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Table 4 Stepwise multivariate linear regression analysis of continuous BMI and ARVSBP among sample subgroups

From: Impact of body mass index on long-term blood pressure variability: a cross-sectional study in a cohort of Chinese adults

population

model

B(CI)

Beta

SE

R(R2)

P

Excluding person with hypertension

Model a

0.028 (0.005–0.052)

0.016

0.012

0.232 (0.054)

0.019

Excluding person with treatment for BP

Model b

0.081 (0.06–0.10)

0.044

0.011

0.261 (0.068)

< 0.0001

Excluding the BP in 2014

Model c

0.080 (0.059–0.10)

0.038

0.011

0.252 (0.063)

< 0.0001

Excluding person in low-BMI

Model d

0.080 (0.059–0.10)

0.041

0.011

0.284 (0.080)

< 0.0001

  1. Models a and b: adjusting for age, gender, smoking, drinking alcohol, salt intake, physical exercise, TC, HR, and DM. DM Diabetes Mellitus, HR Heart rate, TC Total Cholesterol
  2. Models c and d: adjusting for age, gender, smoking, drinking alcohol, salt intake, physical exercise, TC, HR, DM, and taking antihypertensive drugs. DM Diabetes Mellitus, HR Heart rate, TC Total Cholesterol