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Table 5 Fit indices for confirmatory factor analyses of factor structures proposed in previous studies

From: Psychometric properties of the Danish Hospital Anxiety and Depression Scale in patients with cardiac disease: results from the DenHeart survey

    RMSEA   
Models Number of factors Sub scale content RMSEA 90% CI p-value CFI TLI
Zigmond and Snaith 1983 [5] 2 HADS-A:
1,3,5,7,9,11,13
HADS-D:
2,4,6,8,10,12,14
0.071 0.069;0.072 < 0.001 0.973 0.968
Dunbar et al. 2000 [43] 3 Negative affect:
1,5,7,11
Autonomic anxiety:
3,9,13
Depression:
2,4,6,8,10,12,14
0.061 0.059;0.062 < 0.001 0.981 0.976
Friedman et al. 2001 [44] 3 Psychomotor agitation:
1,7,11
Psychic anxiety:
3,5,9,13
Depression:
2,4,6,8,10,12,14
0.060 0.058;0.061 < 0.001 0.981 0.977
Caci et al. 2003 [42] 3 Anxiety:
1,3,5,9,13
Depression:
2,4,6,8,10,12
Restlessness:
7,11,14
0.064 0.062;0.065 < 0.001 0.979 0.974
Kaur et al. 2015 [15] 3 Anxiety:
1,3,5,7,9,11,13
Anhedonia:
2,4,6,14
Psychomotor retardation:
8,10,12
0.069 0.068;0.071 < 0.001 0.975 0.969
Cosco et al. 2012 [21] 1 1,2,3,4,5,6,7,9,10,11,12,13 0.111 0.109;0.113 < 0.001 0.945 0.932