Table 1 Characteristics of participants in study samples 1 and 2
Study sample 1 (n = 586) | Study sample 2 (n = 518) | |
|---|---|---|
Sex, n (%) | ||
Female | 294 (50.2) | 357 (68.9) |
Male | 292 (49.8) | 161 (31.1) |
Age, mean (SD) | 75.6 (4.6) | 86.4 (6.9) |
Age, n (%) | ||
70–74 years | 320 (54.6) | 34 (6.6) |
75–79 years | 157 (26.8) | 69 (13.3) |
80 + years | 109 (18.6) | 415 (80.1) |
Education, n (%) | ||
Primary/secondary school (≤ 12 years) | 378 (64.5) | 335 (64.7) |
College/university (> 12 years) | 205 (35.0) | 34 (6.6) |
Unknowna | 3 (0.5) | 149 (28.8) |
Smoking status, n (%) | ||
Never smokers | 210 (35.8) | 170 (32.8) |
Ever smokers | 370 (63.1) | 217 (41.9) |
Unknowna | 6 (1.0) | 131 (25.3) |
Cognitive function, n (%) | ||
No cognitive impairment | 339 (57.8) | 67 (12.9) |
Mild cognitive impairment | 154 (26.3) | 141 (27.2) |
Dementia | 32 (5.5) | 288 (55.6) |
Unknowna | 61 (10.4) | 22 (4.2) |
Self-perceived general health, n (%) | ||
Good | 396 (67.6) | 96 (18.5) |
Poor | 184 (31.4) | 285 (55.0) |
Unknowna | 6 (1.0) | 137 (26.4) |
Self-perceived oral health, n (%) | ||
Good | 473 (80.7) | 311 (60.0) |
Poor | 84 (14.3) | 138 (26.6) |
Unknowna | 29 (4.9) | 69 (13.3) |
Clinical number of teeth, mean (SD) | 21.0 (7.2) | – |
Clinical number of teeth, n (%) | ||
≤ 19 teeth | 162 (27.6) | – |
≥ 20 teeth | 424 (72.4) | – |
Self-reported number of teeth, mean (SD) | 20.8 (7.9) | 8.8 (9.8) |
Edentulousness, n (%) | ||
Clinically recorded edentulous | 22 (3.8) | 217 (41.9) |
Self-reported edentulous | 24 (4.1) | 220 (42.5) |
Fixed prosthodonticsb, mean (SD) | 5.4 (5.1) | |
Fixed prosthodonticsb, n (%) | ||
None | 113 (19.3) | – |
1–2 teeth | 98 (16.7) | – |
3–4 teeth | 93 (15.9) | – |
5 or more teeth | 282 (48.1) | – |