Table 2 Sample characteristics of IP12 participants in feedback and non-feedback arms
Characteristic | Non feedback | Feedback | Overall |
|---|---|---|---|
Eligible households (N) | 1204 | 1197 | 2401 |
Participating households (N, % of eligible) | 691 (57%) | 717 (60%) | 1408 (59%) |
Eligible individuals* (number within participating households) households) | 1297 | 1395 | 2692 |
Adult full interviews* (N, percent eligible individuals) | 1045 (81%) | 1117 (80%) | 2162 (80%) |
Characteristics of those interviewed (N, % total) | |||
Age group | |||
< 30 | 151 (14%) | 170 (15%) | 321 (15%) |
30–49 | 316 (30%) | 290 (26%) | 606 (28%) |
50–69 | 410 (39%) | 425 (38%) | 835 (39%) |
70 + | 168 (16%) | 232 (21%) | 400 (19%) |
Sex | |||
Male | 493 (47%) | 485 (43%) | 978 (45%) |
Female | 552 (53%) | 632 (57%) | 1,184 (55%) |
Country | |||
England | 923 (88%) | 990 (89%) | 1,913 (88%) |
Wales | 55 (5.3%) | 54 (4.8%) | 109 (5.0%) |
Scotland | 65 (6.2%) | 70 (6.3%) | 135 (6.2%) |
Missing | 2 (0.2%) | 3 (0.3%) | 5 (0.2%) |
Highest qualification | |||
Degree or higher | 447 (43%) | 460 (41%) | 907 (42%) |
A-level/GCSE | 441 (42%) | 465 (42%) | 906 (42%) |
Other/None | 139 (13%) | 165 (15%) | 304 (14%) |
Missing | 18 (1.7%) | 27 (2.4%) | 45 (2.1%) |
In paid employment | |||
Yes | 574 (55%) | 583 (52%) | 1,157 (54%) |
No | 470 (45%) | 530 (47%) | 1,000 (46%) |
Missing | 1 (< 0.1%) | 4 (0.4%) | 5 (0.2%) |
Self-rated general health | |||
Excellent/Good | 750 (72%) | 809 (72%) | 1,559 (72%) |
Fair/Poor | 270 (26%) | 273 (24%) | 543 (25%) |
Missing | 25 (2.4%) | 35 (3.1%) | 60 (2.8%) |
Hospital or clinic outpatient last 12 months | |||
No | 564 (54%) | 607 (54%) | 1,171 (54%) |
Yes | 478 (46%) | 502 (45%) | 980 (45%) |
Missing | 3 (0.3%) | 8 (0.7%) | 11 (0.5%) |
Time in study | |||
Original IP1 sample | 381 (36%) | 404 (36%) | 785 (36%) |
IP4/7/10 refreshment sample | 461 (44%) | 498 (45%) | 959 (44%) |
IP11 refreshment sample | 203 (19%) | 215 (19%) | 418 (19%) |