Birth Weight and Long-Term Overweight Risk: Systematic Review and a Meta-Analysis Including 643,902 Persons from 66 Studies and 26 Countries Globally
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{"title"=>"Birth Weight and Long-Term Overweight Risk: Systematic Review and a Meta-Analysis Including 643,902 Persons from 66 Studies and 26 Countries Globally", "type"=>"journal", "authors"=>[{"first_name"=>"Karen", "last_name"=>"Schellong", "scopus_author_id"=>"12785270700"}, {"first_name"=>"Sandra", "last_name"=>"Schulz", "scopus_author_id"=>"55360318600"}, {"first_name"=>"Thomas", "last_name"=>"Harder", "scopus_author_id"=>"7102369519"}, {"first_name"=>"Andreas", "last_name"=>"Plagemann", "scopus_author_id"=>"7004502165"}], "year"=>2012, "source"=>"PLoS ONE", "identifiers"=>{"scopus"=>"2-s2.0-84867644472", "sgr"=>"84867644472", "issn"=>"19326203", "doi"=>"10.1371/journal.pone.0047776", "pmid"=>"23082214", "isbn"=>"http://dx.doi.org/10.1371/journal.pone.0047776", "pui"=>"365880197"}, "id"=>"4625149e-052c-369d-bb91-12c99dd8ac60", "abstract"=>"BACKGROUND: Overweight is among the major challenging health risk factors. It has been claimed that birth weight, being a critical indicator of prenatal developmental conditions, is related to long-term overweight risk. In order to check this important assumption of developmental and preventive medicine, we performed a systematic review and comprehensive meta-analysis.\\n\\nMETHODS AND FINDINGS: Relevant studies published up to January 2011 that investigated the relation between birth weight and later risk of overweight were identified through literature searches using MEDLINE and EMBASE. For meta-analysis, 66 studies from 26 countries and five continents were identified to be eligible, including 643,902 persons aged 1 to 75 years. We constructed random-effects and fixed-effects models, performed subgroup-analyses, influence-analyses, assessed heterogeneity and publication bias, performed meta-regression analysis as well as analysis of confounder adjusted data. Meta-regression revealed a linear positive relationship between birth weight and later overweight risk (p<0.001). Low birth weight (<2,500 g) was found to be followed by a decreased risk of overweight (odds ratio (OR) =0.67; 95% confidence interval (CI) 0.59-0.76). High birth weight (>4,000 g) was associated with increased risk of overweight (OR=1.66; 95% CI 1.55-1.77). Results did not change significantly by using normal birth weight (2,500-4,000 g) as reference category (OR=0.73, 95% CI 0.63-0.84, and OR=1.60, 95% CI 1.45-1.77, respectively). Subgroup- and influence-analyses revealed no indication for bias/confounding. Adjusted estimates indicate a doubling of long-term overweight risk in high as compared to normal birth weight subjects (OR=1.96, 95% CI 1.43-2.67).\\n\\nCONCLUSIONS: Findings demonstrate that low birth weight is followed by a decreased long-term risk of overweight, while high birth weight predisposes for later overweight. Preventing in-utero overnutrition, e.g., by avoiding maternal overnutrition, overweight and/or diabetes during pregnancy, might therefore be a promising strategy of genuine overweight prevention, globally.", "link"=>"http://www.mendeley.com/research/birth-weight-longterm-overweight-risk-systematic-review-metaanalysis-including-643902-persons-66-stu", "reader_count"=>147, "reader_count_by_academic_status"=>{"Unspecified"=>3, "Professor > Associate Professor"=>2, "Student > Doctoral Student"=>11, "Researcher"=>19, "Student > Ph. D. Student"=>36, "Student > Postgraduate"=>10, "Student > Master"=>38, "Other"=>7, "Student > Bachelor"=>10, "Lecturer"=>5, "Lecturer > Senior Lecturer"=>1, "Professor"=>4}, "reader_count_by_user_role"=>{"Unspecified"=>3, "Professor > Associate Professor"=>2, "Student > Doctoral Student"=>11, "Researcher"=>19, "Student > Ph. D. Student"=>36, "Student > Postgraduate"=>10, "Student > Master"=>38, "Other"=>7, "Student > Bachelor"=>10, "Lecturer"=>5, "Lecturer > Senior Lecturer"=>1, "Professor"=>4}, "reader_count_by_subject_area"=>{"Unspecified"=>8, "Agricultural and Biological Sciences"=>19, "Business, Management and Accounting"=>1, "Decision Sciences"=>1, "Economics, Econometrics and Finance"=>1, "Engineering"=>1, "Environmental Science"=>2, "Nursing and Health Professions"=>9, "Biochemistry, Genetics and Molecular Biology"=>5, "Mathematics"=>1, "Medicine and Dentistry"=>77, "Neuroscience"=>2, "Sports and Recreations"=>4, "Psychology"=>5, "Social Sciences"=>10}, "reader_count_by_subdiscipline"=>{"Medicine and Dentistry"=>{"Medicine and Dentistry"=>77}, "Social Sciences"=>{"Social Sciences"=>10}, "Decision Sciences"=>{"Decision Sciences"=>1}, "Sports and Recreations"=>{"Sports and Recreations"=>4}, "Psychology"=>{"Psychology"=>5}, "Mathematics"=>{"Mathematics"=>1}, "Unspecified"=>{"Unspecified"=>8}, "Environmental Science"=>{"Environmental Science"=>2}, "Engineering"=>{"Engineering"=>1}, "Neuroscience"=>{"Neuroscience"=>2}, "Economics, Econometrics and Finance"=>{"Economics, Econometrics and Finance"=>1}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>19}, "Business, Management and Accounting"=>{"Business, Management and Accounting"=>1}, "Nursing and Health Professions"=>{"Nursing and Health Professions"=>9}, "Biochemistry, Genetics and Molecular Biology"=>{"Biochemistry, Genetics and Molecular Biology"=>5}}, "reader_count_by_country"=>{"Greece"=>1, "United States"=>2, "Japan"=>1, "United Kingdom"=>5, "Peru"=>1, "Germany"=>1, "Ethiopia"=>1, "India"=>1}, "group_count"=>9}

