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Table 2 Hypertension status and validity of self-reported hypertension according to relevant variables

From: Validation of self reported diagnosis of hypertension in a cohort of university graduates in Spain

  N (%) % Confirmed HT (95% CI)§ P-value* % Confirmed non-HT (95% CI)† P-value*
Total 127 (100) 82.3 (72.8–92.8)   85.4 (72.4–89.1)  
   Men 70 (55.1) 85.4 (72.8–92.8) 0.53 77.3 (56.6–89.9) 0.22
   Women 57 (44.9) 78.6 (60.5–89.8)   92.3 (75.9–97.9)  
Age    0.27   0.73
   ≤ 40 46 (36.2) 69.2 (42.4–87.3)   87.9 (72.7–95.2)  
   41–55 35 (27.6) 79.2 (59.5–90.8)   81.8 (52.3–94.9)  
   >55 46 (36.2) 88.1 (75.0–94.8)   75.0 (30.1–95.4)  
Body mass index (kg/m2)    0.84   0.37
   <25 67 (52.7) 81.3 (64.9–71.1)   88.6 (74.0–95.5)  
   ≥ 25 60 (47.3) 83.0 (70.9–91.1)   76.9 (49.7–91.8)  
Family history of HT    0.01   0.004
   No 78 (61.4%) 72.1 (57.3–83.3)   94.3 (81.4–98.4)  
   Yes 49 (38.6%) 94.4 (81.9–98.5)   61.5 (35.5–82.3)  
Biomedical degree    0.72   0.32
   No 101 (61.4%) 81.0 (69.6–88.8)   81.6 (66.6–90.8)  
   Yes 26 (38.6%) 87.5 (64.0–96.5)   100.0 (72.2–100.0)  
  1. HT: hypertension. CI: confidence interval.
  2. §True positives (according to both methods)/Positives (according to self-reporting)
  3. † True negatives (according to both methods)/Negatives (according to self-reporting)
  4. * Pearson's chi squared