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Sodium Intake and Blood Pressure Among US Children and Adolescents
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10 2012
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Source: Pediatrics. 130(4):611-619
[PDF-527.15 KB]
Details:
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Alternative Title:Pediatrics
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Personal Author:
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Description:OBJECTIVE:
To assess the association between usual dietary sodium intake and blood pressure among US children and adolescents, overall and by weight status.
METHODS:
Children and adolescents aged 8 to 18 years (n = 6235) who participated in NHANES 2003–2008 comprised the sample. Subjects’ usual sodium intake was estimated by using multiple 24-hour dietary recalls. Linear or logistic regression was used to examine association between sodium intake and blood pressure or risk for pre-high blood pressure and high blood pressure (pre-HBP/HPB).
RESULTS:
Study subjects consumed an average of 3387 mg/day of sodium, and 37% were overweight/obese. Each 1000 mg per day sodium intake was associated with an increased SD score of 0.097 (95% confidence interval [CI] 0.006–0.188, ~1.0 mm Hg) in systolic blood pressure (SBP) among all subjects and 0.141 (95% CI: −0.010 to 0.298, ~1.5 mm Hg) increase among overweight/obese subjects. Mean adjusted SBP increased progressively with sodium intake quartile, from 106.2 mm Hg (95% CI: 105.1–107.3) to 108.8 mm Hg (95% CI: 107.5–110.1) overall (P = .010) and from 109.0 mm Hg (95% CI: 107.2–110.8) to 112.8 mm Hg (95% CI: 110.7–114.9; P = .037) among those overweight/obese. Adjusted odds ratios comparing risk for pre-HBP/HPB among subjects in the highest versus lowest sodium intake quartile were 2.0 (95% CI: 0.95–4.1, P = .062) overall and 3.5 (95% CI: 1.3–9.2, P = .013) among those overweight/obese. Sodium intake and weight status appeared to have synergistic effects on risk for pre-HBP/HPB (relative excess risk for interaction = 0.29 (95% CI: 0.01–0.90, P < .05).
CONCLUSIONS:
Sodium intake is positively associated with SBP and risk for pre-HBP/HPB among US children and adolescents, and this association may be stronger among those who are overweight/obese.
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Source:
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Pubmed ID:22987869
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Pubmed Central ID:PMC9011362
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Document Type:
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Funding:
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Volume:130
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Issue:4
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