Skip to main content

Advertisement

Table 1 Number of women aged 38 and 50 years who participated in the dental examinations of the Population Study of Women in Gothenburg, and mean and median number of teeth and standard deviation (SD) in the studies in 1968/69, 1980/81, 1992/93 and 2004/05 *

From: Trends in tooth loss in relation to socio-economic status among Swedish women, aged 38 and 50 years: repeated cross-sectional surveys 1968-2004

   1968/69 1980/81 1992/93 2004/05
Age 38 Participants 356 109 67 207
Participation rate 87.5% 75.2% 72.8% 59.5%
Mean number of teeth 22.2 24.9 28.1 29.0
Median 24.0 27.0 28.0 29.0
  SD 7.0 5.9 2.2 2.5
Age 50 Participants 390 323 98 293
Participation rate 89.4% 76.4% 77.2% 57.7%
Mean number of teeth 14.6 20.9 23.9 27.3
Median 17.0 23.0 26.0 28.0
  SD 9.6 7.2 6.2 3.3
  1. *Statistically significant differences (p < 0.05) concerning mean number of remaining teeth between all examinations and age groups except between 1992/93 and 2004/05 for the 38-year-olds.
  2. The analyses of variance method was applied including a post-hoc analysis (LSD).