Table 1 Sociodemographic and clinical characteristics of the participants.

From: Psychometric evaluation of the Depression Anxiety Stress Scale 8 among women with chronic non-cancer pelvic pain

Participant characteristics

Whole sample

(N = 214)

Cluster 1

(n = 141)

Cluster 2

(n = 73)

p

Age in years mean (SD)

33.3 ± 12.4

33.8 ± 12.0

32.4 ± 13.4

0.477

Pain days mean (SD)

17.8 ± 9.6

16.9 ± 9.7

20.1 ± 9.1

0.014

Pain free days MD (IQR)

10.0 (2.8–20.0)

15.0 (4.0–21.0)

7.0 (1.0–15.0)

0.017

Stabbing pelvic pain

Yes

185 (87.7%)

119 (85.6%)

66 (91.7%)

0.205

No

26 (12.3%)

20 (14.4%)

6 (8.3%)

Stabbing pelvic pain severity mean (SD)

7.6 ± 1.8

7.3 ± 1.8

8.0 ± 1.7

0.015

Current pelvic pain severity MD (IQR)

4.0 (1.0–5.0)

3.0 (0–5.0)

5.0 (2.0–7.0)

0.001

Sex pain

Yes

149 (82.8%)

100 (80.6%)

49 (87.5%)

0.259

No

31 (17.2%)

24 (19.4%)

7 (12.5%)

Sex pain severity mean (SD)

6.0 ± 2.0

6.1 ± 2.0

7.3 ± 1.7

0.001

Sexual assault

Yes

27 (16.1%)

8 (7.2%)

19 (33.3%)

0.001

No

141 (83.9%)

103 (92.8%)

38 (66.7%)

Headache severity mean (SD)

7.0 ± 1.8

6.6 ± 1.9

7.7 ± 1.5

0.001

Menopausal status

Premenopausal

188 (89.5%)

123 (88.5%)

65 (89.0%)

0.764

Menopausal

24 (11.4%)

16 (11.5%)

8 (11.0%)

 

Current psychiatric comorbidity

Yes

61 (29.3%)

26 (18.8%)

35 (50.0%)

0.001

No

147 (70.7%)

112 (81.2%)

35 (50.0%)

Comorbid psychiatric disorders

MDD

13 (21.3%)

7 (26.9%)

6 (17.1%)

0.774

GAD

14 (23.0%)

6 (23.1%)

8 (22.9%)

MDD comorbid with GAD

28 (45.9%)

11 (42.3%)

17 (48.6%)

Others

6 (9.8%)

2 (7.7%)

4(11.4%)

Bloating

Yes

163 (88.6%)

103 (85.8%)

60 (93.8%)

0.108

No

21 (11.4%)

17 (14.2%)

4 (6.2%)

Bowel pain

Yes

144 (78.7%)

86 (72.9%)

58 (89.2%)

0.010

No

39 (21.3%)

32 (27.1%)

7 (10.8%)

Subjective experience of anxiety

Yes

118 (58.1%)

52 (39.4%)

66 (93.0%)

0.001

No

39 (41.9%)

80 (60.6 ±)

5 (7.0%)

Subjective experience of low mood

Yes

118 (63.4%)

55 (47.0%)

63 (91.3%)

0.001

No

68 (36.6%)

62 (53.0%)

6 (8.7%)

Fatigue

Yes

146 (77.7%)

81 (68.1%)

65 (94.2%)

0.001

No

42 (22.3%)

38 (31.9%)

4 (5.8%)

Sleep problems

Yes

117 (59.4%)

63 (49.6%)

54 (77.1%)

0.001

No

80 (40.6%)

64(50.4%)

16(22.9%)

Dizziness

Yes

113 (58.9%)

60 (49.6%)

53 (77.9%)

0.006

No

79 (41.1%)

61(50.4%)

15(22.1%)

Unusual sweating

Yes

69 (34.8%)

35 (26.9%)

34 (50.0%)

0.002

No

129 (65.2%)

95 (73.1%)

34 (50.0%)

Nausea

Yes

92 (52.9%)

49 (33.6%)

43 (74.1%)

0.001

No

82 (47.1%)

97 (66.4%)

15 (25.9%)

  1. N ranges between 127 and 211, SD: standard deviation, MD: median, IQR: interquartile range, MDD: Major depression disorder, GAD: Generalized anxiety disorder.