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Table 3 Mean depression scale score as a function of the presence of diagnosis of depression or receiving antidepressants. Means are standardized to the mean and variance of the scale score for the group without a diagnosis and who did not receive an antidepressant.

From: Measuring depression in nursing home residents with the MDS and GDS: an observational psychometric study

  Cognitively Impaired Group (N = 495) Cognitively Intact Group (N = 209) Total (N = 704)
   Depression Diagnosis   Depression Diagnosis   Depression Diagnosis  
GDS-15   No Yes Total No Yes Total No Yes Total
Antidepressant Use No 0.00 0.14 0.02 0.00 .47 0.06 0.00 0.26 0.03
   (203) (26) (229) (116) (16) (132) (319) (42) (361)
  Yes 0.07 0.43 0.31 0.29 0.36 0.09 0.16 0.41 0.32
   (42) (86) (128) (30) (41) (71) (72) (127) (199)
  Total 0.01 0.36 0.12 0.06 0.39 0.15 0.03 0.37 0.13
   (245) (112) (357) (146) (57) (203) (391) (169) (560)
GDS-5           
Antidepressant Use No 0.00 0.05 0.01 0.00 0.51 0.06 0.00 0.23 0.03
   (199) (23) (222) (115) (16) (131) (314) (39) (353)
  Yes 0.00 0.31 0.21 0.23 0.28 0.26 0.09 0.30 0.22
   (44) (86) (130) (30) (39) (69) (74) (125) (199)
  Total 0.00 0.26 0.08 0.05 0.35 0.13 0.02 0.29 0.10
   (243) (109) (352) (145) (55) (200) (388) (164) (552)
E1SUM           
Antidepressant Use No 0.00 0.43 0.05 0.00 0.23 0.03 0.00 0.37 0.05
   (295) (39) (334) (119) (18) (137) (414) (57) (471)
  Yes 0.60 0.55 0.57 0.48 -.06 0.18 0.55 0.37 0.44
   (62) (99) (161) (31) (41) (72) (93) (140) (233)
  Total 0.11 0.52 0.22 0.10 0.04 0.08 0.10 0.37 0.18
   (357) (138) (495) (150) (59) (209) (507) (197) (704)
DRS           
Antidepressant Use No 0.00 0.40 0.05 0.00 0.16 0.02 0.00 0.32 0.04
   (294) (39) (333) (119) (18) (137) (413) (57) (470)
  Yes 0.59 0.59 0.59 0.51 -0.15 0.13 0.56 0.33 0.42
   (62) (99) (161) (31) (41) (72) (93) (140) (233)
  Total 0.10 0.54 0.22 0.11 -0.06 0.06 0.10 0.33 0.17
   (356) (138) (494) (150) (59) (209) (506) (197) (703)
  1. Abbreviations: GDS-15, 15-item Geriatric Depression Scale; GDS-5, 5-item Geriatric Depression Scale; DRS, Minimum Data Set (MDS) Depression Rating Scale; E1SUM denotes the sum of all mood and anxiety items in section E1 of the MDS