Evidence map›Paper›PMID 20439594›Full record

ArticlePediatrics2010

Low 25-hydroxyvitamin D levels in adolescents: race, season, adiposity, physical activity, and fitness.

Yanbin Dong, Norman Pollock, Inger Susanne Stallmann-Jorgensen, Bernard Gutin, Ling Lan, Tai C Chen, Daniel Keeton, Karen Petty, Michael F Holick, Haidong Zhu

Open access · greenAbstract readMulticenter Study
In one paragraph

Article in Pediatrics, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 110 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
110citing papers in PubMed, 2 pooled it
13.5field-weighted citation impact, top 1% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

110 citing papers in PubMed, 2 syntheses or guidelines pooled it, 239 citations in OpenAlex.

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  6. Vitamin DNutrients · 2020
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50 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors at 3 institutions in 1 country.

Yanbin DongMedical College of Georgia, Department of Pediatrics, Georgia Prevention Institute, 1120 15th St, HS-1640, Augusta, GA 30912, USA. ydong@mail.mcg.edu
Norman Pollock
Inger Susanne Stallmann-Jorgensen
Bernard Gutin
Ling Lan
Tai C Chen
Daniel Keeton
Karen Petty
Michael F Holick
Haidong Zhu
Prevention Institute · USBoston University · USAugusta University · US

Funding

LIFESTYLE, ADIPOSITY AND CARDIOVASCULAR HEALTH IN YOUTHSR01HL064157 · NHLBI · MEDICAL COLLEGE OF GEORGIA (MCG) · PI GUTIN, BERNARD · 2000 to 2003
$2.6M
Genetics of Stress Induced Hypertension in Black YouthR01HL077230 · NHLBI · AUGUSTA UNIVERSITY · PI DONG, YANBIN · 2006 to 2009
$1.4M
NHLBI NIH HHS HL077230NHLBI NIH HHS HL64157NHLBI NIH HHS R01 HL064157NHLBI NIH HHS R01 HL077230
6 · The paper itself

Abstract

objectivesThe objectives were to characterize the vitamin D status of black and white adolescents residing in the southeastern United States (latitude: approximately 33 degrees N) and to investigate relationships with adiposity.

methodsPlasma 25-hydroxyvitamin D levels were measured with liquid chromatography-tandem mass spectroscopy for 559 adolescents 14 to 18 years of age (45% black and 49% female). Fat tissues, physical activity, and cardiovascular fitness also were measured.

resultsThe overall prevalences of vitamin D insufficiency (<75 nmol/L) and deficiency (< or = 50 nmol/L) were 56.4% and 28.8%, respectively. Black versus white subjects had significantly lower plasma 25-hydroxyvitamin D levels in every season (winter, 35.9 + or - 2.5 vs 77.4 + or - 2.7 nmol/L; spring, 46.4 + or - 3.5 vs 101.3 + or - 3.5 nmol/L; summer, 50.7 + or - 4.0 vs 104.3 + or - 4.0 nmol/L; autumn, 54.4 + or - 4.0 vs 96.8 + or - 2.7 nmol/L). With adjustment for age, gender, race, season, height, and sexual maturation, there were significant inverse correlations between 25-hydroxyvitamin D levels and all adiposity measurements, including BMI percentile (P = .02), waist circumference (P < .01), total fat mass (P < .01), percentage of body fat (P < .01), visceral adipose tissue (P = .015), and subcutaneous abdominal adipose tissue (P = .039). There were significant positive associations between 25-hydroxyvitamin D levels and vigorous physical activity (P < .01) and cardiovascular fitness (P = .025).

conclusionsLow vitamin D status is prevalent among adolescents living in a year-round sunny climate, particularly among black youths. The relationships between 25-hydroxyvitamin D levels, adiposity, physical activity, and fitness seem to be present in adolescence.

Indexed as

SeasonsAdiposityAdolescentBlack or African AmericanBody Mass IndexChromatography, LiquidCross-Sectional StudiesFemaleHumansMaleMass SpectrometryOxygen ConsumptionPhysical FitnessPrevalenceUnited StatesVitamin D25-hydroxyvitamin DVitamin D

Identifiers

PMID20439594
PMCPMC3935324
OpenAlexW2012319085

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.