Table 2 Observed distribution of the participants and information on the distribution of outcome by smoking
Participants | Number of missing teeth | ||
|---|---|---|---|
% | Mean | ≥ 1: % | |
0–10 pack-years | 4 | 1.6 | 60 |
11–20 pack-years | 5 | 2.1 | 69 |
21 or more pack-years | 6 | 2.4 | 67 |
Former smoker | 26 | 1.4 | 55 |
Occasional smoker | 8 | 1.2 | 54 |
Never smoker | 51 | 1.1 | 48 |
1–20 years of smoking | 4 | 1.8 | 62 |
21–30 years of smoking | 8 | 2.2 | 68 |
31 or more years of smoking | 3 | 2.4 | 66 |
Total (n = 1735) | 100 | 1.4 | 53 |