Skip to main content

Table 1 Background characteristics of participants

From: Periodontal conditions in a 65-year-old population and prevalence of periodontitis according to three different bone level thresholds

Participants' characteristics n (%)
(N = 454)
Gender
Men 233 (51.3)
Women 221 (48.7)
Country of birth
Western 413 (91.0)
Non-western 41 (9.0)
Education level
Higher education 304 (67.0)
Basic education 150 (33.0)
Smoking
Never-smoker 197 (43.4)
Former-smoker 210 (46.3)
Smoker < 10/day 18 (4.0)
Smoker ≥ 10/day 29 (6.4)
Diabetes
No 420 (92.5)
Type 1 4 (0.9)
Type 2 30 (6.6)