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Table 3 Association between birth weight(ounces) and DBP (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

DBP

0.02 (0.00, 0.03) 0.0316

0.02 (0.00, 0.03) 0.0126

-0.01 (-0.03, 0.02) 0.5668

quartiles of birthweight

 Lowest quartile

Reference

Reference

Reference

  Q2

0.30 (-0.68, 1.28) 0.5512

0.38 (-0.56, 1.32) 0.4265

0.16 (-1.21, 1.52) 0.8214

  Q3

0.42 (-0.58, 1.42) 0.4098

0.50 (-0.46, 1.46) 0.3071

-0.27 (-1.66, 1.12) 0.7049

  Q4

1.30 (0.34, 2.26) 0.0078

1.45 (0.52, 2.38) 0.0022

-0.01 (-1.35, 1.33) 0.9884

p for trend

0.008

0.002

0.851

Stratified by race

 Mexican American

0.01 (-0.02, 0.04) 0.4077

0.01 (-0.02, 0.04) 0.3730

-0.01 (-0.05, 0.03) 0.7140

 Other Race/ethnicity

0.01 (-0.03, 0.04) 0.7122

0.01 (-0.02, 0.04) 0.3905

-0.01 (-0.05, 0.03) 0.6697

 Non-Hispanic White

0.02 (-0.01, 0.05) 0.2214

0.02 (-0.01, 0.05) 0.2025

-0.01 (-0.05, 0.04) 0.7183

 Non-Hispanic Black

0.03 (-0.00, 0.06) 0.0969

0.03 (-0.00, 0.06) 0.0566

0.02 (-0.02, 0.07) 0.3411

Stratified by age

 AGE group =  < 13

0.01 (-0.01, 0.03) 0.4244

0.02 (0.00, 0.04) 0.0278

0.01 (-0.04, 0.06) 0.7507

 AGE group =  >  = 13

0.01 (-0.00, 0.03) 0.0530

0.01 (-0.01, 0.04) 0.2306

-0.00 (-0.03, 0.02) 0.8407

Stratified by gender

 male

0.02 (-0.00, 0.04) 0.0874

0.02 (-0.00, 0.04) 0.0515

-0.00 (-0.03, 0.03) 0.8908

 female

0.02 (0.01, 0.04) 0.0051

0.02 (-0.00, 0.04) 0.1179

0.00 (-0.03, 0.03) 0.8449

  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