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Table 6 Mean (95% CI) within- and between-group changes for secondary outcomes

From: Feasibility cluster randomised controlled trial evaluating a theory-driven group-based complex intervention versus usual physiotherapy to support self-management of osteoarthritis and low back pain (SOLAS)

Outcome Group Time
6 weeks 2 months 6 months
SF12-PCS
 Score Usual PT   3.68 (1.39, 5.97) 3.71 (1.27, 6.14)
SOLAS   4.18 (1.86, 6.49) 2.26 (−0.18, 4.71)
Group difference:   −0.49 (−3.75, 2.76) 1.44 (−2.01, 4.89)
Pain
 Intensity (NRS) Usual PT   −1.86 (−2.60, −1.13) −1.50 (−2.28, −0.72)
SOLAS   −0.96 (−1.71, −0.22) −1.39 (−2.17, −0.60)
Group difference:   −0.90 (−1.94, 0.15) −0.11 (−1.22, 0.99)
 Bothersomeness Usual PT   −0.65 (−0.98, −0.31) −0.61 (−0.96, −0.25)
SOLAS   −0.31 (−0.65, 0.02)) −0.29 (−0.65, 0.06
Group difference:   −0.33 (−0.81, 0.14)) −0.31 (−0.81, 0.19
RMDQ
 Total score Usual PT   −4.34 (−6.02, − 2.66) −5.59 (−7.43, −3.76)
SOLAS   −3.46 (−5.26, − 1.66) −3.65 (−5.55, − 1.75)
Group difference:   −0.88 (−3.35, 1.58) − 1.94 (−4.59, 0.70)
WOMAC function daily living
 Hip subscale score Usual PT   1.91 (−3.61, 7.43) 0.88 (−5.03, 6.79)
SOLAS   −1.30 (−7.56, 4.96) −2.58 (−8.59, 3.44)
Group difference:   3.21 (−5.13, 11.55) 3.45 (−4.98, 11.89)
 Knee subscale score Usual PT   −0.32 (−5.33, 4.69) 2.54 (−2.66, 7.73)
SOLAS   −0.97 (− 5.44, 3.49) 1.91 (−2.99, 6.81)
Group difference:   0.65 (−6.06, 7.37) 0.63 (−6.51, 7.77)
HADS
 Total score Usual PT   −2.20 (−3.66, −0.70) − 2.41 (− 3.95, − 0.87)
SOLAS   − 3.00 (−4.53, −1.47) −3.36 (−4.97, − 1.74)
Group difference:   0.82 (−1.30, 2.95) 0.95 (−1.29, 3.18)
 Anxiety scale Usual PT   −1.67 (− 2.57, − 0.77) −1.91 (− 2.85, − 0.97)
SOLAS   −2.03 (− 2.96, − 1.10) −2.10 (− 3.09, − 1.12)
Group difference:   0.36 (− 0.93, 1.66) 0.19 (− 1.16, 1.55)
 Depression scale Usual PT   − 0.55 (− 1.40, 0.30) −0.56 (− 1.44, 0.32)
SOLAS   −0.99 (− 1.87, − 0.12) − 1.28 (− 2.21, − 0.36)
Group difference:   0.44 (− 0.78, 1.66) 0.72 (− 0.55, 2.00)
GPE
 Total score Usual PT   3.85 (2.98, 4.72) 3.05 (2.14, 3.95)
SOLAS   3.65 (2.77, 4.52) 3.29 (2.36, 4.21)
Group difference:   0.21 (−1.03, 1.44) −0.24 (− 1.53, 1.06)
EQ5D
 Weighted Health Index Usual PT   + 0.08 + 0.06
SOLAS   + 0.01 + 0.04
Group difference:   0.06 0.02