Table 1 Characteristics of the study population according to quintiles of waist circumference
Waist circumference | ||||||
|---|---|---|---|---|---|---|
Total n = 1287 | I quintile n = 266 (lowest) | II quintile n = 255 | III quintile n = 236 | IV quintile n = 266 | V quintile n = 264 (highest) | |
Sociodemographic variables | ||||||
Gender, proportion of males, % | 42.5 | 42.4 | 42.6 | 41.0 | 43.9 | 42.2 |
Age, mean (± SD) | 39.6 (±5.7) | 37.5 (±5.2) | 39.3 (±5.6) | 39.0 (±5.9) | 41.2 (±5.3) | 40.9 (±5.7) |
Education | ||||||
Low, % | 11.9 | 7.8 | 12.4 | 10.0 | 13.3 | 15.7 |
Intermediate, % | 36.9 | 29.7 | 32.2 | 42.3 | 38.7 | 41.9 |
High, % | 51.2 | 62.5 | 55.4 | 47.7 | 48.0 | 42.3 |
Dental variables | ||||||
Number of teeth | ||||||
Mean (± SD) | 27.1 (±3.9) | 28.0 (±3.1) | 27.1 (±4.2) | 27.5 (±3.1) | 26.9 (±3.9) | 26.3 (±4.8) |
Median (interquartile range) | 28 (3) | 28 (3) | 28 (2) | 28 (2) | 28 (2) | 28 (4) |
Min, max | 1, 32 | 4, 32 | 1, 32 | 9, 32 | 6, 32 | 3, 32 |
Number of teeth with periodontal pockets ≥ 4 mm | ||||||
Mean (± SD) | 2.6 (±4.0) | 1.8 (±2.9) | 2.5 (±3.7) | 2.2 (±3.5) | 2.7 (±4.0) | 3.6 (±5.2) |
Median (interquartile range) | 1 (3) | 1 (3) | 1 (4) | 1 (3) | 1 (4) | 1 (5) |
Min, max | 0, 28 | 0, 14 | 0, 25 | 0, 20 | 0, 26 | 0, 28 |
Number of teeth with periodontal pockets ≥ 6 mm | ||||||
Mean (± SD) | 0.2 (±1.2) | 0.1 (±0.5) | 0.1 (±0.5) | 0.1 (±0.7) | 0.2 (±0.9) | 0.5 (±2.4) |
Median (interquartile range) | 0.00 (0) | 0.00 (0) | 0.00 (0) | 0.00 (0) | 0.00 (0) | 0.00 (0) |
Min, max | 0, 26 | 0, 4 | 0, 7 | 0, 7 | 0, 9 | 0, 26 |
Dental plaque | ||||||
No dental plaque, % | 40.7 | 46.1 | 43.1 | 46.3 | 38.9 | 29.8 |
Dental plaque at the gingival margins, % | 50.2 | 46.7 | 48.4 | 45.9 | 52.9 | 56.5 |
Dental plaque also elsewhere, % | 9.1 | 7.2 | 8.4 | 7.8 | 8.1 | 13.6 |
Dental visits | ||||||
Regular check-ups, % | 69.0 | 75.1 | 71.0 | 70.9 | 67.7 | 60.3 |
Irregular, % | 31.0 | 24.9 | 29.0 | 29.1 | 32.3 | 39.7 |
Toothbrushing | ||||||
At least twice a day, % | 68.7 | 78.2 | 71.9 | 64.8 | 71.6 | 56.2 |
Daily, % | 27.1 | 18.3 | 26.9 | 31.7 | 24.1 | 35.3 |
Less often, % | 4.2 | 3.4 | 1.2 | 3.5 | 4.2 | 8.5 |
Alcohol consumption, mean (± SD) | 60.3 (±97.7) | 44.2 (±58.7) | 66.1 (±97.7) | 56.8 (±94.9) | 67.0 (±101.6) | 67.5 (±123.1) |
BMI, mean (± SD) | 25.7 (±4.4) | 21.5 (±1.8) | 23.4 (±1.9) | 24.9 (±1.7) | 26.6 (±2.0) | 31.9 (±4.2) |
Lipid-lowering medication, % | 1.2 | 0.0 | 0.8 | 1.3 | 1.5 | 2.6 |