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Table 1 Characteristics of the study participants and the recipients on dental care services

From: Sociodemographic inequities in dental care utilisation among governmental welfare recipients in Japan: a retrospective cohort study

Character Category Analysis 1 Participants on dental care Analysis 2 Participants on dental care
Total participants Population at risk
(N = 5717) (n = 2059) (N = 4497) (n = 839)
N (%) n, % for N N (%) n, % for N
Age Mean (SD) 62.6 (15.9) 60.2 (15.8) 63.0 (15.9) 59.2 (15.6)
Sex Male 2790 (48.8) 950, 34.1% 2216 (49.3) 376, 17.0%
Female 2927 (51.2) 1109, 37.9% 2281 (50.7) 463, 20.3%
Living alone Yes 3762 (65.8) 1353, 36.0% 2943 (65.4) 534, 18.1%
No 1955 (34.2) 706, 36.1% 1554 (34.6) 305, 19.6%
Working status Yes 1088 (19.0) 433, 39.8% 856 (19.0) 201, 23.5%
No 4629 (81.0) 1626, 35.1% 3641 (81.0) 638, 17.5%
Nationality Japanese 5558 (97.2) 1986, 35.7% 4373 (97.2) 801, 18.3%
Other 159 (2.8) 73, 45.9% 124 (2.8) 38, 30.6%
Long-term care status None 4896 (85.6) 1762, 36.0% 3870 (86.1) 736, 19.0%
Support required 202 (3.5) 62, 30.7% 163 (3.6) 23, 14.1%
Care needs 619 (10.8) 235, 38.0% 464 (10.3) 80, 17.2%
Disabilities certificate None 4645 (81.2) 1605, 34.6% 3709 (82.5) 669, 18.0%
Mental disability 536 (9.4) 246, 45.9% 392 (8.7) 102, 26.0%
Intellectual disability 83 (1.5) 33, 39.8% 59 (1.3) 9, 15.3%
Physical disability 453 (7.9) 175, 38.6% 337 (7.5) 59, 17.5%
Municipality A 4213 (73.7) 1537, 36.5% 3310 (73.6) 634, 19.2%
B 1504 (26.3) 522, 34.7% 1187 (26.4) 205, 17.3%
  1. Analysis 1 includes all eligible participants, and Analysis 2 includes population at risk after excluding cases at the first three months. SD Standard Deviation