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Table 3 Comparison of characteristics of included and excluded residents

From: Oral/dental items in the resident assessment instrument – minimum Data Set 2.0 lack validity: results of a retrospective, longitudinal validation study

  Study cohort Excluded cohort P
Sample size 2711 5132 NA
Age assessment
 Age (Mean ± SD) 84.4 ± 8.9 84.6 ± 9.0 0.266
Sex
Female 1849 (68.2 %) 3078 (60.0 %) <0.001
Functional abilities
Activities of Daily Living – Hierarchical (ADL-H) score > 3 867 (32.0 %) 2180 (42.5 %) <0.001
Cognitive Performance Scale (CPS) score > 3 651 (24.0 %) 1450 (28.3 %) <0.001
Behavior/mood
Resists care (at least once per week) 742 (27.4 %) 1572 (30.6 %) 0.003
Depression Rating Scale score > 2 673 (24.8 %) 1450 (28.3 %) 0.001
Medical diagnoses
 Dementia 1606 (59.2 %) 3067 (59.8 %) 0.663
Diabetes mellitus 522 (19.3 %) 1099 (21.4 %) 0.026
 Atherosclerotic heart disease 175 (5.8 %) 305 5.9 %) 0.801
Pneumonia 42 (1.5 %) 116 (2.3 %) 0.035
Dentate status
 Dentate 754 (27.8 %) 1474 (28.7 %) 0.400
Dentures 1502 (55.4 %) 2648 (51.6 %) 0.001
No dentures 455 (16.8 %) 1010 (19.7 %) 0.002
Oral health
 Tooth problems (L1d = yes)a 96 (3.5 %) 194 (3.8 %) 0.615
 Periodontal problems (L1e = yes)a 26 (1.0 %) 66 (1.3 %) 0.226
 Mouth pain (K1c = yes)a 28 (1.0 %) 60 (1.2 %) 0.653
 Any oral/dental problemb 129 (4.8 %) 282 (5.5 %) 0.166
Chewing problem (K1a = yes) 355 (13.1 %) 880 (17.1 %) <0.001
Swallowing problem (K1b = yes) 324 (12.0 %) 866 (19.9 %) <0.001
Debris (L1a = yes) 284 (10.5 %) 752 (14.7 %) <0.001
No daily cleaning (L1f = no) 171 (6.3 %) 228 (4.4 %) <0.001
  1. Bold = statistically significant (p < .05)
  2. aSum of Residents with L1d = yes, L1e = yes and K1c = yes may be bigger than the number of residents with oral/dental issues, as residents may have more than on oral/dental problem
  3. bCount of residents who had one or more of tooth problems, periodontal problems, or mouth pain