Evidence map›Paper›PMID 25721766›Full record

ArticlePublic health nutrition2015

Effect of a hospital policy of not accepting free infant formula on in-hospital formula supplementation rates and breast-feeding duration.

Marie Tarrant, Kris Yw Lok, Daniel Yt Fong, Irene Ly Lee, Alice Sham, Christine Lam, Kendra M Wu, Dorothy L Bai, Ka Lun Wong, Emmy My Wong and 2 more

Abstract read
In one paragraph

Article in Public health nutrition, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
11citing 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

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

  1. Pooled it
  2. Article
  3. Impact of diet on the gut mycobiome of Hong Kong Chinese infants.Computational and structural biotechnology journal · 2025
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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

12 authors.

Marie Tarrant1School of Nursing, Li Ka Shing Faculty of Medicine,The University of Hong Kong,4/F William M.W. Mong Block,21 Sassoon Road,Hong Kong Special Administrative Region (SAR),People's Republic of China.
Kris Yw Lok1School of Nursing, Li Ka Shing Faculty of Medicine,The University of Hong Kong,4/F William M.W. Mong Block,21 Sassoon Road,Hong Kong Special Administrative Region (SAR),People's Republic of China.ORCID http://orcid.org/0000-0002-1938-8805
Daniel Yt Fong1School of Nursing, Li Ka Shing Faculty of Medicine,The University of Hong Kong,4/F William M.W. Mong Block,21 Sassoon Road,Hong Kong Special Administrative Region (SAR),People's Republic of China.ORCID http://orcid.org/0000-0001-7365-9146
Irene Ly Lee2Queen Mary Hospital,Hong Kong SAR,People's Republic of China.
Alice Sham3United Christian Hospital,Kowloon,Hong Kong SAR,People's Republic of China.
Christine Lam4Department of Obstetrics and Gynaecology,Queen Elizabeth Hospital,Kowloon,Hong Kong SAR,People's Republic of China.
Kendra M Wu5School of Public Health,Li Ka Shing Faculty of Medicine,The University of Hong Kong,Hong Kong SAR,People's Republic of China.
Dorothy L Bai1School of Nursing, Li Ka Shing Faculty of Medicine,The University of Hong Kong,4/F William M.W. Mong Block,21 Sassoon Road,Hong Kong Special Administrative Region (SAR),People's Republic of China.
Ka Lun Wong1School of Nursing, Li Ka Shing Faculty of Medicine,The University of Hong Kong,4/F William M.W. Mong Block,21 Sassoon Road,Hong Kong Special Administrative Region (SAR),People's Republic of China.
Emmy My Wong6Department of Health and Physical Education,The Hong Kong Institute of Education,New Territories,Hong Kong SAR,People's Republic of China.
Noel Pt Chan1School of Nursing, Li Ka Shing Faculty of Medicine,The University of Hong Kong,4/F William M.W. Mong Block,21 Sassoon Road,Hong Kong Special Administrative Region (SAR),People's Republic of China.
Joan E Dodgson7College of Nursing and Healthcare Innovation,Arizona State University,Phoenix,AZ,USA.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveTo investigate the effect of public hospitals in Hong Kong not accepting free infant formula from manufacturers on in-hospital formula supplementation rates and breast-feeding duration.

designProspective cohort study.

settingIn-patient postnatal units of four public hospitals in Hong Kong. SUBJECTS: Two cohorts of breast-feeding mother-infant pairs (n 2560). Cohort 1 (n 1320) was recruited before implementation of the policy to stop accepting free infant formula and cohort 2 (n 1240) was recruited after policy implementation. Participants were followed prospectively for 12 months or until they stopped breast-feeding.

resultsThe mean number of formula supplements given to infants in the first 24 h was 2·70 (sd 3·11) in cohort 1 and 1·17 (sd 1·94) in cohort 2 (P<0·001). The proportion of infants who were exclusively breast-fed during the hospital stay increased from 17·7 % in cohort 1 to 41·3 % in cohort 2 (P<0·001) and the risk of breast-feeding cessation was significantly lower in cohort 2 (hazard ratio=0·81; 95 % CI 0·73, 0·90). Participants who non-exclusively breast-fed during the hospital stay had a significantly higher risk of stopping any or exclusive breast-feeding. Higher levels of formula supplementation also increased the risk of breast-feeding cessation in a dose-response pattern.

conclusionsAfter implementation of a hospital policy to pay market price for infant formula, rates of in-hospital formula supplementation were reduced and the rates of in-hospital exclusive breast-feeding and breast-feeding duration increased.

Indexed as

Breast FeedingDietary SupplementsHospitalsInfant FormulaPolicyAdolescentAdultCosts and Cost AnalysisFemaleHong KongHumansInfantProspective StudiesYoung AdultBreast-feedingFormula supplementationHong KongHospital practicesInfant feeding

Identifiers

PMID25721766
PMCPMC10271849

What OpenQuestion holds

Textmetadata
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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.