Baseline and follow up measures | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
 | Intervention Group | Comparison group | Between group difference; P value | |||||||
N | Mean (SD) | 95% CI | N | Mean (SD) | 95% CI | Unadjusted mean (95% CI) | p-value | Adjusted for all SAP variables (95% CI) | p-value | |
EQ 5 D Health Index Scorea | ||||||||||
 Baseline | 279 | 0.9 (0.14) |  | 281 | 0.9 (0.15) |  |  |  |  |  |
 12 weeks | 262 | 0.9 (0.14) |  | 264 | 0.9 (0.16) |  |  |  |  |  |
 Difference to baseline | 262 | 0.0 (0.13) | 0.00 to 0.04 | 264 | 0.0 (0.15) | −0.01 to 0.03 |  |  |  |  |
 12 months | 227 | 0.8 (0.18) |  | 240 | 0.8 (0.17) |  |  |  |  |  |
 Difference to baseline | 227 | −0.0 (0.15) | − 0.03 to 0.02 | 240 | − 0.01 (0.14) | − 0.03 to 0.01 | 0.00 (− 0.02 to 0.02) | 0.990 | 0.01 (− 0.04 to 0.05) | 0.726 |
EQ 5 D Health state today | ||||||||||
 Baseline | 279 | 75.2 (16.75) |  | 281 | 75.2 (15.41) |  |  |  |  |  |
 12 weeks | 262 | 80.9 (13.68) |  | 264 | 80.2 (14.87) |  |  |  |  |  |
 Difference to baseline | 262 | 5.4 (13.81) | 3.73 to 7.09 | 264 | 5.3 (13.16) | 3.67 to 6.86 |  |  |  |  |
 12 months | 227 | 80.7 (13.87) |  | 240 | 78.5 (15.16) |  |  |  |  |  |
 Difference to baseline | 227 | 5.0 (15.71) | 2.98 to 7.09 | 240 | 2.5 (14.14) | 0.70 to 4.29 | 5.45 (1.81 to 9.10) | 0.004 | 0.57 (−4.60 to 5.75) | 0.827 |