ArticlePeerJ2020
Validity and reliability evidence of a point of care assessment of salivary cortisol and
Article in PeerJ, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
What it found
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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.
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Who cites it
7 citing papers in PubMed, 14 citations in OpenAlex.
- Emotional intelligence training improves stress regulation and performance in high-stress occupations.Scientific reports · 2026Trial
- The effects of normobaric and hypobaric hypoxia on cognitive performance and physiological responses: A crossover study.PloS one · 2022Trial
- Advances in salivary cortisol monitoring for healthcare applications.RSC advances · 2026Review
- Stress and fatigue in nurses in critical care units and their association with salivary cortisol.Revista brasileira de enfermagem · 2025Article
- Utility of salivary cortisol profile as a predictive biomarker in nurses' turnover risk: a preliminary study.Journal of physiological anthropology · 2024Article
- Investigating the Psychophysiological Response to Grade One Muscular Injuries in Professional Australian Football Athletes.International journal of exercise science · 2022Article
- Connections between Different Sports and Ergogenic Aids-Focusing on Salivary Cortisol and Amylase.Medicina (Kaunas, Lithuania) · 2021Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
6 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeThe iPro Cube is a small portable point-of-care device designed to analyse salivary markers of stress in a user-friendly manner (e.g., fast, convenient). Our aim was to test the reliability and validity of the iPro Cube to measure salivary cortisol and
methodsThe study was a repeated measures, pre-registered design, and statistical framework that incorporated prior knowledge directly into the estimation process. Twenty-nine individuals (age = 27.4 ± 6.6 y; body-mass = 70.8 ± 11.3 kg; height = 1.74 ± 0.92 m; 18 males) completed a single PWC
resultsCorrelation between the iPro Cube and laboratory-based assessments of salivary cortisol was moderate-to-large (0.53 >
conclusionsThe iPro Cube is capable of taking measures of salivary cortisol that are moderately correlated to values obtained via ELISA immunoassay, however the unit underestimates salivary cortisol and overestimates salivary -amylase at rest and post-moderate intensity exercise. It is recommended that researchers continue using standard laboratory techniques to assess these salivary stress markers.
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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.