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Table 3 Adjusted hazard ratios and 95% confidence intervals for variables associated with all-cause mortality

From: Association between presence of 20 or more natural teeth and all-cause, cancer-related, and cardiovascular disease-related mortality: Yamagata (Takahata) prospective observational study

Variable

 

Adjusted HR

(95% CI)

p value

Tooth number

(< 20 teeth vs ≥ 20 teeth)

1.604

1.007–2.555

0.047*

Age (years)

(per 1 year increase)

1.091

1.059–1.123

 < 0.001*

Sex

(female vs male)

0.434

0.261–0.719

0.001*

BMI (kg/m−2)

(per 1 kg/m2 increase)

0.955

0.898–1.017

0.150

Smoking habit

(Yes vs no)

1.916

1.128–3.257

0.016*

Alcohol consumption (g/day)

(per 1 g/day increase)

0.998

0.989–1.007

0.640

Educational status

(High vs low)

0.938

0.557–1.527

0.798

 

(Middle vs low)

0.701

0.365–1.345

0.285

Hypertension

(Yes vs no)

1.199

0.770–1.865

0.422

Diabetes mellitus

(Yes vs no)

1.779

0.960–3.296

0.067

Perceived mental stress

(Not very often vs never)

0.467

0.224–0.972

0.042*

 

(Sometimes vs never)

0.495

0.247–0.992

0.047*

 

(Most of the time vs never)

0.648

0.255–1.643

0.360

  1. Adjusted for age, sex, body mass index, smoking habit, alcohol consumption, educational status, hypertension, diabetes mellitus, and perceived mental stress
  2. HR hazard ratio, CI confidence interval
  3. *statistically significant (p < 0.05)