Table 1 Description of the population characteristics, and comparison according to periodontal status and country
| Â | Comparison | Age | Gender | Smoking | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
First | Second | n | Mean (SD) | p value | Female n (%) | Male n (%) | p value | Non smokers n (%) | Smokers n (%) | p value | |
Periodontal status group | Health/gingivitis | Â | 55 | 43.00 (8.54) | 0.159a | 32 (58.2) | 23 (41.8) | 0.286b | 46 (83.6) | 9 (16.4) | 0.381b |
|  | Periodontitis I–II |  | 58 | 44.05 (8.77) |  | 33 (56.9) | 25 (43.1) |  | 43 (74.1) | 15 (25.9) |  |
|  | Periodontitis III–IV |  | 60 | 46.03 (8.49) |  | 29 (48.3) | 31 (51.7) |  | 46 (76.7) | 14 (23.3) |  |
Country | Â | Spain | 90 | 45.42 (7.98) | 0.107c | 49 (54.4) | 41 (45.6) | 0.976d | 68 (75.6) | 22 (24.4) | 0.412d |
| Â | Â | Albania | 83 | 43.30 (9.23) | Â | 45 (54.2) | 38 (45.8) | Â | 67 (80.7) | 16 (19.3) | Â |
Periodontal status by country | Health/gingivitis | Spain | 30 | 44.90 (7.47) | 1.000a | 16 (53.3) | 14 (46.7) | 1.000b | 25 (83.3) | 5 (16.7) | 1.000b |
| Â | Â | Albania | 25 | 40.72 (9.31) | Â | 16 (64.0) | 9 (36.0) | Â | 21 (84.0) | 4 (16.0) | Â |
|  | Periodontitis I–II | Spain | 30 | 45.47 (8.69) |  | 16 (53.3) | 14 (46.7) |  | 22 (73.3) | 8 (26.7) |  |
| Â | Â | Albania | 28 | 42.54 (8.75) | Â | 17 (60.7) | 11 (39.3) | Â | 21 (75.0) | 7 (25.0) | Â |
|  | Periodontitis III–IV | Spain | 30 | 45.90 (7.97) |  | 17 (56.7) | 13 (43.3) |  | 21 (70.0) | 9 (30.0) |  |
| Â | Â | Albania | 30 | 46.17 (9.12) | Â | 12 (40.0) | 18 (60.0) | Â | 25 (83.3) | 5 (16.7) | Â |