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Table 1 Characteristics of participants (n = 38,813) in the HUNT3 study related to headache types

From: The impact of C-reactive protein levels on headache frequency in the HUNT study 2006–2008

  No headache Any headache MA MO Other headaches
Participants, n 24,823 13,990 2139 1654 10,197
Women, n (%) 12,525 (50.5) 9203 (65.8) 1600 (74.8) 1252 (75.7) 6351 (62.2)
Mean age, years (SD) 56.9 (15.7) 49.2 (14.2) 47.0 (12.9) 45.3 (12.6) 50.2 (14.6)
Age ≥ 60 years (%) 11,280 (45.4) 3264 (23.3) 358 (16.7) 219 (13.2) 2687 (26.4)
Employed, n (%) (missing = 17) 14,450 (58.2) 10,087 (72.1) 1570 (73.4) 1301 (78.7) 7216 (70.8)
Current daily smoking, n (%) (missing = 998) 3590 (14.5) 2534 (18.1) 497 (23.2) 277 (16.7) 1760 (17.3)
Mean BMI, kg/m2 (SD) (missing = 120) 27.2 (4.2) 27.2 (4.7) 27.3 (4.8) 27.1 (5.0) 27.2 (4.6)
Total HADS score (missing = 582) 6.7 (5.0) 8.3 (5.9) 9.4 (6.4) 8.2 (5.9) 8.1 (5.8)
Alcohol abstainers during last year, n (%) (missing = 956) 2215 (8.9) 1105 (7.9) 120 (7.3) 182 (8.5) 803 (7.9)
Physical inactivity, n (%) (missing = 615) 1231 (5.0) 574 (4.1) 69 (3.2) 63 (3.8) 442 (4.3)
Self-reported hypertension, n (%) 6503 (26.2) 2462 (17.6) 359 (16.8) 215 (13.0) 1888 (18.5)
Self-reported stroke and/or heart infarction (%) 1771 (7.1) 506 (3.6) 63 (2.9) 33 (2.0) 410 (4.0)
Self-reported diabetes mellitus, n (%) 1326 (5.3) 466 (3.3) 60 (2.8) 34 (2.1) 372 (3.6)
Modified DSM-V insomnia, n (%) 1057 (4.3) 1631 (11.7) 362 (16.9) 235 (14.2) 1034 (10.1)
Mean hs-CRP (95% CI) 2.2 (2.2–2.3) 2.3 (2.2–2.3) 2.4 (2.3–2.5) 2.2 (2.1–2.4) 2.3 (2.2–2.3)
  1. MA Migraine with aura, MO Migraine without aura, HADS Hospital anxiety and depression scale, BMI Body mass index, hs-CRP High sensitivity C-reactive protein, CI Confidence intervals, DSM-V Diagnostic and statistical manual of mental disorders, 5th ed.