Pregnancy Weight Gain and Childhood Body Weight: A Within-Family Comparison
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{"title"=>"Pregnancy Weight Gain and Childhood Body Weight: A Within-Family Comparison", "type"=>"journal", "authors"=>[{"first_name"=>"David S.", "last_name"=>"Ludwig", "scopus_author_id"=>"7102252503"}, {"first_name"=>"Heather L.", "last_name"=>"Rouse", "scopus_author_id"=>"12763443700"}, {"first_name"=>"Janet", "last_name"=>"Currie", "scopus_author_id"=>"7202634709"}], "year"=>2013, "source"=>"PLoS Medicine", "identifiers"=>{"sgr"=>"84886627037", "doi"=>"10.1371/journal.pmed.1001521", "isbn"=>"1549-1676 (Electronic)\\r1549-1277 (Linking)", "pmid"=>"24130460", "issn"=>"15491277", "scopus"=>"2-s2.0-84886627037", "pui"=>"370141399"}, "id"=>"2bc3a5b6-b88c-3e53-8bcf-4b739e15bd92", "abstract"=>"BACKGROUND: Excessive pregnancy weight gain is associated with obesity in the offspring, but this relationship may be confounded by genetic and other shared influences. We aimed to examine the association of pregnancy weight gain with body mass index (BMI) in the offspring, using a within-family design to minimize confounding.\\n\\nMETHODS AND FINDINGS: In this population-based cohort study, we matched records of all live births in Arkansas with state-mandated data on childhood BMI collected in public schools (from August 18, 2003 to June 2, 2011). The cohort included 42,133 women who had more than one singleton pregnancy and their 91,045 offspring. We examined how differences in weight gain that occurred during two or more pregnancies for each woman predicted her children's BMI and odds ratio (OR) of being overweight or obese (BMI≥85th percentile) at a mean age of 11.9 years, using a within-family design. For every additional kg of pregnancy weight gain, childhood BMI increased by 0.0220 (95% CI 0.0134-0.0306, p<0.0001) and the OR of overweight/obesity increased by 1.007 (CI 1.003-1.012, p = 0.0008). Variations in pregnancy weight gain accounted for a 0.43 kg/m(2) difference in childhood BMI. After adjustment for birth weight, the association of pregnancy weight gain with childhood BMI was attenuated but remained statistically significant (0.0143 kg/m(2) per kg of pregnancy weight gain, CI 0.0057-0.0229, p = 0.0007).\\n\\nCONCLUSIONS: High pregnancy weight gain is associated with increased body weight of the offspring in childhood, and this effect is only partially mediated through higher birth weight. Translation of these findings to public health obesity prevention requires additional study. Please see later in the article for the Editors' Summary.", "link"=>"http://www.mendeley.com/research/pregnancy-weight-gain-childhood-body-weight-withinfamily-comparison", "reader_count"=>55, "reader_count_by_academic_status"=>{"Unspecified"=>2, "Professor > Associate Professor"=>1, "Researcher"=>8, "Student > Doctoral Student"=>5, "Student > Ph. D. Student"=>8, "Student > Postgraduate"=>5, "Student > Master"=>11, "Other"=>3, "Student > Bachelor"=>6, "Lecturer"=>3, "Professor"=>3}, "reader_count_by_user_role"=>{"Unspecified"=>2, "Professor > Associate Professor"=>1, "Researcher"=>8, "Student > Doctoral Student"=>5, "Student > Ph. D. Student"=>8, "Student > Postgraduate"=>5, "Student > Master"=>11, "Other"=>3, "Student > Bachelor"=>6, "Lecturer"=>3, "Professor"=>3}, "reader_count_by_subject_area"=>{"Unspecified"=>5, "Agricultural and Biological Sciences"=>9, "Arts and Humanities"=>1, "Business, Management and Accounting"=>1, "Computer Science"=>1, "Economics, Econometrics and Finance"=>3, "Nursing and Health Professions"=>6, "Biochemistry, Genetics and Molecular Biology"=>1, "Materials Science"=>1, "Medicine and Dentistry"=>16, "Neuroscience"=>3, "Sports and Recreations"=>1, "Pharmacology, Toxicology and Pharmaceutical Science"=>1, "Psychology"=>4, "Social Sciences"=>2}, "reader_count_by_subdiscipline"=>{"Materials Science"=>{"Materials Science"=>1}, "Medicine and Dentistry"=>{"Medicine and Dentistry"=>16}, "Social