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Table 5 Mean values (SD) of WHODAS-2.0 sum score by categories of covariates associated with general disability

From: Clinical validity of the 12-item WHODAS-2.0 in a naturalistic sample of outpatients with psychotic disorders

Covariate

 

Disability categories

   

Age

Overall

(n = 881)

Age < 53

(n = 429)

Age ≥ 53

(n = 452)

p-valuea

Difference

(95% CI)

Cohen’s db

 

22.8 (9.4)

21.8 (8.3)

23.8 (10.3)

0.002

1.9 (0.7, 3.2)

0.21

Living situationc

Overall

(n = 857)

Independent

(n = 477)

Assisted

(n = 380)

   
 

22.7 (9.3)

20.2 (7.9)

25.9 (10.1)

<  0.0001

5.7 (4.5, 6.9)

0.60

Medical

comorbidityd

Overall

(n = 881)

No

(n = 711)

Yes

(n = 170)

   
 

22.8 (9.4)

22.5 (9.4)

24.2 (9.4)

0.03

1.7 (0.8, 3.3)

0.18

Antipsychotic

medication

Overall

(n = 843)

No

(n = 61)

Yes

(n = 782)

   
 

22.8 (9.3)

20.4 (7.6)

22.9 (9.4)

0.014

2.6 (0.2, 4.6)

0.28

PANSS-8-items sum score

Overall

(n = 495)

Score ≤ 14

(n = 261)

Score > 14

(n = 234)

   
 

23.1 (9.2)

19.9 (8.0)

26.6 (9.0)

<  0.0001

6.8 (5.3, 8.3)

0.74

  1. a) Two-sample t-test.
  2. b) Difference in mean / pooled SD.
  3. c) Independent = Living in own housing without assistance, Assisted = Living in own housing with assistance or in a group home.
  4. d) At least one clinical diagnosis of COPD, diabetes mellitus, CVD, thyroid disease, or kidney disease