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. 2021 Mar 10;21:147. doi: 10.1186/s12888-021-03101-9

Table 5.

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

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

a) Two-sample t-test.

b) Difference in mean / pooled SD.

c) Independent = Living in own housing without assistance, Assisted = Living in own housing with assistance or in a group home.

d) At least one clinical diagnosis of COPD, diabetes mellitus, CVD, thyroid disease, or kidney disease