Participant characteristics
| Baseline survey (n=244) | Baseline original MTBQ (n=112) | Baseline reversed MTBQ (n=132) | |
| Age (years; mean, SD) | 69.9, 13.1 | 71.9, 11.6 | 68.1, 14.0 |
| Age group (n, (%)) | |||
| 18–50 years | 18 (7.4) | 4 (3.6) | 14 (10.6) |
| 51–60 years | 37 (15.2) | 15 (13.4) | 22 (16.7) |
| 61–70 years | 55 (22.5) | 25 (22.3) | 30 (22.7) |
| 71–80 years | 82 (33.6) | 42 (37.5) | 40 (30.3) |
| 81–90 years | 47 (19.3) | 22 (19.6) | 25 (18.9) |
| 91+ years | 4 (1.6) | 3 (2.7) | 1 (0.8) |
| Missing | 1 (0.4) | 1 (0.9) | 0 (0) |
| Gender (n, (%)) | |||
| Male | 130 (53.3) | 61 (54.5) | 69 (52.3) |
| Female | 113 (46.3) | 50 (44.6) | 63 (47.7) |
| Missing | 1 (0.4) | 1 (0.9) | 0 (0) |
| Ethnicity (n, (%)) | |||
| White | 229 (93.9) | 106 (94.6) | 123 (93.2) |
| Asian | 5 (2.0) | 2 (1.8) | 3 (2.3) |
| Black/African/Caribbean | 4 (1.6) | 2 (1.8) | 2 (1.5) |
| Mixed | 4 (1.6) | 1 (0.9) | 3 (2.3) |
| Other | 1 (0.4) | 1 (0.9) | 0 (0) |
| Missing | 1 (0.4) | 0 (0.0) | 1 (0.8) |
| No of long-term conditions* (n, (%)) | |||
| 3 | 136 (55.7) | 58 (51.8) | 78 (59.1) |
| 4 | 73 (29.9) | 35 (31.3) | 38 (28.8) |
| ≥5 | 35 (14.3) | 19 (17.0) | 16 (12.1) |
| Long-term conditions* (n, (%)) | |||
| Cardiovascular disease† | 210 (86.1) | 98 (87.5) | 112 (84.8) |
| Stroke or transient ischaemic attack (TIA) | 72 (29.5) | 39 (34.8) | 33 (25.0) |
| Diabetes | 141 (57.8) | 60 (53.6) | 81 (61.4) |
| Chronic kidney disease | 68 (27.9) | 30 (26.8) | 38 (28.8) |
| COPD or asthma | 119 (48.8) | 51 (45.5) | 68 (51.5) |
| Epilepsy | 20 (8.2) | 12 (10.7) | 8 (6.1) |
| Atrial fibrillation | 79 (32.4) | 41 (36.6) | 38 (28.8) |
| Severe mental health problems | 13 (5.3) | 3 (2.7) | 10 (7.6) |
| Depression | 107 (43.9) | 51 (45.5) | 56 (42.4) |
| Learning disability | 4 (1.6) | 0 (0) | 4 (3.0) |
| Rheumatoid arthritis | 17 (7.0) | 12 (10.7) | 5 (3.8) |
| Heart failure | 31 (12.7) | 16 (14.3) | 15 (11.4) |
| Age left full-time education (years) (n, (%)) | |||
| ≤14 | 22 (9.0) | 9 (8.0) | 13 (9.8) |
| 15 or 16 | 155 (63.5) | 77 (68.8) | 78 (59.1) |
| 17 or 18 | 33 (13.5) | 14 (12.5) | 19 (14.4) |
| ≥19 | 31 (12.7) | 11 (9.8) | 20 (15.2) |
| Missing | 3 (1.3) | 1 (0.9) | 2 (1.5) |
| Employment status (n, (%)) | |||
| Fully retired from work | 144 (59.0) | 69 (61.6) | 75 (56.8) |
| Employed | 36 (14.8) | 13 (11.6) | 23 (17.4) |
| Other | 64 (26.2) | 30 (26.8) | 34 (25.8) |
| Missing | 0 (0) | 0 (0) | 0 (0) |
| Deprivation score‡ (n, (%)) | |||
| Quintile 1 (least deprived) | 49 (20.1) | 26 (23.2) | 23 (17.4) |
| Quintile 2 | 49 (20.1) | 22 (19.6) | 27 (20.5) |
| Quintile 3 | 74 (30.3) | 33 (29.5) | 41 (31.1) |
| Quintile 4 | 47 (19.3) | 21 (18.8) | 26 (19.7) |
| Quintile 5 (most deprived) | 25 (10.2) | 10 (8.9) | 15 (11.4) |
| Missing | 0 (0) | 0 (0) | 0 (0) |
*Long-term conditions from electronic GP records. Please note, similar long-term conditions are grouped together (eg, COPD/asthma, stroke/TIA).
†Cardiovascular disease includes coronary heart disease, hypertension and peripheral arterial disease.
‡Based on Townsend deprivation index scores.18
COPD, chronic obstructive pulmonary disease; GP, general practitioner; MTBQ, Multimorbidity Treatment Burden Questionnaire.