Table 6.

Reliability of the scale.

	BD males	BD females	BD I	BD II	MDD	BD Total
Mean	24.19 ± 7.99	24.33 ± 8.80	27.08 ± 8.16	20.09 ± 7.59	27.62 ± 7.09	24.32 ± 8.46
Variance	63.77	77.41	66.60	57.64	50.32	71.62
Skewness	−0.70	−0.27	−0.40	−0.32	−0.06	−0.05
Kurtosis	−0.64	−0.62	−0.71	−0.02	−0.15	−0.25
Minimum	2	8	5	2	12	2
Maximum	42	46	46	40	41	46
Cronbach's α (raw)	0.79	0.83	0.77	0.85	0.77	0.81
Inter-item correlation	0.17	0.21	0.15	0.25	0.16	0.19
Cronbach's α (stand.)	0.80	0.83	0.77	0.86	0.78	0.82

BD, Bipolar Disorder; MDD, Major Depressive Disorder.