Factor structure and measurement invariance of the 8-item CES-D: a national longitudinal sample of Chinese adolescents

Table 2 The estimated model parameters of one-factor model with correlated residual and two-factor model without correlated residual

Item number	Item content	1-factor with correlated residual	2-factor without correlated residual
Item number	Item content	DS	NS	DHF
6	I am in a low spirit	0.75	0.76	-0.02
7	I find it difficult to do anything	0.63	0.65	-0.04
11	I cannot sleep well	0.53	0.53	0.01
12	I feel happy	0.28	-0.01	0.88
14	I feel lonely	0.78	0.76	0.04
16	I have a happy life	0.32	0.09	0.70
18	I feel sad	0.79	0.79	0.00
20	I feel that I cannot continue with my life	0.70	0.67	0.07
Variance^a		39.30%	52.66%

^aThe content in the last row demonstrated explained percentage of the factor(s) in each model to the total variance
DS Depressive Symptoms, NS Negative Symptoms, DHF Diminished Happiness Feeling

ISSN: 1471-244X