ArticleJournal of comparative effectiveness research2015
Value of a small control group for estimating intervention effectiveness: results from simulations of immunization effectiveness studies.
Article in Journal of comparative effectiveness research, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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.
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.
Who cites it
8 citing papers in PubMed.
- Trial
- Article
- Explaining the changes in procrastination in an ACT-based course - psychological flexibility and time and effort management as mediators.Frontiers in psychology · 2024Article
- Sheds for life: health and wellbeing outcomes of a tailored community-based health promotion initiative for men's sheds in Ireland.BMC public health · 2022Article
- An Economic Evaluation of 'Sheds for Life': A Community-Based Men's Health Initiative for Men's Sheds in Ireland.International journal of environmental research and public health · 2022Article
- Evaluating a Sport-Based Mental Health Literacy Intervention in Australian Amateur Sporting Adolescents.Journal of youth and adolescence · 2021Article
- Reducing Young Schoolchildren's Intake of Sugar-Rich Food and Drinks: Study Protocol and Intervention Design for "Are You Too Sweet?" A Multicomponent 3.5-Month Cluster Randomised Family-Based Intervention Study.International journal of environmental research and public health · 2020Article
- Assessment of effectiveness and safety of repeat administration of proinflammatory primed allogeneic mesenchymal stem cells in an equine model of chemically induced osteoarthritis.BMC veterinary research · 2018Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
4 authors.
Funding
Abstract
aimTo improve evidence for public health practice, the conduct of effectiveness studies by practitioners is needed and may be stimulated if knowledge that smaller than usual samples may provide the same reliability of intervention effect size as larger samples. MATERIALS &
methodsWe examined reliability of intervention effect using computerized simulations of 2000 hypothetical immunization effectiveness studies from an actual study population and by small (30 and 60) and larger (100 and 200) control groups compared with an intervention group of 200 participants. RESULTS &
conclusionAcross simulated studies, the mean intervention effect (14%) and effect sizes were equivalent regardless of control group size and equal to the actual study effect. These results are relevant for similarly designed and executed studies and indicate that studies with smaller control groups can generate valid and accurate evidence for effective public health practice in communities.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
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.