Table 1 Participant characteristics at baseline and follow-up
| Â | Baseline | Follow-up | |||
|---|---|---|---|---|---|
Randomised (n = 412) | Allocated (n = 407) | 6-month (n = 185) | 12-month (n = 153) | ||
Gender | Male | 166 (40.3%) | 164 (40.3%) | 79 (42.7%) | 66 (43.1%) |
Female | 246 (59.7%) | 243 (59.7%) | 106 (57.3%) | 87 (56.9%) | |
Age category | 18–34 years | 125 (30.4%) | 130 (31.9%) | 46 (24.9%) | 43 (28.1%) |
35–64 years | 214 (51.9%) | 205 (50.4%) | 102 (55.1%) | 77 (50.3%) | |
65+ years | 70 (17.0%) | 70 (17.2%) | 36 (19.5%) | 32 (20.9%) | |
Missing data | 3 (0.7%) | 2 (0.05%) | 1 (0.5%) | 1 (0.7%) | |
Household income | £0–15,599 | 141 (34.2%) | 136 (33.4%) | 51 (27.6%) | 34 (22.2%) |
£15,600–31,199 | 142 (34.5%) | 142 (34.9%) | 72 (38.9%) | 65 (42.5%) | |
£31,200+ | 129 (31.3%) | 129 (31.7%) | 62 (33.5%) | 54 (35.3%) | |
Education | GCSE or less | 139 (33.7%) | 191 (46.9%) | 92 (49.7%) | 68 (44.4%) |
A-levels | 145 (35.2%) | 89 (21.9%) | 35 (18.9%) | 33 (21.6%) | |
Degree+ | 128 (31.1%) | 127 (31.2%) | 58 (31.4%) | 52 (34.0%) | |
IMD decile | Low (1–3) | 172 (41.7%) | 173 (42.5%) | 75 (40.5%) | 59 (38.6%) |
Medium (4–7) | 135 (32.8%) | 131 (32.2%) | 60 (32.4%) | 54 (35.3%) | |
High (8–10) | 100 (24.3%) | 98 (24%) | 46 (24.9%) | 39 (25.4%) | |
Missing | 5 (1.2%) | 5 (1.2%) | 4 (2.2%) | 1 (0.7%) | |
Natural teeth | < 20 | 71 (17.2%) | 68 (16.7%) | 28 (15.1%) | 25 (16.3%) |
20+ | 341 (82.8%) | 339 (83.3%) | 157 (84.9%) | 128 (83.7%) | |
Dental attendance | Infrequent: < 6 in 5 years | 96 (23.3%) | 97 (23.8%) | 42 (22.7%) | 32 (20.9%) |
Frequent: 6+ in 5 years | 314 (76.2%) | 309 (75.9%) | 142 (76.8%) | 121 (79.1%) | |
Missing | 2 (0.5%) | 1 (0.2%) | 1 (0.5%) | Â | |