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Figshare

  • {"files"=>["https://ndownloader.figshare.com/files/556981"], "description"=>"<p>ORs for overweight in subjects with birth weights >4,000 g as compared with subjects with birth weights ≤4,000 g. Studies are ordered alphabetically by first author. The point estimate <i>(center of each black square)</i> and the statistical size <i>(proportional area of square)</i> are represented. Horizontal lines indicate 95% confidence intervals. The pooled odds ratio <i>(diamond)</i> was calculated by means of a random effects model. OR, odds ratio; CI, confidence interval.</p>", "links"=>[], "tags"=>["public health and epidemiology", "obstetrics", "pediatrics and child health", "women's health"], "article_id"=>227475, "categories"=>["Biotechnology", "Cell Biology", "Mathematics", "Medicine"], "users"=>["Karen Schellong", "Sandra Schulz", "Thomas Harder", "Andreas Plagemann"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0047776.g003", "stats"=>{"downloads"=>0, "page_views"=>0, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_High_birth_weight_gt_4_000_g_and_subsequent_risk_of_overweight_/227475", "title"=>"High birth weight (>4,000 g) and subsequent risk of overweight.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2012-10-17 02:04:35"}
  • {"files"=>["https://ndownloader.figshare.com/files/556816"], "description"=>"<p>Course of systematic literature review on birth weight and risk of overweight later in life, 1966–January 2011.</p>", "links"=>[], "tags"=>["diagram"], "article_id"=>227316, "categories"=>["Biotechnology", "Cell Biology", "Mathematics", "Medicine"], "users"=>["Karen Schellong", "Sandra Schulz", "Thomas Harder", "Andreas Plagemann"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0047776.g001", "stats"=>{"downloads"=>1, "page_views"=>11, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Flow_diagram_of_selection_process_/227316", "title"=>"Flow diagram of selection process.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2012-10-17 02:01:56"}
  • {"files"=>["https://ndownloader.figshare.com/files/296581", "https://ndownloader.figshare.com/files/296694", "https://ndownloader.figshare.com/files/296832", "https://ndownloader.figshare.com/files/297011", "https://ndownloader.figshare.com/files/297078"], "description"=>"<div><h3>Background</h3><p>Overweight is among the major challenging health risk factors. It has been claimed that birth weight, being a critical indicator of prenatal developmental conditions, is related to long-term overweight risk. In order to check this important assumption of developmental and preventive medicine, we performed a systematic review and comprehensive meta-analysis.</p> <h3>Methods and Findings</h3><p>Relevant studies published up to January 2011 that investigated the relation between birth weight and later risk of overweight were identified through literature searches using MEDLINE and EMBASE. For meta-analysis, 66 studies from 26 countries and five continents were identified to be eligible, including 643,902 persons aged 1 to 75 years. We constructed random-effects and fixed-effects models, performed subgroup-analyses, influence-analyses, assessed heterogeneity and publication bias, performed meta-regression analysis as well as analysis of confounder adjusted data. Meta-regression revealed a linear positive relationship between birth weight and later overweight risk (<em>p</em><0.001). Low birth weight (<2,500 g) was found to be followed by a decreased risk of overweight (odds ratio (OR) = 0.67; 95% confidence interval (CI) 0.59–0.76). High birth weight (>4,000 g) was associated with increased risk of overweight (OR = 1.66; 95% CI 1.55–1.77). Results did not change significantly by using normal birth weight (2,500–4,000 g) as reference category (OR = 0.73, 95% CI 0.63–0.84, and OR = 1.60, 95% CI 1.45–1.77, respectively). Subgroup- and influence-analyses revealed no indication for bias/confounding. Adjusted estimates indicate a doubling of long-term overweight risk in high as compared to normal birth weight subjects (OR = 1.96, 95% CI 1.43–2.67).