Peer support intervention (ABA-feed) to improve breastfeeding: UK based, multicentre, parallel group, randomised controlled trial.

Name: Αlpha¹ Rigor Record — Peer support intervention (ABA-feed) to improve breastfeeding: UK based, multicentre, parallel group, randomised controlled trial.
Item: Peer support intervention (ABA-feed) to improve breastfeeding: UK based, multicentre, parallel group, randomised controlled trial.
Rating: 100
Author: Αlpha¹

Jolly K, Clarke J, Crossland N, Dombrowski SU, Gkini E, Hoddinott P, Ingram J, Johnson D, MacArthur C, Mann M, McKell J, Moss N, Roberts T, Sanders J, Savory N, Sitch A, Taylor B, Tearne S, Thomson G, Williams E, Woolley R, ABA-feed study group

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Αlpha¹ Rigor Review — 2.75★ (Weak), 0 critical, 3 high issues for “Peer support intervention (ABA-feed) to improve breastfeeding: UK based, multicentre, parallel group, randomised controlled trial.”

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Αlpha¹ Editorial

This rigor review was examined and confirmed by Αlpha¹ Editorial · August 15, 2026

Αlpha¹ Rigor Review

Rigor Reviewed

2.75 / 5

Weak — serious problems found

Interventional Study

Critical

High-priority

How this rating was calculated▸

Started at 5★ — deductions

IntegrityIntegrity concern ×2−1★
ClaimsEfficacy rests on an unvalidated surrogate endpoint−0.5★
ClaimsTreatment effect not shown to be clinically meaningful−0.5★
CitationsUnresolved reference−0.25★

Model-reported confidence: highReviewer agreement: highEngine: 7.39.0Source: full text

Not verified in this report

The numeric-impossibility checks (GRIM/GRIMMER/DEBIT/SPRITE) did not run: 20 reported means were read, and their group size is not stated where the values are printed (this source has no machine-readable table structure). These checks need the count the mean was averaged over, so none was performed.

Problems surfaced4 types

Numerical inconsistencies1

Values that contradict each other or are impossible for the stated sample: recomputed p-values and test statistics, GRIM/GRIMMER checks on summary numbers, percentages against their own counts, totals against their parts, and estimates against their own confidence intervals.

Internal contradictions in the reported numbersAssessed

Overstated conclusions2

Conclusions that reach past what the paper's own results support — including a significance claim that no longer holds when the statistic is recomputed, and efficacy resting on an unvalidated surrogate endpoint.

Efficacy rests on an unvalidated surrogate endpointAssessed
Treatment effect not shown to be clinically meaningfulAssessed

Broken references and links1

References checked against Crossref, OpenAlex and Retraction Watch for retractions and resolvability, plus declared data and code links probed for whether they resolve to content matching the paper.

References not resolvable to a published paperRecomputed

This Αlpha¹ Rigor Review uses AI Rigor Reviewers trained on a curated corpus of high-fidelity and retracted papers, with expert supervision and curation. It can still make mistakes; verify each finding against the source before relying on it.

This is a well-conducted and transparently reported randomised controlled trial of a peer support intervention for breastfeeding. The methods are rigorous, with clear randomization, sample size justification, and prespecified analyses. Minor reporting gaps include lack of explicit CONSORT statement and some threshold p-values, but these do not undermine the overall integrity.

Both reviewers classified the study as interventional, and I adopt that. The evaluation covered all eight dimensions; several sub-criteria were not applicable (e.g., animal-related, cell lines). The statistics verification recomputed only 3 tests, all consistent; other statistics remain unverified. The citation check found 1 reference not found in registry, which is a potential fabrication signal.

6 major claims checked against the paper's own evidence: all adequately supported.

Premise concern: surrogate not validated for clinical benefit; effect size not shown to be clinically meaningful.

Recomputed 3 tests: 3 consistent, 0 inconsistent; 3 via agent-written checks.

2 integrity concerns flagged (0 high).

Reporting

Eight Dimensions8 pass

The introduction cites WHO recommendations, UK breastfeeding statistics, a 2022 Cochrane review, and prior UK trials, acknowledging both strengths and weaknesses of previous work. The rationale for the ABA-feed intervention is clearly linked to addressing limitations of prior interventions (low intensity, lack of timely support, need for proactive contact). The paper explicitly states how the intervention was developed to deal with these issues.

Sub-criteria

prior work citedADEQUATE

premise rationaleADEQUATE

limitations addressedADEQUATE

Per reviewer (2) — the votes behind the verdict

PASSReviewer 1· 90% conf

The paper establishes a clear scientific premise with extensive prior work and a logical rationale for the intervention.

Evidence

direct quote[Introduction, paragraphs 1-3]

“A 2022 Cochrane review reported moderate certainty evidence that interventions providing breastfeeding support (delivered by professionals or non-professionals) probably reduce the risk of women stopping any and exclusive breastfeeding at 4-6 weeks, 3-4 months, and six months after birth.”