Table 1.
Variable | Non-participant | Participant | Difference | 95% CI |
---|---|---|---|---|
Health-related quality of life | ||||
EQ5D Health Utility Index | 0.596 | 0.690 | 0.094 | (0.0767 to 0.1107) |
Healthcare usage (months) | ||||
GP visits in 6 | 3.252 | 2.927 | −0.326 | (−0.5191 to −0.1320) |
Hospital outpatient visits in 6 | 2.456 | 2.159 | −0.297 | (−0.5180 to −0.0760) |
Ambulance call-outs in 6 | 0.418 | 0.218 | −0.200 | (−0.3353 to −0.0637) |
Visits to casualty in 6 | 0.556 | 0.439 | −0.117 | (−0.2040 to −0.0299) |
Total cost (£) of healthcare in 6 | 544.77 | 447.83 | −96.94 | (−161.25 to −32.64) |
Demographic characteristics (years) | ||||
Female participants | 0.505 | 0.521 | 0.015 | (−0.0169 to 0.0477) |
Aged 65–69 | 0.296 | 0.289 | −0.006 | (−0.0358 to 0.0229) |
Aged 70–74 | 0.257 | 0.275 | 0.017 | (−0.0115 to 0.0456) |
Aged 75–79 | 0.202 | 0.223 | 0.021 | (−0.0053 to 0.0475) |
Aged 80–84 | 0.136 | 0.124 | −0.012 | (−0.0339 to 0.0096) |
Aged 85 and over | 0.109 | 0.0894 | −0.020 | (−0.0390 to −0.0003) |
Education | ||||
School-level qualifications | 0.153 | 0.317 | 0.164 | (0.1373 to 0.1910) |
College-level qualifications | 0.0390 | 0.122 | 0.083 | (0.0658 to 0.1005) |
University-level qualifications | 0.0423 | 0.0861 | 0.044 | (0.0286 to 0.0602) |
NVQ and trade qualifications | 0.211 | 0.258 | 0.047 | (0.0196 to 0.0743) |
Professional qualifications | 0.136 | 0.239 | 0.102 | (0.0771 to 0.1272) |
Living arrangements | ||||
Lives alone | 0.351 | 0.354 | 0.002 | (−0.0285 to 0.0333) |
Lives with spouse | 0.568 | 0.591 | 0.023 | (−0.0090 to 0.0549) |
Lives with other | 0.131 | 0.103 | −0.028 | (−0.0488 to −0.0074) |
Health conditions | ||||
Asthma | 0.152 | 0.139 | −0.013 | (−0.0358 to 0.0099) |
Cancer | 0.0780 | 0.0795 | 0.002 | (−0.0156 to 0.0191) |
Back pain/sciatica | 0.342 | 0.304 | −0.037 | (−0.0676 to −0.0072) |
Bronchitis/COPD | 0.170 | 0.115 | −0.056 | (−0.0784 to −0.0333) |
Kidney disease | 0.0542 | 0.0345 | −0.021 | (−0.0344 to −0.0077) |
Colon/irritable bowel | 0.141 | 0.157 | 0.016 | (−0.0071 to 0.0388) |
Congestive heart failure | 0.0618 | 0.0422 | −0.019 | (−0.0336 to −0.0050) |
Diabetes | 0.234 | 0.201 | −0.034 | (−0.0607 to −0.0075) |
Hard of hearing | 0.412 | 0.409 | −0.001 | (−0.0331 to 0.0304) |
Heart disease/angina | 0.247 | 0.221 | −0.024 | (−0.0514 to 0.0032) |
High blood pressure | 0.532 | 0.530 | −0.003 | (−0.0356 to 0.0289) |
High cholesterol | 0.454 | 0.441 | −0.013 | (−0.0454 to 0.0188) |
Osteoarthritis | 0.304 | 0.317 | 0.015 | (−0.0154 to 0.0444) |
Osteoporosis | 0.141 | 0.116 | −0.026 | (−0.0479 to −0.0047) |
Overweight | 0.404 | 0.405 | 0.001 | (−0.0304 to 0.0329) |
Poor circulation in legs | 0.409 | 0.328 | −0.079 | (−0.1101 to −0.0480) |
Rheumatoid arthritis | 0.169 | 0.110 | −0.058 | (−0.0804 to −0.0358) |
Rheumatic disease | 0.0347 | 0.0302 | −0.004 | (−0.0158 to 0.0070) |
Stomach problem/ulcer/etc. | 0.241 | 0.249 | 0.009 | (−0.0186 to 0.0369) |
Stroke | 0.0726 | 0.0680 | −0.005 | (−0.0214 to 0.0116) |
Thyroid disorder | 0.112 | 0.131 | 0.019 | (−0.0025 to 0.0398) |
Problems with vision | 0.470 | 0.446 | −0.022 | (−0.0545 to 0.0098) |
Other health condition | 0.0856 | 0.0965 | 0.011 | (−0.0080 to 0.0292) |
Sample size | 1857 | 1829 |
COPD, chronic obstructive pulmonary disease; GP, general practitioner; NVQ, National Vocational Qualification.