Evidence map›Paper›PMID 25118842›Full record

SynthesisPsychology & health2015

How standard is standard care? Exploring control group outcomes in behaviour change interventions for young people with type 1 diabetes.

K Ayling, S Brierley, B Johnson, S Heller, C Eiser

Abstract readMeta-AnalysisReview
In one paragraph

Synthesis in Psychology & health, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers, 5 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed, 5 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

22 citing papers in PubMed, 5 syntheses or guidelines pooled it.

  1. Selection and reporting of usual care comparators when designing primary care trials of complex health interventions: a systematic review.The British journal of general practice : the journal of the Royal College of General Practitioners · 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

5 authors.

K Aylinga Division of Primary Care, School of Medicine , University of Nottingham , Nottingham , UK.
S Brierley
B Johnson
S Heller
C Eiser

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectivePoor descriptions of standard care may compromise interpretation of results in randomised controlled trials (RCTs) of health interventions. We investigated quality of standard care in RCTs of behaviour change interventions for young people with type 1 diabetes and consider implications for evaluating trial outcomes.

designWe conducted systematic searches for articles published between 1999 and 2012. We extracted standard care descriptions and contacted trial authors to complete a checklist of standard care activities. The relationship between standard care quality and outcomes was examined via subgroup meta-analyses and meta-regression.

main outcome measuresStandard care descriptions, standard care quality, and relationships between standard care quality with medical and psychological outcomes.

resultsWe identified 20 RCTs described across 26 articles. Published descriptions of standard care were limited to service-level features. Author responses indicated standard care provision extended beyond published accounts. Subgroup analyses suggested control groups receiving higher standard care quality showed larger improvements in both medical and psychological outcomes, although standard care quality did not predict outcomes significantly.

conclusionThe quality of care delivered to control group participants can influence outcomes of RCTs. Inadequate reporting exacerbates this issue by masking variations between trials. We argue for increased clarity in reporting standard care in future trials.

Indexed as

Control GroupsAdolescentChildDiabetes Mellitus, Type 1HumansOutcome Assessment, Health CareRandomized Controlled Trials as TopicStandard of CareYoung Adultcontrol groupmeta-analysisreportingstandard care qualitytype 1 diabetes

Identifiers

PMID25118842
PMCPMC4270262

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

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.