Table 2: Hazard ratios for mortality by dental status, Leisure World Cohort Study, 1992–2009.

MenWomen
No.Model 1*Model 2* No.Model 1*Model 2*
HR95% CIHR95% CIHR95% CIHR95% CI

Number of natural teeth

26–326591.001.0017091.001.00
16–255411.040.92–1.181.030.91–1.1711311.010.93–1.100.970.89–1.06
1–153431.221.07–1.411.211.05–1.406271.231.11–1.361.171.06–1.30
02211.331.13–1.561.181.00–1.393801.301.15–1.471.211.07–1.37

Number of natural teeth

20–3210531.001.0025511.001.00
1–194901.110.99–1.251.090.97–1.239161.191.10–1.301.151.06–1.25
(i) Dentures—yes 4461.121.00–1.301.100.98–1.248091.191.09–1.301.151.05–1.25
(ii) Dentures—no441.030.75–1.401.010.74–1.391071.210.99–1.491.160.95–1.43
02211.291.11–1.511.150.98–1.343801.311.16–1.471.241.10–1.39

Adequate masticatory function: 10+ upper teeth and 6+ lower teeth

Yes10171.001.0024981.001.00
No7471.161.05–1.291.121.01–1.2413491.221.13–1.311.171.08–1.26
(i) Dentures—yes6801.161.05–1.291.111.00–1.2412051.211.12–1.301.161.07–1.25
(ii) Dentures—no671.180.91–1.521.190.92–1.551441.331.12–1.591.251.05–1.50

Dentures

None7661.001.0017861.001.00
Partial or partial plus one jaw full7111.080.97–1.211.060.95–1.1813591.081.00–1.171.050.97–1.14
Full upper and lower2131.291.10–1.511.140.96–1.343441.221.08–1.381.141.01–1.30
Unknown741.250.97–1.601.270.99–1.643580.940.83–1.070.920.81–1.04

*Model 1: adjusted for age at entry.
   Model 2: adjusted for age at entry, smoking, alcohol, caffeine, active activities, other activities, body mass index, high blood pressure, angina, heart attack,   stroke, diabetes, rheumatoid arthritis, and cancer.