BMC Nursing

Table 5 Correlations between included variables among patients with unexplained chest pain (n = 179).

From: Coping strategies, stress, physical activity and sleep in patients with unexplained chest pain

		2.	3.	4.	5.	6.	7.	8.	9.	10.	11.	12.	13.	14.	15.	16.
1.	Single	-0.04	-0.07	-0.04	0.03	-0.05	-0.07	-0.02	-0.04	0.16*	-0.03	-0.02	-0.13	0.11	-0.02	0.19
2.	University education		-0.13	-0.62	0.01	-0.14	0.23**	-0.12	-0.05	0.25**	-0.17*	-0.12	-0.11	-0.00	-0.11	0.11
3.	Working full time/part time			0.00	0.20**	-0.88	-0.03	0.09	0.11	0.08	0.14	0.26**	0.15*	0.13	0.04	0.17*
4.	Sick leave the last year				0.03	0.12	0.09	0.09	0.08	-0.06	0.04	0.06	0.13	0.15*	0.09	-0.01
5.	Immigrant					-0.03	0.16*	0.06	0.11	-0.02	0.16*	0.35**	-0.02	0.24**	0.12	0.21**
6.	Present smoker						-0.31**	-0.16*	0.23**	-0.07	0.20*	0.08	0.16*	0.05	0.12	-0.02
7.	Physical activity							-0.11	-0.06	0.19*	-0.37**	0.04	-0.08	0.03	-0.23**	-0.03
8.	BMI								-0.02	0.02	0.17*	0.02	0.06	0.06	0.18*	0.13
9.	Chest pain intensity^a									-0.05	0.17*	0.07	0.13	0.11	0.02	-0.02
10.	Confrontive coping										-0.12	0.11	-0.8	0.18*	-0.35	0.02
11.	Emotive coping											0.43**	0.36**	0.30**	0.35**	0.30**
12.	Palliative coping												0.14	0.17*	0.16	0.14
13.	Sleep problems													0.26**	0.18*	0.22**
14.	Negative life events														0.15	0.26**
15.	Mental strain at work															0.28**
16.	Stress at home

^aDuring the last 24 hours
* <0.05 ** <0.01

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