Table 3

Mean (95% confidence intervals) for baseline and change scores from baseline, 6, 12, and 24 months for the primary and secondary outcome measures: intention to treat analysis (OT group n = 162; control group n = 164)

0 MonthsChange scores at 6 months6 Months (p)Change scores at 12 months12 Months (p)Change scores at 24 months24 Months (p)
VAS, visual analogue scale.
* n = 65 OT; n = 64 control.
Primary outcomes:
Pain VAS
    OT41.09 (36.79 to 45.39)−4.46 (−8.44 to −0.48)0.37−1.42 (−6.51 to 3.66)0.85−0.94 (−6.08 to 4.20)0.75
    Control43.21 (38.55 to 47.88)−1.54 (−6.51 to 3.44)−2.12 (−7.26 to 3.03)−2.15 (−7.56 to 3.27)
AIMS2: physical function scale
    OT2.71 (2.40 to 3.02)−0.37 (−0.56 to −0.17)0.50−0.33 (−0.53 to −0.13)0.65−0.11 (−0.44 to 0.23)0.14
    Control2.87 (2.54 to 3.21)−0.46 (−0.65 to −0.27)−0.40 (−0.61 to −0.19)−0.67 (−1.02 to −0.32)
HAQ
    OT1.10 (0.97 to 1.23)−0.11 (−0.18 to −0.03)0.39−0.16 (−0.30 to −0.01)0.37
    Control1.16 (1.02 to 1.31)−0.16 (−0.25 to −0.07)−0.19 (−0.30 to −0.08)
Total self efficacy scale
    OT61.59 (59.04 to 65.01)4.62 (2.21 to 7.04)0.474.58 (2.13 to 7.03)0.223.41 (0.89 to 5.93)0.48
    Control60.88 (57.75 to 64.02)3.41 (1.12 to 5.71)2.49 (0.14 to 4.85)4.88 (2.30 to 7.45)
Secondary outcomes:
28 Swollen joint count
    OT7.81 (6.70 to 8.93)−0.62 (−1.70 to 0.46)0.91−0.93 (−2.13 to 0.28)0.94−1.25 (−2.58 to 0.08)0.59
    Control7.99 (6.83 to 9.14)−0.70 (−1.74 to 0.34)−0.85 (−2.14 to 0.44)−1.73 (−2.92 to −0.54)
28 Tender joint count
    OT9.62 (8.08 to 11.15)−1.72 (−2.92 to −0.51)0.61−1.69 (−2.97 to −0.41)0.79−1.64 (−3.19 to 0.08)0.66
    Control10.25 (8.73 to 11.77)−1.32 (−2.28 to −0.36)−1.95 (−3.26 to −0.64)−2.10 (−3.37 to −0.83)
Early morning stiffness (min)
    OT70.22 (50.95 to 89.48)+5.51 (−22.56 to 33.57)0.41−6.77 (−31.35 to 17.79)0.91−17.31 (−41.48 to 6.85)0.94
    Control62.74 (44.56 to 80.93)−9.20 (−30.14 to 11.74)−8.69 (−32.17 to 14.79)−16.06 (−35.03 to 2.91)
Power grip (kg)
    OT14.86 (13.52 to 16.18)1.57 (0.84 to 2.30)0.842.31 (1.44 to 3.19)0.751.77 (0.67 to 2.88)0.41
    Control14.81 (13.26 to 16.36)1.70 (0.74 to 2.66)2.09 (1.03 to 3.16)2.44 (1.29 to 3.57)
Jebsen test (s)
    OT37.74 (36.17 to 39.32)−0.29 (−1.50 to 0.91)0.36−0.94 (−2.37 to 0.48)0.29−0.03 (−1.43 to 1.37)0.22
    Control39.33 (35.60 to 39.30)−1.21 (−2.76 to 0.35)−2.21 (−4.00 to −0.41)−1.38 (−3.02 to 0.28)
Arthritis Impact Measurement Scale version 2:
Pain/other symptoms scale
    OT5.21 (4.83 to 5.59)−0.80 (−1.09 to −0.52)0.76−0.82 (−1.15 to −0.49)0.76−0.55 (−1.15 to −0.06)0.14
    Control5.69 (5.31 to 6.07)−0.73 (−1.09 to −0.37)−0.74 (−1.14 to −0.34)−1.34 (−1.99 to −0.68)
Affect scale
    OT4.17 (3.87 to 4.47)−0.30 (−0.49 to −0.12)0.36−0.44 (−0.63 to −0.25)0.150.16 (−0.18 to 0.49)0.71
    Control4.10 (3.80 to 4.40)−0.18 (−0.36 to −0.11)−0.24 (−0.44 to −0.04)−0.22 (−0.57 to 0.13)
Work ability*
    OT3.08 (2.41 to 3.77)−0.91 (−1.63 to −0.20)0.91−0.73 (−1.44 to −0.01)0.77−0.36 (−1.08 to 0.34)
    Control3.91 (1.61 to 2.73)−1.03 (−1.68 to −0.37)−0.92 (−1.58 to −0.25)−0.92 (−1.73 to −0.12)0.30
Satisfaction with health
    OT4.44 (4.08 to 4.79)0.61 (−0.9 to −0.32)0.81−0.75 (−1.06 to −0.45)0.47−0.61 (−1.13 to −0.08)0.56
    Control4.42 (4.05 to 4.79)−0.66 (−0.95 to −0.37)−0.59 (−0.92 to −0.26)−1.32 (−1.97 to −0.68)
Rheumatoid Attitudes Index
Helplessness
    OT17.02 (16.21 to 17.84)−1.32 (−2.05 to −0.59)0.51−1.39 (−2.25 to −0.55)0.05−1.18 (−2.04 to −0.33)0.29
    Control16.41 (15.55 to 17.27)−0.97 (−1.71 to −0.24)−0.30 (−0.99 to 0.39)−0.49 (−1.40 to 0.41)
Perceived control
    OT18.02 (17.19 to 18.86)−1.08 (−1.98 to −0.17)0.96−1.25 (−2.10 to −0.39)0.17−1.63 (−2.53 to −0.73)0.93
    Control18.19 (17.41 to 18.98)−1.05 (−1.83 to −0.27)−0.44 (−1.23 to 0.35)−1.58 (−2.45 to −0.70)
No of doctor visits for arthritis
    OT3.10 (2.79 to 3.41)−0.48 (−0.83 to −0.11)0.70−0.88 (−1.20 to −0.56)0.42−1.07 (−1.40 to −0.74)0.10
    Control3.00 (2.63 to 3.37)−0.58 (−0.95 to −0.21)0.63 (−1.15 to −0.12)−0.53 (−1.09 to 0.03)