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276
EITAN G. ABRAMOWITZ ET AL.
Morning Effects
Ability to concentrate
. Concentration was higher for the HT group com-
pared to the ZT group,
F
(1, 30) = 5.65,
p
= .024, and was improved mainly
between the first and the second assessment,
F
(1.6, 46.5) = 4.4,
p
= .026.
Concentration ability stayed relatively unchanged in the ZT group while
in the HT group it was improved,
F
(1.6, 46.5) = 9.47,
p
= .001.
Morning sleepiness.
Sleepiness was lower in the HT group com-
pared to the ZT group,
F
(1, 30) = 15.4,
p
< .0005. Morning sleepiness
was lower at posttreatment compared to pretreatment and 1-month
follow-up assessments,
F
(1.4, 43.2) = 15.3;
p
< .0005. The treatment
groups differed significantly in morning sleepiness,
F
(1.4, 43.2) =
25.6,
p
< .0005.While in the ZT group sleepiness did not change
significantly, patients in the HT group reported a significant
improvement, especially between pretreatment and posttreatment
assessments.
Table 2
Posttreatment Clinical Global Impression Scale: Zolpidem Versus Hypnotherapy
Zolpidem
(
n
= 15)(%)
Hypnother.
(
n
= 17) (%)
p
*
Quality of sleep
< 0.001
Excellent or good
26.6
88.2
Fair or poor
73.3
11.7
Change in sleep:
< 0.001
Improvement a lot or somewhat
26.6
76.4
No change
46.6
17.6
Somewhat or a lot of worse
26.6
5.8
Change in amount of sleep:
< 0.001
Increase
66.6
82.3
No change
13.3
17.6
Decrease
20
0
Strength of treatment:
< 0.001
Too strong or strong
13.3
11.7
Just right
13.3
82.3
Weak or too weak
73.3
5.8
Change during posttreatment days:
Much or somewhat better
20
56.4
0.002
No change
33.4
43.6
Worse or much worse
46.6
0
*Cocran-Mantel-Haenszel test.
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