Skip to main content

Table 2 The prevalence (%) of subjects with a score of ≥3 in each KSQ question by headache diagnoses (unadjusted univariate analyses)

From: Associations between sleep disturbance and primary headaches: the third Nord-Trøndelag Health Study

KSQ items No headache (n = 76) Definite TTH (n = 135) Definite Migraine (n = 51) Other headachesa (n = 34)
Snoring (%) 22.4 24.4 23.5 38.3
Apnea (%) 3.9 3.7 3.9 3.7
Snoring and/or apneab (%) 26.3 28.7 27.4 42
Difficulty initiating sleep (%) 5.2 20.7** 21.6** 16.5*
Difficulty maintaining sleep (%) 27.3 47.4** 31.4 38.4
Wake up too early (%) 13.0 11.8 11.8 12.8
Insomniac (%) 45.5 79.9** 64.8 67.7*
Sleepy at daytime (%) 11.7 21.5 35.3** 21.9
Very sleepy when waking up (%) 5.2 14.1* 31.3*** 5.8
Daytime sleepinessd (%) 16.9 35.6** 66.6*** 27.7
Troublesome sweating at night (%) 1.3 5.2 5.9 5.8*
Morning headache (%) 1.3 5.1 11.8* 5.8
Restless legs (%) 9.1 17.1 19.6 15.1
After dinner nap (%) 49.4 31.9* 29.4* 38.2
  1. Compared with headache-free * P < 0.05, ** P < 0.01 *** P < 0.001
  2. aProbable tension-type headache (TTH) (n = 8), probable migraine (n = 5), medication overuse headache (MOH) (n = 5), hangover-headache (n = 6), headache attributed to systemic viral infection (n = 4), rhinosinusitis (n = 2), cerviogenic headache (n = 1), caffeine-withdrawal headache (n = 1), persistent idiopathic facial pain (n = 1), and primary exertional headache (n = 1)
  3. bSnoring and/or apnea
  4. cDifficulty initiating sleep and/or maintaining sleep and/or waking up too early
  5. dSleepy at daytime and/or very sleepy when waking up