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Table 3 Factors that influence the misclassification of hypertension by SBPM. Gold standard: ABPM (130/80 mmHg). SBPM test 1 on 3rd day: (135.5/83 mmHg)

From: Validity of self blood pressure measurement in the control of the hypertensive patient: factors involved

  SMBP SBP SMBP DBP
OR (95%CI) Adjusted ORa OR (95%CI) Adjusted ORa
Male 2.1 (0.99–4.5) 2.5 (1.1–5.5)* 2.3 (1.0–5.5) 2.4 (1.0–5.9)*
Age > 67.5 years 1.5 (1.0–2.2)* 1.5 (1.0–2.3)* 1.2 (0.8–1.9) 1.2 (0.8–1.9)
TSI < 3 2.9 (0.8–10.0) 3.6 (1.0–12.5)* 1.4 (0.5–3.9) 1.2 (0.4–3.4)
Diabetes 1.3 (0.6–2.8) 2.1 (1–4.5) 1.1 (0.9–2.1) 1.1 (0.9–2.3)
IRC 6.4 (2–21.2)* 5 (1.9–20)* 2.3 (0.9–8.3) 1.9 (0.9–8.3)
Dyslipidaemia 1.1 (0.9–1.8) 1.1 (0.9–1.9) 1.1 (0.9–2) 1.1 (0.9–2)
Fibrillation 1.3 (0.9–7.1) 1.1 (0.9–5.5) 1.3 (0.9–11.2) 1.8 (0.9–15.6)
  1. HT High blood pressure, SBPM Self-monitoring of blood pressure, ABPM Ambulatory monitoring of blood pressure, SBP Systolic blood pressure, DBP Diastolic blood pressure, OR Odds ratio, TSI < 4 unemployed, retired, income less than € 18,000, 95% CI 95% confidence interval, CKD Chronic kidney disease * p < 0.05. ** p < 0.01.aAdjusted for sex by logistic regression using the ENTER method
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