title: The PACE study: past-year prevalence of tension-type headache and its subtypes in Parma's adult general population.
abstract: The mean global prevalence of tension-type headache (TTH) in adult is 42 %. To date, there have been no Italian studies on TTH prevalence in the adult general population. Therefore, we conducted a cross-sectional study, called PACE, aimed at detecting the prevalence of primary headaches in the city of Parma's adult general population. 904 subjects representative of Parma's adult general population were interviewed face to face by a physician of our Headache Centre. Crude past-year prevalence for definite TTH was 19.4 % (95 % CI 16.8-21.9; 18.4 %, 95 % CI 14.6-22.3 in men, and 20.1 %, 95 % CI 16.6-23.6 in women), namely, 9.0 % (95 % CI 7.1-10.8) for infrequent TTH, 9.8 % (95 % CI 7.9-11.8) for frequent TTH, and 0.6 % (95 % CI 0.1-1) for chronic TTH. Crude prevalence for probable TTH was 2.3 % (95 % CI 1.3-3.3; 2 %, 95 % CI 0.6-3.4 in men, and 2.6 %, 95 % CI 1.2-3.9 in women). Our results indicate a TTH prevalence (19.4 %) at the lower limit of data ranges for Western countries, and prevalence rates for infrequent forms (9 %) do not appear different from those of frequent forms (9.8 %).
authors.affiliation: Department of Clinical and Experimental Medicine, Headache Centre, University of Parma, Ospedale Maggiore, via Gramsci 14, 43125, Parma, Italy, tullia.ferrante@live.it.
authors.forename: T
authors.initials: T
authors.lastname: Ferrante
authors.forename: G C
authors.initials: GC
authors.lastname: Manzoni
authors.forename: M
authors.initials: M
authors.lastname: Russo
authors.forename: A
authors.initials: A
authors.lastname: Taga
authors.forename: C
authors.initials: C
authors.lastname: Camarda
authors.forename: L
authors.initials: L
authors.lastname: Veronesi
authors.forename: C
authors.initials: C
authors.lastname: Pasquarella
authors.forename: G
authors.initials: G
authors.lastname: Sansebastiano
authors.forename: P
authors.initials: P
authors.lastname: Torelli
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000369:Aged, 80 and over; D003430:Cross-Sectional Studies; D005260:Female; D006801:Humans; D007407:Interviews as Topic; D007558:Italy / Q000453:epidemiology; D008297:Male; D008875:Middle Aged; D015995:Prevalence; D011795:Surveys and Questionnaires; D018781:Tension-Type Headache / Q000453:epidemiology*; D055815:Young Adult
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