Observational studyArchives of disease in childhood2025
Short-term weight variability in infants and toddlers: an observational study.
Observational study in Archives of disease in childhood, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The trial behind it
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Who cites it
2 citing papers in PubMed.
- Association between placental malaria, postnatal linear growth, and body mass index in the Dogon Longitudinal Study, Mali.Malaria journal · 2026Article
- Artificial intelligence-driven anthropometric assessment for young children: evaluating the accuracy and practicality of a digital image-based length and weight prediction tool.BMJ health & care informatics · 2025Observational
Corrections and comments
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
aimsTo explore short-term weight variability in young children; (1) how it relates to expected weight gain and (2) how it is affected by age, time of day and dietary intakes and outputs.
methodsTwenty healthy infants aged 2-10 months and 21 healthy toddlers aged 12-35 months were weighed at home by their parents six times over 3 days. The toddlers' parents also recorded whether they had eaten, drunk, urinated or passed stool in the previous 2 hours. The primary outcome was 'noise': the within-subject weight SD pooled separately for infants and toddlers, compared with their expected weight gain over 4 or 8 weeks. Analysis by successive pairs of weights was used to assess the extent of short-term weight gain and loss associated with time of day and eating, drinking and excretion.
resultsIn infants, noise (117 g) was much less than the expected weight gain over 4 weeks (280-1040 g) but in toddlers, noise (313 g) was higher than the expected gain over 4 weeks (180-230 g) and around three-quarters the expected gain over 8 weeks (359-476 g). In toddlers, weight tended to fall overnight and rise by day, and recent eating and passage of stool were associated with increased weight gain, even after adjustment for time of day.
conclusionsIn toddlers, the recorded weight may be 300 g higher or lower than the underlying weight trajectory, so that their weight gain based on measurements collected fewer than 8 weeks apart will often be misleading.
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