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Table 1 Description of the total sample of HUNT1 participants between 30 and 60 years who had valid responses on ADI-4 (Anxiety and Depression Index

From: Midlife mental distress and risk for dementia up to 27 years later: the Nord-Trøndelag Health Study (HUNT) in linkage with a dementia registry in Norway

  ADI-4 < 88th ADI-4 ≥ 88th p-value
N = 28,049 N = 2,853
Mean (SE)/proportion (95% CI) Mean (SE)/proportion (95% CI)
Age (years) 43.7 44.6 <0.001
(0.05) (0.17)
Gender (% female) 48.9% 58.9% <0.001
(48.3-49.5) (57.2-60.8)
Marital status (% married) 83.9% 76.6% <0.001
(83.5–84.4) (75.0–78.1)
Diastolic blood pressurea 84.0 84.8 <0.001
(0.06) (0.21)
Systolic blood pressurea 131.9 131.3 0.097
(0.11) (0.35)
CVD indicators (% >1)b 8.4% 15.0% <0.001
(8.1–8.8) (13.7–16.3)
Alcohol consumption (% 1–4 times last 14 days)a 44.6% 36.1% <0.001
(44.1–45.2) (34.3–37.8)
Daily smoking (%)a 34.4% 44.5% <0.001
(33.9–35.0) (42.6–46.3)
Exercise (% never)a 9.3% 17.4% <0.001
(9.0–9.7) (16.0–18.8)
Higher education, (% 4-years at university-level)a 6.2% 4.4% <0.001
(5.9–6.5) (3.6–5.2)
  1. aMissing values imputed using multiple imputations procedure.
  2. bBased on affirmative on one or more of the following: “use of anti-hypertensive medication”, “diabetes”, “heart attack”, “angina pectoris”, “stroke”.
  3. Bold indicates statistically significant associations (p < 0.05).
  4. SE: Standard error.