Table 4

Areas of substantial improvement in the intervention group compared to baseline measures (where a concomitant improvement was not observed in the control group).

Area

Description

Percentage Improvement over baseline measure


Fatigue

Item of original Columbia Scale

26.9%

Concentration

Item of original Columbia Scale

36.8%

Daytime Alertness

Item of original Columbia Scale

28.1%

Feelings of Weakness

Item of original Columbia Scale

26.7%

Light-headedness

Item of original Columbia Scale

33.7%

Sleepiness

Item of original Columbia Scale

31.0%

Work Performance

Additional item (derived from WHO-HPQ)

19.4%

Alertness & oncentration

Additional item

22.9%

Vitality

Combined measure from SF-36

28.4%

Mental Health

Combined measure from SF-36

13.9%


Mills et al. Journal of Circadian Rhythms 2007 5:2   doi:10.1186/1740-3391-5-2

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