Utility of salivary cortisol profile as a predictive biomarker in nurses’ turnover risk: a preliminary study

Table 2 Summary and Pearson correlations of key variables (n = 40)

	Mean (SD)	Range	1	2	3	4	5	6	7	8	9	10
1 Reluctance to stay (T1)	4.8 (2.0)	0-10		0.663	0.565	0.673	0.565	0.420	0.360	0.256	0.463	− 0.375
2 Chronic fatigue (T1)	52.8 (16.4)	0-100	< 0.001		0.796	0.801	0.709	0.483	0.525	0.228	0.439	− 0.250
3 Chronic fatigue (T0)	49.5 (18.2)	0-100	< 0.001	< 0.001		0.711	0.725	0.498	0.585	0.294	0.415	− 0.056
4 BOS-EE (T1)	3.4 (0.9)	1-5	< 0.001	< 0.001	< 0.001		0.846	0.597	0.639	0.145	0.335	− 0.341
5 BOS-EE (T0)	3.4 (0.9)	1-5	< 0.001	< 0.001	< 0.001	< 0.001		0.640	0.756	0.319	0.445	− 0.120
6 BOS-DP (T1)	1.9 (0.7)	1-5	0.007	0.002	0.001	< 0.001	< 0.001		0.819	0.263	0.222	− 0.160
7 BOS-DP (T0)	1.9 (0.7)	1-5	0.022	0.001	< 0.001	< 0.001	< 0.001	< 0.001		0.291	0.246	− 0.177
8 BOS-PA (T1)	3.7 (0.6)	1-5	0.111	0.157	0.065	0.373	0.045	0.100	0.069		0.775	0.295
9 BOS-PA (T0)	3.7 (0.6)	1-5	0.003	0.005	0.008	0.035	0.004	0.168	0.125	< 0.001		0.019
10 Cortisol profile, nM	6.6 (4.3)^a	1-40	0.017	0.120	0.732	0.031	0.460	0.323	0.276	0.065	0.905

Correlation coefficients appear on the top triangle, and P values of correlation coefficients appear on the bottom triangle
Abbreviation: T0 at the enrollment of the study, T1 after three months, BOS burnout, EE emotional exhaustion, DP depersonalization, PA decline in personal accomplishment, SD standard deviations
^a Cortisol profile (nM) values represent those without log transformation

ISSN: 1880-6805