Table 1. Descriptive Statistics for the Center for Epidemiologic Studies Depression Scale (CES-D) by Wave.

		Wave 1 (n = 673)			Wave 3 (n = 627)			Wave 5 (n = 605)			Wave 7 (n = 569)
CES-D scale/subscale	All waves:scale range	M	SD	α	M	SD	α	M	SD	α	M	SD	α
Full scale	0–57	11.17	8.17	.85	12.10	8.55	.87	12.59	8.68	.88	11.14	7.89	.87
NA	0–21	3.25	3.49	.66	3.28	3.74	.70	3.29	3.80	.71	2.89	3.45	.72
SC	0–18	3.55	3.14	.56	3.81	3.31	.55	4.44	3.54	.57	4.07	3.27	.57
ID	0–6	1.44	1.40	.70	1.43	1.23	.77	1.65	1.32	.79	1.49	1.27	.78
PA	0–12	2.96	2.71	.79	3.61	2.80	.84	3.23	2.68	.86	2.70	2.52	.85
NA + SC	0–39	6.80	6.10	.85	7.09	6.55	.89	7.74	6.84	.90	6.96	6.24	.89
NA + SC + ID	0–45	8.22	6.94	.86	8.50	7.24	.89	9.36	7.59	.90	8.44	6.97	.89

Note. NA = negative affect; SC = somatic complaints; ID = interpersonal difficulties; PA = positive affect.