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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 intensitya          -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                
  1. aDuring the last 24 hours
  2. * <0.05 ** <0.01