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Table 2 Association between birth weight (ounces) and SBP (mmHg)

From: Birth weight influences differently on systolic and diastolic blood pressure in children and adolescents aged 8–15

Outcome

Model 1, β(95% CI), p

Model 2, β(95% CI), p

Model 3, β(95% CI), p

SBP

-0.01 (-0.02, 0.00) 0.0828

-0.01 (-0.02, -0.00) 0.0190

-0.02 (-0.04, -0.01) 0.0013

quartiles of birthweight

 Lowest quartile

Reference

Reference

Reference

  Q2

-0.22 (-0.80, 0.36) 0.4543

-0.48 (-1.39, 0.43) 0.2992

-0.48 (-1.39, 0.43) 0.2992

  Q3

-0.10 (-0.73, 0.53) 0.7618

-0.08 (-0.67, 0.52) 0.8023

-0.64 (-1.57, 0.28) 0.1706

 Q4

-0.40 (-1.01, 0.20) 0.1915

-0.52 (-1.10, 0.05) 0.0749

-1.58 (-2.47, -0.69) 0.0005

p for trend

0.313

0.115

 < 0.001

Stratified by race

 Mexican American

-0.01 (-0.03, 0.01) 0.5126

-0.01 (-0.03, 0.01) 0.2176

-0.03 (-0.06, 0.00) 0.0591

 Other Race/ethnicity

0.00 (-0.02, 0.02) 0.8436

-0.00 (-0.02, 0.02) 0.8918

-0.03 (-0.06, 0.00) 0.0563

 Non-Hispanic White

-0.01 (-0.03, 0.01) 0.3019

-0.02 (-0.04, -0.00) 0.0433

-0.03 (-0.06, -0.00) 0.0446

 Non-Hispanic Black

-0.00 (-0.02, 0.02) 0.6653

-0.01 (-0.03, 0.01) 0.2486

-0.03 (-0.06, 0.00) 0.0605

Stratified by age

 Age < 13

-0.01 (-0.02, -0.00) 0.0424

-0.01 (-0.02, 0.00) 0.0505

-0.03 (-0.08, 0.02) 0.1954

 Age >  = 13

-0.01 (-0.02, 0.01) 0.3770

-0.01 (-0.03, 0.01) 0.2467

-0.03 (-0.04, -0.01) 0.0027

Stratified by gender

 male

-0.00 (-0.02, 0.01) 0.5182

-0.00 (-0.02, 0.01) 0.6287

-0.03 (-0.05, -0.01) 0.0027

 female

-0.02 (-0.04, -0.01) 0.0015

-0.02 (-0.03, -0.01) 0.0034

-0.02 (-0.06, 0.02) 0.1519

  1. Model 1: No adjustment for variables;
  2. Model 2: Gender, age, and race/ethnicity were adjusted;
  3. Model 3: All underlying covariates including sex, age, race/ethnicity, ratio of family income to poverty, height, weight, BMI, waist circumference, TG, TC, LDL, FBG, UA, Cr, BUN, glycohemoglobin and mothers' age when born were adjusted