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. Author manuscript; available in PMC: 2023 Nov 10.
Published in final edited form as: Behav Res Ther. 2020 Jan 17;126:103555. doi: 10.1016/j.brat.2020.103555

Table 3.

Clutter Volume and Functional Impairment Across Samples, M (SD) or Frequency of Difficulties (%)

Research Samples Community Samples Comparison: Research vs. Community
Measure Frost N = 217 Tolin N = 46 Woody N = 74 Boston N = 132 Hamilton N = 108 Vancouver 1 N = 138 Vancouver 2 N = 109 Research N = 337 Community N = 487

CIR 3.8 (1.6) 3.8 (1.7) 3.9 (1.4) 4.4 (1.7) - - 6.3 (1.2) 3.8 (1.6) 5.3 (1.7) χ2 = 4.7, p = .03 b = 1.50, [0.21, 2.80]
Mobility 104 (64%) 30 (75%) 47 (64%) 88 (77%) 70 (65%) 110 (80%) - 181 (66%) 268 (74%) χ2 = 3.5, p = .06
OR = 1.49, [0.87, 2.40]
Kitchen 73 (45%) 20 (50%) 36 (49%) 37 (32%) 67 (64%) 53 (38%) - 129 (47%) 157 (44%) χ2 = 0.1, p = .71
OR = 0.88, [0.40, 1.94]
Bathroom 26 (16%) 9 (23%) 4 (6%) 9 (8%) 28 (27%) 18 (13%) - 39 (14%) 55 (15%) χ2 = 0.03, p = .85
OR = 1.09, [0.35, 3.53]
Structural 19 (12%) 5 (13%) - 9 (8%) 30 (38%) 5 (4%) - 24 (12%) 44 (13%) χ2 = 0.002, p = .97
OR = 1.03, [0.14, 8.41]
Utilities 5 (3%) 1 (3%) - 8 (7%) 3 (3%) 14 (10%) - 6 (3%) 25 (7%) χ2 = 3.2, p = .08
OR = 2.44, [0.77, 7.85]
Squalor 29 (18%) 4 (10%) - 58 (50%) 61 (57%) 68 (49%) - 33 (16%) 187 (52%) χ2 = 61.5, p < .001
OR = 5.50, [3.64, 8.80]
Fire Hazards 51 (32%) 7 (18%) - 52 (45%) 38 (44%) 67 (49%) - 58 (29%) 157 (46%) χ2 = 16.1, p < .001
OR = 2.14, [1.48, 3.33]
Fire Safety 63 (39%) 14 (35%) 14 (19%) 71 (62%) 96 (90%) 80 (58%) - 91 (33%) 247 (69%) χ2 = 11.0, p < .001
OR = 5.96, [1.75, 21.74]

Note: CIR (Clutter Image Rating) score is average of ratings for kitchen, living room, and main bedroom except for Vancouver 2 which used one global rating. See Table 1 for details on the coding of the functional impairment variables. Bracketed numbers are 95% CI for the research vs. community comparison.