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Table 1 Sociodemographic and clinical characteristics of PPEP4All-PDD and CAU participants

From: The clinical effectiveness of a self-management intervention for patients with persistent depressive disorder and their partners/caregivers: results from a multicenter, pragmatic randomized controlled trial

Characteristic

Total

(N = 70)

PPEP4All-PDD

(n = 37)

PPEP4All-PDD partner

(n = 14)

CAU

(n = 33)

Test statistic

p-value

Age, mean (SD)

57 (11.7)

55 (10.4)

58 (14.6)

59 (12.8)

t(68) =  − 1.31

0.19

Gender

 Female, n (%)

48 (68.6%)

26 (70.3%)

6 (42.9%)

22 (66.7%)

χ2(1) = 0.10

0.75

 Male, n (%)

22 (31.4%)

11 (29.7%)

8 (57.1%)

11 (33.3%)

  

Ethnic backgrounda

 Dutch, n (%)

53 (75.7%)

29 (78.4%)

12 (85.7%)

24 (72.7%)

χ2(1) = 0.30

0.58

 Other, n (%)

17 (24.3%)

8 (21.6%)

2 (14.3%)

9 (27.3%)

  

Education levelb

 Lower education, n (%)

23 (32.9%)

26 (70.3%)

3 (21.4%)

21 (63.6%)

χ2(1) = 0.35

0.55

 Higher education, n (%)

47 (67.1%)

11 (29.7%)

11 (78.6%)

12 (36.4%)

  

Employment statusc

 Employed, n (%)

7 (10.0%)

4 (10.8%)

5 (35.7%)

3 (9.1%)

χ2(1) = 0.06

1.00

 Unemployed/retired, n (%)

63 (90.0%)

33 (89.2%)

9 (64.3%)

30 (90.9%)

  

Marital status

 Married/cohabitating, n (%)

39 (55.7%)

21 (56.8%)

11 (78.6%)

18 (54.5%)

χ2(1) = 0.03

0.85

 Other (single, widowed, divorced), n (%)

31 (44.3%)

16 (43.2%)

3 (21.4%)

15 (45.5%)

  

Depressive symptoms (IDS-SR), mean (SD)

34.5 (14.9)

33.6 (15.3)

35.6 (14.6)

t(68) =  − 0.54

0.59

Psychopathological symptoms (SQ-48), mean (SD)

62.5 (27.4)

61.73 (31.0)

63.33 (23.1)

t(68) =  − 0.24

0.81

Bothered-By Problem (B4CZ-Bb), mean (SD)d

25.6 (15.9)

27.1 (16.0)

8.3 (8.5)

24.1 (15.8)

t(67) = 0.79

0.43

Need for help (B4CZ-NfH), mean (SD)

27.8 (16.2)

28.6 (17.9)

12.1 (11.0)

26.9 (14.3)

t(67) = 0.42

0.68

Mental resilience (BRS), mean (SD)

2.3 (0.7)

2.3 (0.7)

2.2 (0.7)

t(68) = 0.43

0.67

Well-being/unhappiness (SRH), median (IQR)e

4.5 (2.0)

5.0 (2.0)

4.0 (2.0)

U = 553.00

0.48

  1. PPEP4All-PDD Patient and Partner Education Program for All Chronic Diseases-Persistent Depressive Disorder, CAU care as usual, SD standard deviation, IDS-SR Inventory of Depressive Symptomatology-Self Report, SQ-48 Symptom-Questionnaire 48, B4CZ Questionnaire on Burden of Chronic Disease for Patients, BRS Brief Resilience Scale, SRH Self-Rated Happiness, IQR interquartile range
  2. aDutch ethnic background was assumed when the patient and both parents were born in the Netherlands
  3. bLower education was defined as having completed elementary school, lower general primary education or no education at all, whereas higher education was defined as having more than lower education and includes university studies
  4. cTested using Fisher’s exact probability test
  5. dBothered-By Problem also referred to Psychosocial Burden
  6. eTested using Mann–Whitney U test, and higher score reflects higher levels of unhappiness