Dental Health Behaviors, Dentition, and Mortality in the Elderly: The Leisure World Cohort Study
Table 2
Hazard ratios for mortality by dental status, Leisure World Cohort Study, 1992–2009.
Men
Women
No.
Model 1*
Model 2*
No.
Model 1*
Model 2*
HR
95% CI
HR
95% CI
HR
95% CI
HR
95% CI
Number of natural teeth
26–32
659
1.00
1.00
1709
1.00
1.00
16–25
541
1.04
0.92–1.18
1.03
0.91–1.17
1131
1.01
0.93–1.10
0.97
0.89–1.06
1–15
343
1.22
1.07–1.41
1.21
1.05–1.40
627
1.23
1.11–1.36
1.17
1.06–1.30
0
221
1.33
1.13–1.56
1.18
1.00–1.39
380
1.30
1.15–1.47
1.21
1.07–1.37
Number of natural teeth
20–32
1053
1.00
1.00
2551
1.00
1.00
1–19
490
1.11
0.99–1.25
1.09
0.97–1.23
916
1.19
1.10–1.30
1.15
1.06–1.25
(i) Dentures—yes
446
1.12
1.00–1.30
1.10
0.98–1.24
809
1.19
1.09–1.30
1.15
1.05–1.25
(ii) Dentures—no
44
1.03
0.75–1.40
1.01
0.74–1.39
107
1.21
0.99–1.49
1.16
0.95–1.43
0
221
1.29
1.11–1.51
1.15
0.98–1.34
380
1.31
1.16–1.47
1.24
1.10–1.39
Adequate masticatory function: 10+ upper teeth and 6+ lower teeth
Yes
1017
1.00
1.00
2498
1.00
1.00
No
747
1.16
1.05–1.29
1.12
1.01–1.24
1349
1.22
1.13–1.31
1.17
1.08–1.26
(i) Dentures—yes
680
1.16
1.05–1.29
1.11
1.00–1.24
1205
1.21
1.12–1.30
1.16
1.07–1.25
(ii) Dentures—no
67
1.18
0.91–1.52
1.19
0.92–1.55
144
1.33
1.12–1.59
1.25
1.05–1.50
Dentures
None
766
1.00
1.00
1786
1.00
1.00
Partial or partial plus one jaw full
711
1.08
0.97–1.21
1.06
0.95–1.18
1359
1.08
1.00–1.17
1.05
0.97–1.14
Full upper and lower
213
1.29
1.10–1.51
1.14
0.96–1.34
344
1.22
1.08–1.38
1.14
1.01–1.30
Unknown
74
1.25
0.97–1.60
1.27
0.99–1.64
358
0.94
0.83–1.07
0.92
0.81–1.04
*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.
