Table 2.

Mokken scaling of the Cardiac Depression Scale (n=603)

Item	Label	Mean	H
11	Dying is the best solution for me	2.07	0.31†
14	There is only misery in the future for me	2.48	0.43†
18	Things which I regret about my life are bothering me	2.78	0.30†
12	I feel in good spirits*	3.00	0.39†
23	I feel independent and in control of my life*	3.13	0.35†
4	I get pleasure from life at present*	3.24	0.35†
20	My memory is as good as it always was*	3.25	0.31†
2	My concentration is as good as it ever was*	3.30	0.35†
15	My mind is as fast and alert as always*	3.30	0.32†
19	I gain as much pleasure from my leisure activities as I used to*	3.49	0.38†
10	I feel like I’m living on borrowed time	3.52	0.40†
24	I lose my temper more easily nowadays	3.52	0.31†
16	I get hardly anything done	3.64	0.40
3	I can’t be bothered doing anything much	3.65	0.34†
1	I have dropped many of my interests and activities	3.67	0.35†
22	I seem to get more easily irritated by others than before	3.88	0.37†
25	I feel frustrated	3.89	0.42
6	I may not recover completely	3.90	0.33
8	I am not the person I used to be	4.17	0.42
17	My problems are not over yet	4.39	0.36

H = 0.36; Rho = 0.92; p= 0.000082; H^T=0.18 for items (†) showing invariant item ordering; NB asterisked items (*) are reverse scored.