Sciences"=>{"Social Sciences"=>2}, "Sports and Recreations"=>{"Sports and Recreations"=>1}, "Psychology"=>{"Psychology"=>4}, "Unspecified"=>{"Unspecified"=>5}, "Pharmacology, Toxicology and Pharmaceutical Science"=>{"Pharmacology, Toxicology and Pharmaceutical Science"=>1}, "Arts and Humanities"=>{"Arts and Humanities"=>1}, "Neuroscience"=>{"Neuroscience"=>3}, "Economics, Econometrics and Finance"=>{"Economics, Econometrics and Finance"=>3}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>9}, "Computer Science"=>{"Computer Science"=>1}, "Business, Management and Accounting"=>{"Business, Management and Accounting"=>1}, "Nursing and Health Professions"=>{"Nursing and Health Professions"=>6}, "Biochemistry, Genetics and Molecular Biology"=>{"Biochemistry, Genetics and Molecular Biology"=>1}}, "reader_count_by_country"=>{"New Zealand"=>1, "Canada"=>2, "United States"=>2, "China"=>1, "Portugal"=>1}, "group_count"=>5}

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Figshare

  • {"files"=>["https://ndownloader.figshare.com/files/1220981", "https://ndownloader.figshare.com/files/1220982", "https://ndownloader.figshare.com/files/1220983"], "description"=>"<div><p>Background</p><p>Excessive pregnancy weight gain is associated with obesity in the offspring, but this relationship may be confounded by genetic and other shared influences. We aimed to examine the association of pregnancy weight gain with body mass index (BMI) in the offspring, using a within-family design to minimize confounding.</p><p>Methods and Findings</p><p>In this population-based cohort study, we matched records of all live births in Arkansas with state-mandated data on childhood BMI collected in public schools (from August 18, 2003 to June 2, 2011). The cohort included 42,133 women who had more than one singleton pregnancy and their 91,045 offspring. We examined how differences in weight gain that occurred during two or more pregnancies for each woman predicted her children's BMI and odds ratio (OR) of being overweight or obese (BMI≥85th percentile) at a mean age of 11.9 years, using a within-family design. For every additional kg of pregnancy weight gain, childhood BMI increased by 0.0220 (95% CI 0.0134–0.0306, <i>p</i><0.0001) and the OR of overweight/obesity increased by 1.007 (CI 1.003–1.012, <i>p</i> = 0.0008). Variations in pregnancy weight gain accounted for a 0.43 kg/m<sup>2</sup> difference in childhood BMI. After adjustment for birth weight, the association of pregnancy weight gain with childhood BMI was attenuated but remained statistically significant (0.0143 kg/m<sup>2</sup> per kg of pregnancy weight gain, CI 0.0057–0.0229, <i>p</i> = 0.0007).</p><p>Conclusions</p><p>High pregnancy weight gain is associated with increased body weight of the offspring in childhood, and this effect is only partially mediated through higher birth weight. Translation of these findings to public health obesity prevention requires additional study.</p><p><i>Please see later in the article for the Editors' Summary</i></p></div>", "links"=>[], "tags"=>["within-family"], "article_id"=>812007, "categories"=>["Biological Sciences", "Science Policy"], "users"=>["David S. Ludwig", "Heather L. Rouse", "Janet Currie"], "doi"=>["https://dx.doi.org/10.1371/journal.pmed.1001521.s001", "https://dx.doi.org/10.1371/journal.pmed.1001521.s002", "https://dx.doi.org/10.1371/journal.pmed.1001521.s003"], "stats"=>{"downloads"=>12, "page_views"=>13, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Pregnancy_Weight_Gain_and_Childhood_Body_Weight_A_Within_Family_Comparison_/812007", "title"=>"Pregnancy Weight Gain and Childhood Body Weight: A Within-Family Comparison", "pos_in_sequence"=>0, "defined_type"=>4, "published_date"=>"2013-10-01 01:37:17"}
