TABLE 1.
Sample characteristics according to risk of periodontal disease
| Characteristic | Total (N = 9476), mean (SD) | Low risk of periodontal disease (n = 7842), mean (SD) | High risk of periodontal disease (n = 1634), mean (SD) | p‐Value |
|---|---|---|---|---|
| Socio‐demographic | ||||
| Sex (female) a , n (%) | 5421 (57.2) | 4381 (55.9) | 1041 (63.7) | <.001 |
| Age (years) | 56.18 (8.00) | 56.47 (7.99) | 54.79 (7.87) | <.001 |
| Ethnicity (White) a , n (%) | 9071 (95.7) | 7528 (95.9) | 1548 (94.7) | .021 |
| TDI score | −1.40 (2.72) | −1.47 (2.69) | −1.08 (2.88) | <.001 |
| Anthropometry | ||||
| Height (cm) | 169.41 (8.98) | 169.58 (8.98) | 168.57 (8.95) | <.001 |
| Weight (kg) | 77.03 (15.58) | 76.86 (15.39) | 77.88 (16.46) | .021 |
| BMI (kg/m2) | 26.76 (4.62) | 26.65 (4.53) | 27.33 (5.00) | <.001 |
| Health and dietary variables | ||||
| Smoking status a , n (%) | ||||
| Current | 621 (6.6) | 514 (6.6) | 108 (6.6) | |
| Previous | 3441 (36.3) | 2780 (35.4) | 662 (40.5) | |
| Never | 5414 (57.1) | 4552 (58.0) | 865 (52.9) | <.001 |
| Alcohol consumption a , n (%) | ||||
| Current | 8919 (94.1) | 7391 (94.2) | 1528 (93.5) | |
| Previous | 301 (3.2) | 237 (3.0) | 64 (3.9) | |
| Never | 261 (2.8) | 218 (2.8) | 43 (2.6) | .166 |
| Energy intake (kcal/day) | 2090.15 (501.93) | 2088.12 (499.81) | 2099.90 (512.02) | .388 |
Note: Continuous data are presented as mean (SD). Differences between periodontal disease risk groups were analysed using independent samples t‐tests for continuous variables and using chi‐squared test for categorical data.
Abbreviations: BMI, body mass index; TDI, Townsend Deprivation Index.
a
Categorical data are presented as frequencies (%).