scholarly journals Validity of maternal report on birth weight 11 years after delivery: the 1993 Pelotas Birth Cohort Study, Rio Grande do Sul State, Brazil

2007 ◽  
Vol 23 (10) ◽  
pp. 2421-2427 ◽  
Author(s):  
Cora L. P. Araújo ◽  
Carmem L. C. Dutra ◽  
Pedro C. Hallal
Keyword(s):  
Cohort Study ◽  
Birth Weight ◽  
Birth Cohort ◽  
Rio Grande ◽  
Birth Cohort Study ◽  
Rio Grande Do Sul ◽  
Long Term Effects ◽  
Maternal Report ◽  
Short And Long Term ◽  
Using Data

Birth weight has short and long-term effects on health. Some studies have used retrospective data on birth weight, reported by the subject or by the parents. This paper compares data on birth weight measured by the research team in 1993 with birth weight reported by the mother in 2004-2005, using data from the 1993 Pelotas Birth Cohort Study, Rio Grande do Sul State, Brazil. We also evaluate the role of misclassification when exploring the effect of birth weight on a given outcome. Mean difference between the two variables was 20g (SD = 288.3). Agreement for detecting low birth weight was 95.2% in the sample as a whole (kappa = 0.73), but was lower among low-schooling mothers. Mothers of children weighing less than 3,500g at birth tended to overestimate the child's birth weight. Inversely, mothers of heavier children tended to underestimate the values. One out of four mothers reported a difference of at least 200g in birth weight as compared to that measured in 1993. Use of reported birth weight diluted the magnitude of the association with body mass index at 11 years in comparison with measured birth weight. Reported birth weight should be used with great caution, if at all.

scholarly journals Association between In Utero arsenic exposure, placental gene expression, and infant birth weight: a US birth cohort study

2013 ◽  
Vol 12 (1) ◽  
Author(s):  
Dennis Liang Fei ◽  
Devin C Koestler ◽  
Zhigang Li ◽  
Camilla Giambelli ◽  
Avencia Sanchez-Mejias ◽  
...  
Keyword(s):  
Gene Expression ◽  
Cohort Study ◽  
Birth Weight ◽  
Birth Cohort ◽  
Arsenic Exposure ◽  
In Utero ◽  
Birth Cohort Study ◽  
Infant Birth

scholarly journals Fetal Thyroid Function, Birth Weight, andin UteroExposure to Fine Particle Air Pollution: A Birth Cohort Study

2017 ◽  
Vol 125 (4) ◽  
pp. 699-705 ◽  
Author(s):  
Bram G. Janssen ◽  
Nelly D. Saenen ◽  
Harry A. Roels ◽  
Narjes Madhloum ◽  
Wilfried Gyselaers ◽  
...  
Keyword(s):  
Air Pollution ◽  
Cohort Study ◽  
Birth Weight ◽  
Birth Cohort ◽  
Thyroid Function ◽  
Fine Particle ◽  
Birth Cohort Study ◽  
Fetal Thyroid

Regional differences in birth size: a comparison between the Helsinki Birth Cohort Study and contemporaneous births on the Åland Islands

2015 ◽  
Vol 6 (4) ◽  
pp. 263-267 ◽  
Author(s):  
S. Sandboge ◽  
J. Fellman ◽  
P. M. Nilsson ◽  
A. W. Eriksson ◽  
C. Osmond ◽  
...  
Keyword(s):  
Cohort Study ◽  
Birth Weight ◽  
Marital Status ◽  
Birth Cohort ◽  
Regional Differences ◽  
Multiple Linear Regression Model ◽  
Life Course Perspective ◽  
Birth Cohort Study ◽  
Average Birth Weight ◽  
Birth Characteristics

The Åland Islands were recently ranked as Finland’s healthiest region with lower prevalence of several non-communicable diseases compared with the national mean. We have compared birth characteristics of 1697 individuals born on the Åland Islands between 1937 and 1944 with contemporaneous data from the Helsinki Birth Cohort Study (HBCS;n=11,808). This is a first step towards a potential future analysis of Ålandic health from a life-course perspective. Mean birth weight and length were calculated for both cohorts. Birth weight was entered into a multiple linear regression model with sex, maternal age, marital status and birth year as predictors. Mean birth weight in the Åland cohort was 3499 g, 87 g (95% CI 62; 111) higher compared with the HBCS. Sex and maternal marital status were the strongest predictors of birth weight. More detailed studies are needed to explore the potential effects of this difference in average birth weight between cohorts.

scholarly journals Maternal and cord blood manganese (Mn) levels and birth weight: The MIREC birth cohort study

2018 ◽  
Vol 221 (6) ◽  
pp. 876-882 ◽  
Author(s):  
Jillian Ashley-Martin ◽  
Linda Dodds ◽  
Tye E. Arbuckle ◽  
Adrienne S. Ettinger ◽  
Gabriel D. Shapiro ◽  
...  
Keyword(s):  
Cohort Study ◽  
Birth Weight ◽  
Cord Blood ◽  
Birth Cohort ◽  
Birth Cohort Study ◽  
Blood Manganese

scholarly journals Developmental factors associated with decline in grip strength from midlife to old age: a British birth cohort study

BMJ Open ◽  
2019 ◽  
Vol 9 (5) ◽  
pp. e025755 ◽  
Author(s):  
Diana Kuh ◽  
Rebecca Hardy ◽  
Joanna M Blodgett ◽  
Rachel Cooper
Keyword(s):  
Cohort Study ◽  
Birth Weight ◽  
Grip Strength ◽  
Birth Cohort ◽  
Old Age ◽  
Motor Development ◽  
Muscle Development ◽  
Growth Parameters ◽  
Birth Cohort Study ◽  
Developmental Factors

ObjectivesTo test whether developmental factors are associated with grip strength trajectories between 53 and 69 years, and operate independently or on the same pathway/s as adult factors.DesignBritish birth cohort study.SettingEngland, Scotland and Wales.Participants3058 men and women.Main outcome measuresGrip strength (kg) at ages 53, 60–64 and 69 were analysed using multilevel models to estimate associations with developmental factors (birth weight, growth parameters, motor and cognitive development) and father’s social class, and investigate adult factors that could explain observed associations, testing for age and sex interactions.ResultsIn men, heavier birth weight, beginning to walk ‘on time’, later puberty and greater weight 0–26 years and in women, heavier birth weight and earlier age at first standing were independently associated with stronger grip but not with its decline. The slower decline in grip strength (by 0.07 kg/year, 95% CI 0.02 to 0.11 per 1 SD, p=0.003) in men of higher cognitive ability was attenuated by adjusting for adult verbal memory.ConclusionsPatterns of growth and motor development have persisting associations with grip strength between midlife and old age. The strengthening associations with cognition suggest that, at older ages, grip strength increasingly reflects neural ageing processes. Interventions across life that promote muscle development or maintain muscle strength should increase the chance of an independent old age.

scholarly journals An association between maternal weight change in the year before pregnancy and infant birth weight: ELFE, a French national birth cohort study

PLoS Medicine ◽  
2019 ◽  
Vol 16 (8) ◽  
pp. e1002871 ◽  
Author(s):  
Marion Lecorguillé ◽  
Madalina Jacota ◽  
Blandine de Lauzon-Guillain ◽  
Anne Forhan ◽  
Marie Cheminat ◽  
...  
Keyword(s):  
Cohort Study ◽  
Birth Weight ◽  
Birth Cohort ◽  
Weight Change ◽  
Birth Cohort Study ◽  
Maternal Weight ◽  
Infant Birth
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