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Table 5 Percentages for categorical 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
Baseline   6 weeks   2 months   6 months
International Physical Activity Questionnaire (IPAQ) Higha Usual PT N = 61 32% (20, 47) N = 49 37% (22, 55) N = 51 36% (22, 54) N = 43 30% (17, 48)
OR from baseline:   1.26 (0.54, 2.96)   1.23 (0.53, 2.86)   0.92 (0.38, 2.26)
SOLAS N = 59 32% (19, 47) N = 48 34% (20, 51) N = 50 42% (27, 59) N = 43 26% (14, 44)
OR from baseline:   1.09 (0.46, 2.60)   1.29 (0.67, 3.63)   0.76 (0.30, 1.93)
Group ratio of ORs   0.86 (0.262.92)   1.27 (0.39, 4.18)   0.83 (0.23, 3.01)
Moderateb
or high
Usual PT N = 61 72% (57, 83) N = 49 88% (75, 95) N = 51 87% (73, 94) N = 43 79% (62, 89)
OR from baseline:   2.91 (1.03, 8.21)   2.51 (0.93, 6.81)   1.44 (0.55, 3.79)
SOLAS N = 59 81% (68, 90) N = 48 93% (81, 98) N = 50 89% (75, 95) N = 43 85% (69, 93)
OR from baseline:   2.97 (0.85, 10.37)   1.80 (0.59, 5.44)   1.27 (0.43, 3.74)
Group ratio of ORs   1.02 (0.20, 5.18)   0.72 (0.16, 3.18)   0.88 (0.21, 3.76)
Self-management Behaviour Questionnaire (SMBQ) Set goals
n (%)
Usual PT N = 61 30% (18, 46) N = 49 55% (37, 71) N = 51 58% (40, 73) N = 43 46% (29, 65)
OR from baseline:   2.86 (1.20, 6.81)   3.23 (1.37, 7.65)   2.01 (0.81, 4.99)
SOLAS N = 59 33% (20, 49) N = 48 79% (63, 90) N = 50 55% (38, 72) N = 43 42% (25, 61)
OR from baseline:   8.08 (3.19, 20.45)   1.78 (1.11, 5.96)   1.51 (0.63, 3.67)
Group ratio of ORs   2.82 (0.79, 10.08)   0.79 (0.24, 2.65)   0.75 (0.21, 2.67)
Exercised in line with goals, n (%) Usual PT N = 61 22% (12, 36) N = 49 52% (35, 69) N = 51 55% (38, 71) N = 43 49% (31, 67)
OR from baseline:   3.93 (1.63, 9.48)   4.43 (1.85, 10.62)   3.43 (1.37, 8.59)
SOLAS N = 59 18% (10, 32) N = 48 74% (57, 86) N = 50 52% (35, 39) N = 43 41% (25, 59)
OR from baseline:   12.69 (4.88, 32.97)   4.81 (1.96, 11.78)   3.08 (1.21, 7.86)
Group ratio of ORs   3.23 (0.88, 11.82)   1.09 (0.31, 3.80)   0.90 (0.24, 3.33)
Performed small regular activity
n (%)
Usual PT N = 61 85% (72, 92) N = 49 94% (83, 98) N = 51 93% (81, 98) N = 43 89% (74, 96)
OR from baseline:   2.96 (0.73, 12.07)   2.27 (0.63, 8.14)   1.39 (0.41, 4.68)
SOLAS N = 59 76% (62, 86) N = 48 95% (84, 98) N = 50 93% (81, 97) N = 43 94% (82, 98)
OR from baseline:   5.68 (1.49, 21.61)   4.17 (1.25, 13.95)   5.15 (1.34, 19.78)
Group ratio of ORs   1.92 (0.28, 13.35)   1.84 (0.32, 10.68)   3.70 (0.61, 22.67)
Used mental relaxation techniques, n (%) Usual PT N = 61 23% (12, 38) N = 49 15% (4, 30) N = 51 12% (5, 26) N = 43 24% (11, 43)
OR from baseline:   0.58 (0.20, 1.67)   0.45 (0.15, 1.33)   1.05 (0.37, 2.96)
SOLAS N = 59 26% (14, 42) N = 48 46% (29, 65) N = 50 41% (25, 59) N = 43 33% (18, 52)
OR from baseline:   2.51 (1.02, 6.16)   1.97 (0.81, 4.78)   1.39 (0.54, 3.58)
Group ratio of ORs   4.34 (1.08, 17.38)   4.39 (1.08, 17.84)   1.33 (0.33, 5.43)
Did not use pain relief, n (%) Usual PT N = 61 7% (3, 17) N = 49 24% (12, 42) N = 51 31% (17, 50) N = 43 38% (21, 59)
OR from baseline:   3.98 (1.26, 12.58)   5.54 (1.79, 17.10)   7.77 (2.42, 24.95)
SOLAS N = 59 16% (8, 31) N = 48 29% (15, 47) N = 50 24% (12, 41) N = 43 24% (12, 42)
OR from baseline:   2.08 (0.77, 5.58)   1.60 (0.59, 4.34)   1.58 (0.57, 4.43)
Group ratio of ORs   0.52 (0.11, 2.38)   0.29 (0.06, 1.30)   0.20 (0.04, 0.97)
Followed healthy eating guidelines, n (%) Usual PT N = 61 60% (43, 76) N = 49 96% (85, 99) N = 51 94% (82, 98) N = 43 96 (84, 99)
OR from baseline:   15.26 (3.75, 62.18)   9.87 (2.79, 34.88)   14.02 (3.27, 60.18)
SOLAS N = 59 80% (62, 91) N = 48 100% (0,100) N = 50 97% (88, 99) N = 43 100% (0, 100)
OR from baseline:   N/A   8.13 (1.91, 34.54)   N/A
Group difference   N/A   0.82 (0.13, 5.12)   N/A
  1. IPAQ Categorical Score aHigh: participants achieving either (a) vigorous-intensity activity on at least 3 days achieving a minimum total physical activity of at least 1500 MET-minutes/week or (b) 7 or more days of any combination of walking, moderate-intensity or vigorous-intensity activities achieving a minimum Total physical activity of at least 3000 MET-minutes/week. bModerate: The pattern of activity to be classified as “moderate” is either of the following criteria: (a) 3 or more days of vigorous-intensity activity of at least 20 min per day or (b) 5 or more days of moderate-intensity activity and/or walking of at least 30 min per day or (c) 5 or more days of any combination of walking, moderate-intensity or vigorous-intensity activities achieving a minimum total physical activity of at least 600 MET-minutes/week