1550.8b457.7 ± 1037.32382.8 ± 1158.32385.0 ± 1049.12.2 ± 844.23.2180.077
Moderate activity times (s)428.1 ± 545.1555.3 ± 689.8a143.9 ± 422.9303.0 ± 442.0255.7 ± 286.0−47.3 ± 341.43.8010.055
Heavy activity times (s)16.6 ± 26.918.1 ± 29.41.6 ± 31.220.0 ± 49.720.5 ± 40.80.5 ± 35.10.0160.900

Values are expressed as mean ± standard deviation (SD). NRS: Numerical Rating Scale; CST: Chair Stand Test; TUG: Timed Up-and-Go test; GDS-15: 15-item version of the Geriatric Depression Scale; PCS: Pain Catastrophizing Scale. aSignificant group difference , bSignificant preintervention to postintervention difference .