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Table 3 Hazard ratios and 95% CI for dementia incidence according to the STAD cut-off points

From: Development and validation of new screening tool for predicting dementia risk in community-dwelling older Japanese adults

  Crude model Adjusted model
HR 95% CI HR 95% CI
STAD total score
 ≤ 4 points Reference   Reference  
 ≥ 5 points 4.98 2.61–9.48 2.67 1.40–5.08
Potential confounding factors
 Age (years)    1.10 1.05–1.16
 Sex (female)    1.72 0.87–3.42
 Education (years)    1.07 0.95–1.20
 Hypertension (yes)    0.61 0.34–1.10
 Heart disease (yes)    1.69 0.88–3.26
 Diabetes mellitus (yes)    0.89 0.35–2.29
 Hyperlipidemia (yes)    0.82 0.44–1.51
 Drinking habit (yes)    1.27 0.69–2.33
 Smoking habit (yes)    1.24 0.42–3.70
 Slow gait speed (yes)    1.01 0.45–2.26
 Living alone (yes)    1.14 0.46–2.83
 Physical inactivity (yes)    0.96 0.51–1.82
 MMSE (score)    0.83 0.74–0.94
  1. The model was adjusted for all potential confounding factors assessed in the present study
  2. STAD simplified telephone assessment for dementia risk, HR hazard ratio, CI confidence interval, MMSE mini-mental state examination