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Table 1 Characteristics of participants (n = 19,574) at baseline in HUNT3 related to categories of high sensitivity C-reactive protein (hs-CRP)

From: High sensitivity C-reactive protein and risk of migraine in a 11-year follow-up with data from the Nord-Trøndelag health surveys 2006–2008 and 2017–2019

 Hs- CRP categories
< 3 mg/L3.0–9.9910–20 mg/L
Participants, n15,8413253480
Women (%)54.862.263.8
Mean age, years (SD)52.8 (13)54.6 (14)53.9 (15)
≥13 years of education (%)38.031.331.1
Current smoking, n (%) (missing = 416)12.518.418.5
Mean BMI, kg/m2 (SD) (missing = 23)26.6 (4.2)29.3 (4.9)29.4 (5.5)
Total HADS score (missing = 184)6.8 (3.8)7.1 (5.4)7.0 (5.2)
Alcohol abstainers during last year (%) (missing = 341)6.37.68.9
Self-reported hypertension, n (%)17.827.229.4
Self-reported stroke (%)1.72.32.3
Self-reported diabetes mellitus, n (%)3.45.56.2
Headache (%)29.331.031.5
  1. HADS ospital Anxiety and Depression Scale, BMI body mass index
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