. Author manuscript; available in PMC: 2022 Dec 1.

Published in final edited form as: Aging Ment Health. 2020 Dec 7;25(12):2272–2278. doi: 10.1080/13607863.2020.1855626

Table 2.

Cotrrelations of variables in regression analyses.

	1. Age	2. Sex	3. Education	4. PHQ (baseline)	5. PHQ (12-month)	6. Fatigue (6-month)	7. Pain (baseline)	8. Pain (12-month)

1	1	−.160^**	.158^**	−.348^**	−.253^**	−.190^**	−.246^**	−.221^**
2		1	−.087	.068	.072	.074	.110	.097
3			1	−.160^**	−.130	−.074	−.284^**	−.132
4				1	.715^**	.476^**	.448^**	.401^**
5					1	.513^**	.340^**	.437^**
6						1	.282^**	.412^**
7							1	.676^**
8								1

Note:

^**

p<.001

sex (1=male, 2=female); education (1=Less than high school graduate, 2=High school graduate or GED, 3=Some college, 4=College graduate, 5=Any post-graduate work); PHQ=Patient Health Questionnaire 9.