Table 2 Relationships between oral health and the incidence of gastrointestinal cancer.

From: Relationship between maximum occlusal force and gastrointestinal cancer in community-dwelling older Japanese adults

Oral health variables

Participants, n

Incidence, n

Model 1

Model 2

HR (95% CI)

Number of remaining teeth

 ≥ 20

361

21

Reference

Reference

10–19

181

14

1.21 (0.61–2.42)

1.25 (0.62–2.52)

1–9

164

17

1.90 (0.97–3.70)

1.79 (0.90–3.55)

Edentulism

137

11

1.61 (0.76–3.43)

1.68 (0.77–3.68)

Maximum occlusal force

Above the median (≥ 307.2 N)

370

18

Reference

Reference

Below the median (< 307.2 N)

369

39

2.73 (1.53–4.89) **

2.80 (1.54–5.10) **

  1. Model 1: adjusted for age and sex. Model 2: adjusted for age, sex, medical history (stroke, diabetes, hypertension, and dyslipidemia), smoking, alcohol drinking, educational level, and physical function.
  2. The analyses of number of remaining teeth and maximum occlusal force were conducted separately.
  3. HR hazard ratio, CI confidence interval.
  4. *P < 0.05; **P < 0.01.
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