Table 1

 Baseline characteristics of 12 223 students from the Glasgow Alumni cohort, according to numbers of teeth lost at examination (median age 19 years)

Number of teeth lostp Value§
0–45–89+Not available*
BMI, body mass index.
*Baseline oral health status is not available in these students.
†Values are mean (standard deviation).
‡Median and interquartile range.
§p Values are from χ2 test; one-way analysis of variance or Kruskal–Wallis test to compare the differences between three categories of tooth loss.
Number of students74033192953675
Male students (%)6066 (81.9)2213 (69.3)708 (74.3)582 (86.2)<0.001
Father’s social class (%)
Cigarette smoking (yes) %29.430.335.834.4<0.001
Age (years)†20.1 (2.5)20.2 (2.8)21.3 (3.6)21.3(3.6)<0.001
BMI (kg/m2)†21.6 (2.2)21.5 (2.3)21.3 (2.4)21.5(2.4)0.011
Systolic blood pressure (mm Hg)†130.0 (13.0)129.6 (13.5)129.9 (13.8)127.7(13.4)0.031
Years of follow-up‡45 (13)46 (12)47 (11)43 (11)<0.001
Total deaths94341717996
Deaths from: