BMC Endocrine Disorders

Table 3 Comparisons of body composition between quartiles of morning salivary cortisol in men and women.

From: Salivary cortisol differs with age and sex and shows inverse associations with WHR in Swedish women: a cross-sectional study

	WHR				Waist circumference
	n	m	sd	p	n	m	sd	p
Women
Adjusted for age
qrtl 1 morning cortisol	188	0.843	0.069	ref.	188	86.63	13.52	ref.
qrtl 2 morning cortisol	230	0.838	0.076	0.492	230	85.90	13.53	0.585
qrtl 3 morning cortisol	203	0.826	0.071	0.025	203	83.99	13.52	0.055
qrtl 4 morning cortisol	217	0.827	0.074	0.036	217	84.74	13.54	0.163
Test for linearity:
between quartiles				0.013				0.079
continuously				0.006				0.024
Adjusted for model 2^a
qrtl 1 morning cortisol	176	0.842	0.080	ref.	188	86.11	13.82	ref.
qrtl 2 morning cortisol	224	0.836	0.075	0.379	230	85.66	13.53	0.740
qrtl 3 morning cortisol	198	0.826	0.070	0.038	203	84.04	13.55	0.137
qrtl 4 morning cortisol	210	0.827	0.072	0.038	217	84.49	13.60	0.237
Test for linearity:
between quartiles				0.019				0.135
continuously				0.012				0.075
Men
Adjusted for age
qrtl 1 morning cortisol	193	0.945	0.056	ref.	193	94.61	10.03	ref.
qrtl 2 morning cortisol	240	0.939	0.062	0.275	240	93.96	9.99	0.498
qrtl 3 morning cortisol	210	0.945	0.058	0.979	210	94.55	10.00	0.950
qrtl 4 morning cortisol	190	0.945	0.055	0.913	190	94.92	9.99	0.763
Test for linearity:
between quartiles				0.784				0.613
continuously				0.980				0.556

Differences between quartiles (qrtl) of morning cortisol were examined by GLM (general linear model), using quartile 1 as reference.
^aModel 2 = age, leisure time physical activity, smoking, education, alcohol consumption, oral contraceptives, and estrogen replacements.

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ISSN: 1472-6823

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