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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