Table 3 Demographic characteristics for responders and non-responders
From: Improving postal survey response using behavioural science: a nested randomised control trial
Responders (N = 646) | Non-Responders (N = 2056) | |
|---|---|---|
Group allocation | ||
Control | 289 (44.7%) | 1060 (51.6%) |
Intervention | 357 (55.3%) | 996 (48.4%) |
Age (years) | ||
Mean (SD) | 38.3 (11.9) | 37.3 (10.7) |
Missing [n (%)] | 0 (0%) | 1 (0.0005%) |
IMD score | ||
Mean (SD) | 25.7 (16.0) | 27.9 (17.7) |
Missing [n (%)] | 39 (6.0%) | 113 (5.5%) |
IMD quintile | ||
Quintile 1 (most deprived) | 156 (25.7%) | 653 (33.6%) |
Quintile 2 | 176 (29.0%) | 447 (23.0%) |
Quintile 3 | 128 (21.1%) | 367 (18.9%) |
Quintile 4 | 88 (14.5%) | 263 (13.5%) |
Quintile 5 (least deprived) | 59 (9.7%) | 213 (10.9%) |
NHS site | ||
Manchester | 513 (79.4%) | 1577 (76.7%) |
London | 133 (20.6%) | 479 (23.3%) |
Test result | ||
1st HPV+/normal cytology | 505 (78.2) | 1697 (82.5%) |
2nd/3rd HPV+/normal cytology | 141 (21.8%) | 359 (17.5%) |