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Table 1 Numbers of subjects by age and sex

From: Oral health-related quality of life and related factors among residents in a disaster area of the Great East Japan Earthquake and giant tsunami

   Age group (in years) Total
18–29 30–39 40–49 50–59 60–69 70–79 ≥ 80
Men No. of subjects 21 47 66 97 245 235 53 764
Population 628 689 792 1,019 1,118 798 366 5,410
Percent 3.3 6.8 8.3 9.5 21.9 29.4 14.5 14.1
Mean age ± SD 24.5 ± 4.2 35.2 ± 2.7 44.2 ± 2.7 55.1 ± 2.8 64.9 ± 2.7 73.9 ± 2.8 82.2 ± 2.0 62.9 ± 14.1
Women No. of subjects 37 100 132 195 405 277 77 1,223
Population 635 603 812 953 1,176 1,131 777 6,087
Percent 5.8 16.6 16.3 20.5 34.4 24.5 9.9 20.1
Mean age ± SD 24.9 ± 3.2 34.4 ± 2.8 44.6 ± 3.8 55.1 ± 2.8 64.3 ± 2.9 73.8 ± 2.6 82.6 ± 2.7 60.4 ± 14.5
Total No. of subjects 58 147 198 292 650 512 130 1,987
Population 1,263 1,292 1,604 1,972 2,294 1,929 1,143 11,497a
Percent 4.6 11.4 12.3 14.8 28.3 26.5 11.4 17.3
Mean age ± SD 24.6 ± 3.7 34.7 ± 2.8 44.4 ± 3.4 55.1 ± 2.8 64.5 ± 2.9 73.8 ± 2.7 82.4 ± 2.4 61.3 ± 14.4
  1. aDefinite number in October, 2011 (source: government of Otsuchi), which is slightly different from the provisional number (11,411) used for distribution of notices of our survey