</p> <h3>Conclusions</h3><p>Findings demonstrate that low birth weight is followed by a decreased long-term risk of overweight, while high birth weight predisposes for later overweight. Preventing <em>in-utero</em> overnutrition, <em>e.g.</em>, by avoiding maternal overnutrition, overweight and/or diabetes during pregnancy, might therefore be a promising strategy of genuine overweight prevention, globally.</p> </div>", "links"=>[], "tags"=>["overweight", "systematic", "meta-analysis", "persons", "66", "studies", "26", "countries", "globally"], "article_id"=>118443, "categories"=>["Biotechnology", "Cell Biology", "Mathematics", "Medicine"], "users"=>["Karen Schellong", "Sandra Schulz", "Thomas Harder", "Andreas Plagemann"], "doi"=>["https://dx.doi.org/10.1371/journal.pone.0047776.s001", "https://dx.doi.org/10.1371/journal.pone.0047776.s002", "https://dx.doi.org/10.1371/journal.pone.0047776.s003", "https://dx.doi.org/10.1371/journal.pone.0047776.s004", "https://dx.doi.org/10.1371/journal.pone.0047776.s005"], "stats"=>{"downloads"=>12, "page_views"=>5, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/Birth_Weight_and_Long_Term_Overweight_Risk_Systematic_Review_and_a_Meta_Analysis_Including_643_902_Persons_from_66_Studies_and_26_Countries_Globally/118443", "title"=>"Birth Weight and Long-Term Overweight Risk: Systematic Review and a Meta-Analysis Including 643,902 Persons from 66 Studies and 26 Countries Globally", "pos_in_sequence"=>0, "defined_type"=>4, "published_date"=>"2012-10-17 02:20:43"}
  • {"files"=>["https://ndownloader.figshare.com/files/557148"], "description"=>"<p>Continuous relation between birth weight and later risk of overweight, calculated by fractional polynomial regression. Studies are represented by black dots. Grey shading indicates the 95% confidence interval around the fitted line. The model was estimated from a robust regression model based on second-order fractional polynomial (−1, −0.5) functions weighted by/variance.</p>", "links"=>[], "tags"=>["public health and epidemiology", "obstetrics", "pediatrics and child health", "women's health"], "article_id"=>227640, "categories"=>["Biotechnology", "Cell Biology", "Mathematics", "Medicine"], "users"=>["Karen Schellong", "Sandra Schulz", "Thomas Harder", "Andreas Plagemann"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0047776.g004", "stats"=>{"downloads"=>0, "page_views"=>0, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Relationship_between_birth_weight_and_risk_of_overweight_/227640", "title"=>"Relationship between birth weight and risk of overweight.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2012-10-17 02:07:20"}
  • {"files"=>["https://ndownloader.figshare.com/files/557199"], "description"=>"<p>Abbreviation: BMI, body mass index; CI, confidence interval</p>*<p>random-effects model</p>", "links"=>[], "tags"=>["confounder"], "article_id"=>227699, "categories"=>["Biotechnology", "Cell Biology", "Mathematics", "Medicine"], "users"=>["Karen Schellong", "Sandra Schulz", "Thomas Harder", "Andreas Plagemann"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0047776.t001", "stats"=>{"downloads"=>0, "page_views"=>1, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Birth_weight_and_later_risk_of_overweight_sensitivity_and_confounder_analyses_/227699", "title"=>"Birth weight and later risk of overweight: sensitivity and confounder analyses<sup>*</sup>.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2012-10-17 02:08:19"}
  • {"files"=>["https://ndownloader.figshare.com/files/556894"], "description"=>"<p>ORs for overweight in subjects with birth weights <2,500 g as compared with subjects with birth weights ≥2,500 g. Studies are ordered alphabetically by first author. The point estimate <i>(center of each black square)</i> and the statistical size <i>(proportional area of square)</i> are represented. Horizontal lines indicate 95% confidence intervals. The pooled odds ratio <i>(diamond)</i> was calculated by means of a random effects model. OR, odds ratio; CI, confidence interval.</p>", "links"=>[], "tags"=>["public health and epidemiology", "obstetrics", "pediatrics and child health", "women's health"], "article_id"=>227391, "categories"=>["Biotechnology", "Cell Biology", "Mathematics", "Medicine"], "users"=>["Karen Schellong", "Sandra Schulz", "Thomas Harder", "Andreas Plagemann"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0047776.g002", "stats"=>{"downloads"=>1, "page_views"=>7, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Low_birth_weight_lt_2_500_g_and_subsequent_risk_of_overweight_/227391", "title"=>"Low birth weight (<2,500 g) and subsequent risk of overweight.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2012-10-17 02:03:11"}

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Relative Metric

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