Skip to main content

Table 2 Age-and sex adjusted 1-year prevalence of different headache types1 in HUNT3 and HUNT4

From: Time trends of major headache diagnoses and predictive factors. Data from three Nord-Trøndelag health surveys

Headache typeHUNT3 (n = 39,697)
%, (95% CI)
HUNT4 (n = 41,460)
%, (95% CI)
P values
Headache sufferer36.2 (35.9 to 36.5)37.3 (37.0 to 37.6)0.002
Migraine12.0 (11.5 to 12.5)11.2 (10.9 to 11.5)< 0.001
Episodic migraine < 15 days/month11.7 (11.4 to 12.0)10.3 (10.0 to 10.6)< 0.001
Chronic migraine (≥15 days/month)0.3 (0.2 to 0.4)0.8 (0.7 to 0.9)0.007
Migraine with aura5.9 (5.7 to 6.2)5.9 (5.7 to 6.2)0.11
Migraine without aura6.0 (5.7 to 6.2)5.3 (5.1 to 5.5)< 0.001
Probable migraine7.4 (7.1 to 7.7)4.8 (4.6 to 5.0)< 0.001
TTH215.9 (15.6 to 16.3)20.7 (20.3 to 21.1)< 0.001
Infrequent episodic TTH < 1 days/month4.5 (4.3 to 4.7)5.5 (5.3 to 5.7)< 0.001
Episodic TTH 1–14 days/month10.8 (10.5 to 11.1)14.1 (13.7 to 14.4)< 0.001
Chronic TTH (> 14 days/month)0.6 (0.5 to 0.7)1.0 (0.9 to 1.1)< 0.001
Medication overuse headache (MOH)11.0 (0.9 to 1.1)0.3 (0.2 to 0.3)< 0.001
Unclassified headaches31.1 (1.0 to 1.2)0.6 (0.5 to 0.7)< 0.001
  1. 1 Mutually exclusive headache diagnoses: The diagnosis of definite migraine excluded the diagnosis of TTH, and TTH excluded probable migraine. The diagnosis of MOH excluded the diagnoses of chronic TTH, chronic migraine and chronic unclassified headache.
  2. 2 TTH tension-type headache
  3. 3 Unclassified headache: Not fulfilling criteria of migraine, probable migraine or THH