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. 2013 Jul 9;1:e98. doi: 10.7717/peerj.98

Table 4. EuroQol (EQ-5D) distribution (percentage) among participant with depression and anxiety disorders, by comorbidity and single diagnosis.

Clinically significant depression or anxiety Major depression or GAD
EQ-5D dimension Comorbidity No comorbidity Total Test statistics Comorbidity No comorbidity Total Test statistics
Mobility No problem 82 (82.8%) 95 (88.8%) 177 (85.9%) χ2(N = 206, df = 2) = 1.57, ns 32 (88.9%) 78 (83.9%) 110 (85.3%) χ2(N = 129, df = 2) = .60, ns
Moderate 16 (16.2%) 11 (10.3%) 27 (13.1%) 4 (11.1%) 13 (14.0%) 17 (13.2%)
Severe 1 (1.0%) 1 (0.9%) 2 (1.0%) 0 (0.0%) 2 (2.2%) 2 (1.6%)
Self-care No problem 92 (92.0%) 103 (97.2%) 195 (94.7%) χ2(N = 206, df = 2) = 3.23, ns 34 (91.9%) 89 (95.7%) 123 (94.6%) χ2(N = 130, df = 2) = .82, ns
Moderate 7 (7.0%) 2 (1.9%) 9 (4.4%) 2 (5.4%) 3 (3.2%) 5 (3.8%)
Severe 1 (1.0%) 1 (0.9%) 2 (1.0%) 1 (2.7%) 1 (1.1%) 2 (1.5%)
Usual activities No problem 57 (57.0%) 87 (81.3%) 144 (69.6%) χ2(N = 207, df = 2) = 15.4, p < .001 15 (40.5%) 69 (74.2%) 8.4 (64.6%) χ2(N = 130, df = 2) = 15.6, p < .001
Moderate 37 (37.0%) 15 (14.0%) 52 (25.1%) 20 (54.1%) 18 (19.4%) 38 (29.2%)
Severe 6 (6.0%) 5 (4.7%) 11 (5.3%) 2 (5.4%) 6 (6.5%) 8 (6.2%)
Pain/discomfort No problem 25 (25.0%) 48 (45.3%) 73 (35.4%) χ2(N = 206, df = 2) = 10.7, p < .01 10 (27.0%) 37 (39.8%) 47 (36.2%) χ2(N = 130, df = 2) = 2.3, ns
Moderate 57 (57.0%) 49 (46.2%) 106 (51.5%) 22 (59.5%) 42 (45.2%) 64 (49.2%)
Severe 18 (18.0%) 9 (8.5%) 27 (13.1%) 5 (13.5%) 14 (15.1%) 19 (14.6%)
Anxiety/depression No problem 2 (2.0%) 13 (12.1%) 15 (7.2%) χ2(N = 207, df = 2) = 28.8, p < .001 0 (0.0%) 5 (5.3%) 5 (3.8%) χ2(N = 130, df = 2) = 19.6, p < .001
Moderate 66 (66.0%) 88 (82.2%) 154 (74.4%) 18 (50.0%) 76 (80.9%) 94 (72.3%)
Severe 32 (32.0%) 6 (5.6%) 38 (18.4%) 18 (50.0%) 13 (13.8%) 31 (23.8%)

Notes.

‘Clinically significant depression and anxiety’ was defined as having a score of at least 10 on either or both of the PHQ-9 and the GAD-7. ‘Major depression or GAD’ was defined as either having a diagnosis of major depression using the PHQ-9 algorithm, or having a score of at least 5.7 on the GAD-Q-IV, or both. GAD: Generalized Anxiety Disorder. PHQ-9: 9-item Patient Health Questionnaire Depression Scale; GAD-7: 7-item Generalized Anxiety Disorder Scale; GAD-Q-IV: Generalized Anxiety Disorder Questionnaire-IV.