Table 1

Baseline characteristics:

SK&P

Controls

Age

31.95 (11.85)

31.90 (10.84)

Depression

4.07 (3.078)

3.25 (2.026)

Stress

2.68 (0.93)

2.61 (0.92)

Energy

2.99 (0.91)

2.97 (0.77)

Sleep Hours

7.46 (0.84)

7.68 (0.50)

Min Awake

20.12 (18.79)

17.71 (13.27)

Sleep Quality

64.82 (21.37)

70.28 (17.94)

cig/month

12.47 (41.61)

15.00 (55.46)

snuff/month

1.40 (7,48)

0.13 (0.53)

Alc ml/month

184.915 (173.83)

156.73 (143.47)

Optimism

21.84 (5.72)

24.88 (3.86)

Anxiety

7.58 (3.58)

4.63 (2.59)

The measures were as described in Methods. 'Sleep Hours' refers to number of daily sleep, 'Min Awake' the number of minutes before falling asleep, 'Sleep Quality' refers to perceived quality of sleep, 'cig' are number of cigarettes per month, 'Alc' is alcohol. The numbers in parentheses are standard deviation.

Kjellgren et al. BMC Complementary and Alternative Medicine 2007 7:43   doi:10.1186/1472-6882-7-43