Table 1.
Changes in EQ-5D-5L
| Domain and categories | n | Previous time point, mean (s.d.) | CONTAIN survey, mean (s.d.) | Mean difference (95% CI) | Age-adjusted mean difference (95% CI) |
|---|---|---|---|---|---|
| All participants | 1020 | 0.684 (0.209) | 0.664 (0.219) | −0.021 (−0.032, −0.009) | −0.020 (−0.030, −0.009) |
| Year of birth | |||||
| 1924–1945 | 125 | 0.664 (0.221) | 0.625 (0.253) | −0.039 (−0.060, −0.009) | |
| 1946–1964 | 477 | 0.685 (0.208) | 0.668 (0.203) | −0.017 (−0.033, 0.002) | |
| 1965–1980 | 292 | 0.693 (0.210) | 0.677 (0.221) | −0.016 (−0.036, 0.004) | |
| 1981–2001 | 126 | 0.685 (0.199) | 0.658 (0.239) | −0.026 (−0.065, 0.013) | |
| Gender | |||||
| Female | 461 | 0.695 (0.197) | 0.666 (0.200) | −0.029 (−0.045, −0.012) | −0.029 (−0.045, −0.013) |
| Male | 557 | 0.676 (0.218) | 0.662 (0.234) | −0.014 (−0.029, 0.001) | −0.013 (−0.028, 0.002) |
| Study cohort | |||||
| BSRBR-AS | 578 | 0.659 (0.224) | 0.652 (0.231) | −0.007 (−0.023, 0.009) | −0.004 (−0.021, 0.012) |
| MAmMOTH | 288 | 0.744 (0.159) | 0.701 (0.190) | −0.043 (−0.059, −0.026) | −0.040 (−0.057, −0.023) |
| BSR-PsA | 154 | 0.667 (0.210) | 0.639 (0.220) | −0.029 (−0.054, −0.003) | −0.030 (−0.056, −0.005) |
| Deprivation | |||||
| 1 (most deprived) | 90 | 0.578 (0.256) | 0.580 (0.262) | 0.003 (−0.038, 0.043) | 0.003 (−0.039, 0.044) |
| 2 | 129 | 0.642 (0.237) | 0.609 (0.254) | −0.033 (−0.068, 0.001) | −0.028 (−0.063, 0.007) |
| 3 | 205 | 0.687 (0.209) | 0.660 (0.220) | −0.026 (−0.054, 0.001) | −0.024 (−0.052, 0.004) |
| 4 | 307 | 0.702 (0.180) | 0.677 (0.210) | −0.025 (−0.042, −0.007) | −0.024 (−0.042, −0.006) |
| 5 (least deprived) | 289 | 0.716 (0.195) | 0.703 (0.184) | −0.013 (−0.033, 0.006) | −0.014 (−0.033, 0.007) |
| Employment | |||||
| Full-time | 361 | 0.717 (0.181) | 0.707 (0.180) | −0.010 (−0.029, 0.009) | −0.015 (−0.034, 0.004) |
| Part-time | 145 | 0.703 (0.186) | 0.679 (0.195) | −0.024 (−0.050, 0.002) | −0.024 (−0.050, 0.003) |
| Retired | 356 | 0.698 (0.192) | 0.680 (0.202) | −0.018 (−0.035, −0.0002) | −0.014 (−0.032, 0.005) |
| Other | 150 | 0.555 (0.274) | 0.506 (0.288) | −0.049 (−0.084, −0.015) | −0.047 (−0.082, −0.011) |
| Urban/rural | |||||
| Urban | 713 | 0.678 (0.218) | 0.654 (0.227) | −0.024 (−0.037, −0.011) | −0.023 (−0.036, −0.009) |
| Rural | 307 | 0.700 (0.186) | 0.688 (0.199) | −0.012 (−0.032, 0.007) | −0.013 (−0.033, 0.007) |
| Shielding | |||||
| Advised and followed | 337 | 0.624 (0.228) | 0.604 (0.226) | −0.021 (−0.043, 0.002) | −0.021 (−0.044, 0.001) |
| Not advised or not followed | 647 | 0.718 (0.189) | 0.697 (0.209) | −0.021 (−0.033, −0.008) | −0.021 (−0.034, −0.008) |
| Date of completion | |||||
| July | 436 | 0.698 (0.205) | 0.675 (0.199) | −0.022 (−0.038, −0.007) | −0.024 (−0.040, −0.009) |
| Aug–Sep | 257 | 0.662 (0.220) | 0.639 (0.245) | −0.023 (−0.048 , 0.001) | −0.022 (−0.047, 0.004) |
| Oct–Dec | 327 | 0.684 (0.203) | 0.669 (0.223) | −0.015 (−0.034 , 0.004) | −0.013 (−0.032, 0.007) |
Values in bold are statistically significant.