Evidence map›Paper›PMID 33593471›Full record

ArticlePublic health nutrition2021

Effect of breakfast cereal type on portion size and nutritional implications.

Isabelle M Lewis, Lucy Boote, Tom Butler

Abstract read
In one paragraph

Article in Public health nutrition, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed, 1 pooled it
–field-weighted citation impact
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

4 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
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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

3 authors.

Isabelle M LewisDepartment of Clinical Sciences and Nutrition, University of Chester, ChesterCH1 4BJ, UK.
Lucy BooteDepartment of Clinical Sciences and Nutrition, University of Chester, ChesterCH1 4BJ, UK.
Tom ButlerDepartment of Clinical Sciences and Nutrition, University of Chester, ChesterCH1 4BJ, UK.ORCID 0000-0003-0818-1566

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveThe present study aimed to assess the effect of different types of breakfast cereal (BC) on portion size and the nutritional implications of potential under or overserving.

designA cross-sectional analysis was performed using one BC from the seven established BC manufacturing methods (flaking (F), gun puffed (GP), oven puffed (OP), extruded gun puffed (EGP), shredded wholegrain (SW), biscuit formed (BF) and granola). Participants were asked to pour cereal as if they were serving themselves (freepour). Difference between the freepour and recommended serving size (RSS) was calculated (DFR). The Friedman test followed by Dunn's multiple comparison test was used to test for a significant differences between cereal categories.

settingCity of Chester, North West of the UK.

participantsAdults (n 169; n 110 female, 32 (sd 18) years).

resultsFreepour values were greater than RSS for all categories of BC. Median values for denser cereals such as SW, granola and oats were significantly (P < 0·001) greater than all other categories with granola having the highest median freepour value of 95 g. Median (and range of) DFR weight values for granola were significantly higher than other BC (50·0 g (-24·0 to 267·0 g), P < 0·001). BC with the lowest median DFR were F1 (7·0 g (-20 to 63·0 g)), GP (6·0 g (-26·0 to 69·0 g)), EGP (6·0 g (-26·0 to 56·0 g)), OP (5·0 g (-27·0 to 53·0 g)) and BF (0·0 g (-28·2 to 56·4 g)).

conclusionsThe degree of overserving may be related to the type of BC with denser cereals more readily overserved. Encouraging manufacturers to reformulate cereals and improving their nutritional properties may have benefit in reducing excess energy intake.

Indexed as

Edible GrainPortion SizeAdultBreakfastCross-Sectional StudiesHumansNutritive ValueBreakfastCerealObesityPortion sizeSugarVolume

Identifiers

PMID33593471
PMCPMC10195339

What OpenQuestion holds

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Registered trials

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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.