Table 4: Group differences and prevalence
of sleep disturbances in students with nightmares at least three times a week
and students reporting no nightmares in the past four weeks.
|
|
Nightmares < 3x/week |
Nightmares ≥
3x/week |
χ² - Test |
Unadj. OR (95% CI) |
|
Frequent difficulties falling asleep (3x/week more
than 30min) |
11.8%
(101/854) |
26.2% (33/126) |
χ²(1) = 19.192, p ≤ .001 |
OR = 2.65 (1.69-4.14) |
|
Frequent
awaking at night |
11.4%
(97/853) |
46.8% (59/126) |
χ²(1) = 103.016, p ≤ .001 |
OR = 6.86 (4.56-10.33) |
|
frequent
fitful sleep |
8.1%
(69/853) |
53.2%
(67/126) |
χ²(1) = 186.556, p ≤ .001 |
OR = 12.90 (8.41-19.79) |
|
Frequent
anxiety concerning going to bed (3x/week or more often) |
0.5%
(4/853) |
11.9%
(15/126) |
χ²(1) = 75.442, p ≤ .001 |
OR = 28.68 (9.35-87.95) |
|
Usually
going to bed after midnight |
25.4%
(217/853) |
25.4%
(32/126) |
χ²(1) = 0.000, p > .05 |
|