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Table 1 Participant Characteristics

From: Socioeconomic status and remaining teeth in Japan: results from the Toyama dementia survey

  Remaining teeth P
No (n = 275) Yes (n = 898)
n % n %
Attribution Age (years) 65–74 56 20.4 512 57.0 < 0.001
75–84 114 41.5 308 34.3  
≥85 105 38.2 78 8.7  
Sex Male 129 46.9 379 42.2 0.186
Female 146 53.1 519 57.8  
Educational attainment Years of education ≤6 48 17.5 30 3.3 < 0.001
7–9 112 40.7 318 35.4  
≥10 115 41.8 550 61.2  
Occupation Type of occupation White-collar 73 26.5 393 43.8 < 0.001
Blue-collar 137 49.8 295 32.9  
Both 42 15.3 154 17.1  
Other 23 8.4 56 6.2  
Lifestyle Alcohol consumption habit Current drinker 63 22.9 329 36.6 < 0.001
Former drinker 42 15.3 65 7.2  
Nondrinker 170 61.8 504 56.1  
Smoking habit Current smoker 33 12.0 79 8.8 0.016
Former smoker 87 31.6 228 25.4  
Nonsmoker 155 56.4 591 65.8  
Medical History Hypertension Yes 137 49.8 410 45.7 0.240
No 138 50.2 488 54.3  
Hyperlipidemia Yes 41 14.9 166 18.5 0.205
No 234 85.1 732 81.5  
Diabetes Yes 59 21.5 131 14.6 0.009
No 216 78.5 767 85.4  
Stroke Yes 31 11.3 70 7.8 0.085
No 244 88.7 828 92.2  
Angina pectoris/ cardiovascular disease Yes 37 13.5 69 7.7 0.005
No 238 86.5 829 92.3  
Malignant tumor Yes 31 11.3 101 11.2 1.000
No 244 88.7 797 88.8  
Osteoporosis Yes 40 14.5 82 9.1 0.013
No 235 85.5 816 90.9