Clinical number of teeth | Self-reported number of teeth | Spearmana | 95% CI | Pearsona | 95% CI | |||
---|---|---|---|---|---|---|---|---|
Median (IQR) | Mean (SD) | Median (IQR) | Mean (SD) | |||||
Total | 23 (19–26) | 21.0 (7.2) | 23 (18–26) | 20.8 (7.9) | 0.86 | 0.84–0.88 | 0.91 | 0.90–0.92 |
Sex | ||||||||
Female | 23 (19–26) | 21.1 (7.2) | 23 (18–26) | 20.7 (7.8) | 0.88 | 0.85–0.91 | 0.93 | 0.91–0.94 |
Male | 23 (18.5–26) | 20.9 (7.2) | 23 (18–26) | 20.8 (8.0) | 0.84 | 0.81–0.88 | 0.90 | 0.87–0.92 |
Age | ||||||||
70–74 years | 25 (21–27) | 22.7 (6.0) | 24 (20–27) | 22.6 (6.7) | 0.83 | 0.80–0.87 | 0.90 | 0.87–0.92 |
75 + years | 21 (16–25) | 18.9 (8.0) | 21 (12–25) | 18.5 (8.7) | 0.87 | 0.84–0.90 | 0.91 | 0.89–0.93 |
Educationb | ||||||||
Primary/secondary school | 22 (17–25) | 19.8 (7.7) | 22 (16–26) | 19.6 (8.2) | 0.88 | 0.85–0.90 | 0.93 | 0.91–0.94 |
College/university | 25 (21–27) | 23.3 (5.5) | 25 (20–27) | 22.9 (6.8) | 0.81 | 0.75–0.85 | 0.85 | 0.81–0.84 |
Smoking statusb | ||||||||
Never smokers | 24 (21–26) | 22.6 (5.6) | 24 (20–26) | 22.6 (6.3) | 0.81 | 0.76–0.85 | 0.87 | 0.84–0.90 |
Ever smokers | 23 (17–26) | 20.2 (7.7) | 22 (15–26) | 19.9 (8.5) | 0.88 | 0.85–0.90 | 0.92 | 0.90–0.93 |
Cognitive functionb | ||||||||
No cognitive impairment | 24 (20–26) | 21.7 (6.8) | 24 (19–27) | 21.2 (7.5) | 0.87 | 0.85–0.90 | 0.91 | 0.89–0.93 |
Mild cognitive impairment | 23 (19–26) | 20.7 (7.2) | 23 (18–26) | 20.8 (8.2) | 0.84 | 0.78–0.88 | 0.90 | 0.86–0.93 |
Dementia | 21 (13.5–23) | 17.6 (8.0) | 20 (10.5–23.5) | 17.3 (8.6) | 0.74 | 0.52–0.87 | 0.85 | 0.71–0.92 |
Self-perceived general healthb | ||||||||
Good | 24 (20–26) | 21.7 (6.7) | 24 (19–27) | 21.5 (7.5) | 0.86 | 0.83–0.88 | 0.91 | 0.89–0.92 |
Poor | 23 (17–25) | 19.5 (8.1) | 21 (14–26) | 19.1 (8.6) | 0.87 | 0.83–0.90 | 0.92 | 0.89–0.94 |
Self-perceived oral healthb | ||||||||
Good | 24 (20–26) | 22.3 (6.2) | 24 (20–27) | 22.2 (7.0) | 0.83 | 0.80–0.86 | 0.88 | 0.86–0.90 |
Poor | 18 (8–22.5) | 15.5 (7.9) | 15 (8–21) | 14.4 (8.0) | 0.91 | 0.86–0.94 | 0.92 | 0.88–0.95 |
Clinical number of teeth | ||||||||
≤ 19 teeth | 14 (6–17) | 11.4 (6.7) | 11 (5–18) | 11.5 (7.7) | 0.90 | 0.86–0.92 | 0.90 | 0.86–0.92 |
≥ 20 teeth | 25 (23–27) | 24.6 (2.5) | 25 (22–27) | 24.3 (4.3) | 0.76 | 0.72–0.80 | 0.67 | 0.61–0.72 |
Fixed prosthodonticsc | ||||||||
None | 21 (4–26) | 15.8 (10.9) | 20 (4–26) | 16.1 (11.2) | 0.98 | 0.97–0.99 | 0.99 | 0.99–1.00 |
1–2 teeth | 25 (21–27) | 23.1 (6.1) | 26 (21–27) | 23.2 (6.4) | 0.91 | 0.87–0.94 | 0.95 | 0.93–0.97 |
3–4 teeth | 24 (21–26) | 22.9 (4.8) | 24 (20–27) | 23.2 (5.3) | 0.83 | 0.75–0.88 | 0.87 | 0.80–0.91 |
5 or more teeth | 23 (19–25) | 21.7 (5.1) | 22 (18–26) | 21.0 (6.6) | 0.75 | 0.69–0.80 | 0.77 | 0.72–0.82 |