Table 2

Male and female salivary cortisol levels in different age-groups.

Morning cortisol

Evening cortisol

Δ-cortisol

Age-group

n

m

q1–q3

p

n

m

q1–q3

p

n

m

q1–q3

p


Women

30–39

242

12.4

9.0–17.0

ref.

242

1.7

1.0–3.0

ref.

242

5.8

3.7–10.0

ref.

40–49

291

12.4

8.0–19.0

0.892

291

2.2

2.0–3.0

0.834

291

5.7

3.7–9.0

0.768

50–59

146

11.6

8.7–15.2

0.260

146

2.5

2.0–3.0

0.030

146

4.7

3.0–8.0

0.005

60–69

107

12.7

10.0–18

0.732

107

2.7

2.0–4.0

0.004

107

4.7

3.3–7.5

0.015

≥ 70

52

15.1

9.2–19.8

0.029

52

3.6

2.0–6.0

<0.001

52

4.2

2.3–9.0

0.004

<50

533

12.4

9.0–18.0

ref.

533

2.2

1.4–3.0

ref.

533

5.8

3.7–9.5

ref.

≥ 50

305

12.5

9.0–18.0

0.773

305

2.7

2.0–3.0

<0.001

305

4.6

3.0–8.0

<0.001

Men

30–39

254

10.4

7.0–15.0

ref.

254

2.0

1.0–3.0

ref.

254

5.3

3.5–9.0

ref.

40–49

276

10.6

8.0–15.0

0.634

276

2.2

2.0–3.0

0.101

276

4.9

3.0–8.0

0.288

50–59

141

11.8

8.0–18.0

0.030

141

2.4

2.0–3.0

0.007

141

5.0

3.0–8.0

0.460

60–69

106

12.5

8.0–17.3

0.006

106

2.5

2.0–3.0

0.001

106

4.9

3.3–7.6

0.459

≥ 70

56

12.3

9.0–16.8

0.049

56

2.9

2.0–4.0

<0.001

56

4.2

3.0–6.5

0.040

<50

530

10.5

7.0–15.0

ref.

530

2.1

1.0–3.0

ref.

530

5.1

3.3–8.5

ref.

≥ 50

303

12.1

8.0–18.0

0.001

303

2.5

2.0–3.0

<0.001

303

4.8

3.0–7.7

0.305


Δ-cortisol=logarithmic morning salivary cortisol-logarithmic evening salivary cortisol

Differences between age-groups were examined by GLM (general linear model), using group 30–39 and group <50, respectively, as reference. Means and quartiles 1–3 (q1–q3) are geometric (anti-log).

Larsson et al. BMC Endocrine Disorders 2009 9:16   doi:10.1186/1472-6823-9-16

Open Data