  • {"files"=>["https://ndownloader.figshare.com/files/1220980"], "description"=>"<p>Cohort selection and exclusion criteria.</p>", "links"=>[], "tags"=>["exclusion"], "article_id"=>812006, "categories"=>["Biological Sciences", "Science Policy"], "users"=>["David S. Ludwig", "Heather L. Rouse", "Janet Currie"], "doi"=>"https://dx.doi.org/10.1371/journal.pmed.1001521.t001", "stats"=>{"downloads"=>0, "page_views"=>3, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Cohort_selection_and_exclusion_criteria_/812006", "title"=>"Cohort selection and exclusion criteria.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2013-10-01 01:37:17"}
  • {"files"=>["https://ndownloader.figshare.com/files/1220977"], "description"=>"<p>Pregnancy weight gain expressed in kg. Reference range for pregnancy weight gain ≥6 to 12 kg. High birth weight defined as >4,000 g. Error bars are 95% confidence intervals.</p>", "links"=>[], "tags"=>[], "article_id"=>812003, "categories"=>["Biological Sciences", "Science Policy"], "users"=>["David S. Ludwig", "Heather L. Rouse", "Janet Currie"], "doi"=>"https://dx.doi.org/10.1371/journal.pmed.1001521.g002", "stats"=>{"downloads"=>0, "page_views"=>6, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Relationship_between_pregnancy_weight_gain_and_odds_ratio_for_high_birth_weight_infant_/812003", "title"=>"Relationship between pregnancy weight gain and odds ratio for high birth weight infant.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-10-01 01:37:17"}
  • {"files"=>["https://ndownloader.figshare.com/files/1220976"], "description"=>"<p>(A) Maternal weight gain; (B) child BMI.</p>", "links"=>[], "tags"=>["maternal", "bmi"], "article_id"=>812002, "categories"=>["Biological Sciences", "Science Policy"], "users"=>["David S. Ludwig", "Heather L. Rouse", "Janet Currie"], "doi"=>"https://dx.doi.org/10.1371/journal.pmed.1001521.g001", "stats"=>{"downloads"=>3, "page_views"=>18, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Distribution_of_maternal_weight_gain_and_child_BMI_in_the_study_cohort_/812002", "title"=>"Distribution of maternal weight gain and child BMI in the study cohort.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-10-01 01:37:17"}
  • {"files"=>["https://ndownloader.figshare.com/files/1220979"], "description"=>"<p>Data are mean (SD) or %.</p>a<p>See <a href=\"http://www.plosmedicine.org/article/info:doi/10.1371/journal.pmed.1001521#pmed-1001521-t001\" target=\"_blank\">Table 1</a> for a flow chart showing exclusions from the sample.</p>b<p>Excluding preterm (<37 weeks) or post term (>42 weeks) gestational age, multiple gestational number, maternal diabetes, and extremes in birth weight (<900 g or >7,000 g).</p>", "links"=>[], "tags"=>["cohort", "arkansas", "births"], "article_id"=>812005, "categories"=>["Biological Sciences", "Science Policy"], "users"=>["David S. Ludwig", "Heather L. Rouse", "Janet Currie"], "doi"=>"https://dx.doi.org/10.1371/journal.pmed.1001521.t002", "stats"=>{"downloads"=>0, "page_views"=>6, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Comparison_of_the_study_cohort_with_all_Arkansas_births_1989_8211_2005_/812005", "title"=>"Comparison of the study cohort with all Arkansas births 1989–2005.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2013-10-01 01:37:17"}
  • {"files"=>["https://ndownloader.figshare.com/files/1220978"], "description"=>"<p>(A) Difference in child BMI; (B) OR for child overweight or obesity. Reference range for pregnancy weight gain is ≥6 to 12 kg. Error bars are 95% confidence intervals.</p>", "links"=>[], "tags"=>[], "article_id"=>812004, "categories"=>["Biological Sciences", "Science Policy"], "users"=>["David S. Ludwig", "Heather L. Rouse", "Janet Currie"], "doi"=>"https://dx.doi.org/10.1371/journal.pmed.1001521.g003", "stats"=>{"downloads"=>0, "page_views"=>1, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Relationship_between_pregnancy_weight_gain_and_body_weight_in_childhood_/812004", "title"=>"Relationship between pregnancy weight gain and body weight in childhood.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-10-01 01:37:17"}

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Relative Metric

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