Table 2.
Treatment type and month | Control | MyBackPain | Risk ratio (95% CI) | P value | ||||||||||||||||
|
Total, participant, n | Participant, n (%) | Number missing (n=226), n (%) | Total, participant, n | Participant, n (%) | Number missing (n=214), n (%) |
|
|
||||||||||||
Observed treatment choice harmful or no effect | ||||||||||||||||||||
|
1 | 83 | 20 (24.1) | 143 (63.2) | 63 | 17 (26.9) | 151 (70.6) | 1.07 (0.55-1.59) | .79 | |||||||||||
|
3 | 73 | 12 (16.4) | 153 (67.7) | 52 | 13 (25) | 162 (75.7) | 1.39 (0.56-2.23) | .35 | |||||||||||
|
6 | 67 | 11 (16.4) | 159 (70.3) | 67 | 11 (16.4) | 147 (68.7) | 0.76 (0.30-1.22) | .30 | |||||||||||
|
12 | 89 | 18 (20.2) | 137 (60.6) | 72 | 10 (13.8) | 142 (66.3) | 0.94 (0.40-1.48) | .83 | |||||||||||
Observed treatment choice recommended | ||||||||||||||||||||
|
1 | 83 | 55 (66.2) | 143 (63.2) | 63 | 40 (63.5) | 151 (70.6) | 0.89 (0.69-1.08) | .26 | |||||||||||
|
3 | 73 | 49 (67.1) | 153 (67.7) | 52 | 37 (71.1) | 162 (75.7) | 0.99 (0.78-1.20) | .94 | |||||||||||
|
6 | 67 | 54 (80.6) | 159 (70.3) | 67 | 47 (70.1) | 147 (68.7) | 0.84 (0.64-1.05) | .13 | |||||||||||
|
12 | 89 | 65 (73) | 137 (60.6) | 72 | 54 (75) | 142 (66.3) | 0.99 (0.78-1.20) | .91 |
aOdds and risk ratios are calculated using multiply imputed data. Counts and percentages calculated using the observed data only.