Table 2

Stress and health factors associated to cortisol levels in hair (pg/mg)

Univariate associations

Multivariate associations

n

mean

s.d

r*

p-value

Beta

p-value


Background factors:

Sex

Male

24

17.76

13.32

-

0.726

Female

71

20.53

37.66

-

Age (mean: 22.1 s.d: 4.1)

95

-0.073

0.732

Coloured/permed hair

Yes

40

13.04

16.01

-

No

55

24.78

40.89

-

0.089

Pharmaceuticals

Yes

28

22.85

44.86

-

No

67

18.58

27.19

-

0.570

Stress and Health factors:

Serious life events

Yes

20

32.98

56.90

-

No

75

16.32

22.53

-

0.045

0.212

0.041

Perceived stress (PSS)

95

-0.061

0.025

-0.078

0.448

Perceived Health (VAS)

95

0.038

0.251


* Pearson correlation

† Statistics ANOVA, cortisol levels as dependent variable.

‡ Multivariate regression model: (df = 4) F = 3.43 p = 0.012, cortisol levels as dependent variable, background factors were not included in the regression model.

Karlén et al. BMC Clinical Pathology 2011 11:12   doi:10.1186/1472-6890-11-12

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