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Table 3 Association between visit-to-visit blood pressure variabilitya and childhood HBP

From: School-based surveillance on visit-to-visit blood pressure variability and high blood pressure in children and adolescents

HBP Model 1 Model 2 Model 3
OR (95% Cl) P value OR (95% Cl) P value OR (95% Cl) P value
SBP-SDa 4.40 (4.28–4.51) < 0.0001 4.15 (4.04–4.27) < 0.0001 5.70 (5.54–5.87) < 0.0001
SBP-ARVa 3.31 (3.25–3.38) < 0.0001 3.23 (3.16–3.29) < 0.0001 4.10 (4.01–4.20) < 0.0001
SBP-CVa 1.00 (1.00–1.00) 0.671 1.00 (1.00–1.00) 0.867 1.00 (1.00–1.00) 0.857
DBP-SDa 4.88 (4.71–5.06) < 0.0001 4.95 (4.77–5.13) < 0.0001 4.70 (4.50–4.90) < 0.0001
DBP-ARVa 3.56 (3.47–3.66) < 0.0001 3.64 (3.54–3.74) < 0.0001 3.39 (3.28–3.50) < 0.0001
DBP-CVa 1.00 (1.00–1.00) 0.623 1.00 (1.00–1.00) 0.892 1.00 (1.00–1.00) 0.876
  1. Model 1 was unadjusted. Model 2 was adjusted for age and BMI in 2018, and sex. Model 3 further included SES, region, mean SBP and DBP z-scores during 2012–2017, and BP measurement times, based on model 2
  2. HBP, high blood pressure; DBP, diastolic blood pressure; SBP, systolic blood pressure; SD, standard deviation; ARV, actual real variability; CV, coefficient of variation
  3. aBP variability parameters were calculated based on BP z-scores during 2012–2017