Dietary magnesium, potassium, sodium, and children's lung function

Frank D. Gilliland, Kiros T. Berhane, Yu Fen Li, Deborah H. Kim, Helene G Margolis

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

To investigate the effects of dietary magnesium, potassium, and sodium on children's lung function, the authors examined cross-sectional dietary data and pulmonary function tests from 2,566 children aged 11-19 years who attended schools in 12 southern California communities during 1998-1999. During school visits, each child completed a health update questionnaire, a validated food frequency questionnaire, and spirometric lung function testing. Low magnesium and potassium intakes were associated with lower lung function. Girls with low magnesium intake had lower forced expiratory flow at 75% of the forced vital capacity (FEF75) (-8.3%, 95% confidence interval: -14.8, -1.4) than did girls with higher intake; reductions were larger in girls with asthma (forced expiratory flow between 25% and 75% of the forced vital capacity (FEF25-75) (-16.2%, 95% confidence interval: -22.7, -9.1) and FEF75 (-24.9%, 95% confidence interval: -32.8, -16.1)) than in girls without asthma (FEF25-75 (-2.0%, 95% confidence interval: -7.4, 3.8) and FEF75 (-4.1%, 95% confidence interval: -11.3, 3.7)). Boys with low magnesium intake showed deficits in forced vital capacity (-2.8%, 95% confidence interval: -5.4, -0.2) compared with boys with higher intake. The effects of low magnesium intake did not vary substantially in boys with and without asthma. Among girls, low potassium intake was also associated with deficits in forced expiratory volume in 1 second (-2.7%, 95% confidence interval: -5.2, -0.1) and forced vital capacity (-2.4%, 95% confidence interval: -4.7, -0.1). In summary, low magnesium and potassium intakes were associated with lower lung volumes and flows.

Original languageEnglish (US)
Pages (from-to)125-131
Number of pages7
JournalAmerican Journal of Epidemiology
Volume155
Issue number2
DOIs
StatePublished - Jan 15 2002

Fingerprint

Dietary Potassium
Magnesium
Sodium
Confidence Intervals
Lung
Vital Capacity
Potassium
Asthma
Dietary Sodium
Respiratory Function Tests
Forced Expiratory Volume
Food

Keywords

  • Child
  • Diet
  • Lung
  • Magnesium
  • Potassium
  • Sodium

ASJC Scopus subject areas

  • Epidemiology

Cite this

Dietary magnesium, potassium, sodium, and children's lung function. / Gilliland, Frank D.; Berhane, Kiros T.; Li, Yu Fen; Kim, Deborah H.; Margolis, Helene G.

In: American Journal of Epidemiology, Vol. 155, No. 2, 15.01.2002, p. 125-131.

Research output: Contribution to journalArticle

Gilliland, Frank D. ; Berhane, Kiros T. ; Li, Yu Fen ; Kim, Deborah H. ; Margolis, Helene G. / Dietary magnesium, potassium, sodium, and children's lung function. In: American Journal of Epidemiology. 2002 ; Vol. 155, No. 2. pp. 125-131.
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