- Home
- Medical news & Guidelines
- Anesthesiology
- Cardiology and CTVS
- Critical Care
- Dentistry
- Dermatology
- Diabetes and Endocrinology
- ENT
- Gastroenterology
- Medicine
- Nephrology
- Neurology
- Obstretics-Gynaecology
- Oncology
- Ophthalmology
- Orthopaedics
- Pediatrics-Neonatology
- Psychiatry
- Pulmonology
- Radiology
- Surgery
- Urology
- Laboratory Medicine
- Diet
- Nursing
- Paramedical
- Physiotherapy
- Health news
- Fact Check
- Bone Health Fact Check
- Brain Health Fact Check
- Cancer Related Fact Check
- Child Care Fact Check
- Dental and oral health fact check
- Diabetes and metabolic health fact check
- Diet and Nutrition Fact Check
- Eye and ENT Care Fact Check
- Fitness fact check
- Gut health fact check
- Heart health fact check
- Kidney health fact check
- Medical education fact check
- Men's health fact check
- Respiratory fact check
- Skin and hair care fact check
- Vaccine and Immunization fact check
- Women's health fact check
- AYUSH
- State News
- Andaman and Nicobar Islands
- Andhra Pradesh
- Arunachal Pradesh
- Assam
- Bihar
- Chandigarh
- Chattisgarh
- Dadra and Nagar Haveli
- Daman and Diu
- Delhi
- Goa
- Gujarat
- Haryana
- Himachal Pradesh
- Jammu & Kashmir
- Jharkhand
- Karnataka
- Kerala
- Ladakh
- Lakshadweep
- Madhya Pradesh
- Maharashtra
- Manipur
- Meghalaya
- Mizoram
- Nagaland
- Odisha
- Puducherry
- Punjab
- Rajasthan
- Sikkim
- Tamil Nadu
- Telangana
- Tripura
- Uttar Pradesh
- Uttrakhand
- West Bengal
- Medical Education
- Industry
Warnings on the dangers of screen time are ill founded, says new study
Delhi: Researchers have found in a new study that Warnings on the dangers of screen time are ill founded.Findings from the recent study has raised concerns about the validity of findings that rely solely on self-reported measures of digital media use.
Douglas A. Parry, Stellenbosch University, Stellenbosch, South Africa, and colleagues carried out the largest systematic review and meta-analysis to date of how people's perceptions of their screen time compare with what they do in practice, finding estimates of usage were only accurate in about five per cent of studies.
The international team say this casts doubt on the validity of research on the impact of screen time on mental health, and its influences on government policy, as the vast majority rely on participants to estimate (self-report) how long they spend on digital devices, rather than logs of actual usage, or tracked time.
"For decades, researchers have relied on estimates of how we use various technologies to study how people use digital media and the potential outcomes this behaviour can lead to. Our findings suggest that much of this work may be on unstable footing," said lead researcher Dr Doug Parry.
"The screen time discrepancies highlight that we simply do not know enough yet about the actual effects (both positive and negative) of our media use. Researchers, journalists, members of the public, and crucially policy makers need to question the quality of evidence when they consider research on media uses and effects. We can no longer simply take claims of harmful effects at face value."
The researchers also investigated whether questionnaires and scales addressing 'problematic' media use, such as excessive or so-called 'addictive' media use, were suitable substitutes for logged usage. They found an even smaller association with usage logs for these measures.
Published in Nature Human Behaviour, the research identified every existing study that compares logged or tracked media use measures with equivalent self-reports. They screened over 12,000 articles for inclusion and found 47 studies that included both types of measures. From here they were able to identify and extract 106 comparisons, based on 50,000 individuals, to address the question of how closely self-report estimates relate to logs of actual usage.
"These highly flawed studies are over-inflating the relationships between digital media use and typically negative outcomes, such as mental health symptoms and cognitive impairments, which of course explains the pervading view that smartphones among other technologies are bad for us," said Dr Brit Davidson from the University of Bath's School of Management.
"Media and technology use takes the blame for everything from increases in teenage depression and suicide to higher incidence of Attention Deficit Hyperactivity Disorder (ADHD) and violence. If we want to properly investigate harms, we must first tackle assumptions about screen time and disentangle how people are actually using their phones or other technologies of interest.
"Importantly, these questionable studies are also being used to influence policy. The UK and Canada both have forms of screen time guidelines based on poorly conducted research, which is clearly worrying and hard to reverse."
The research team also included Dr Craig Sewall at The University of Pittsburgh; Dr Jacob Fisher at the University of Illinois Urbana-Champaign; Hannah Mieczkowski at Stanford University; and Dr Daniel Quintana at the University of Oslo.
The researchers hope that their study will lead to a shift in measurement practices regarding technology, alongside starting to correct the narrative regarding technology and society. They say that only by better understanding what people actually do with their technologies, can we start to genuinely understand the impact of them on people and society.
Research that requires participants to estimate their own digital screen time cannot provide reliable information on mental health impact, concludes major international review
Reference:
The study titled, "A systematic review and meta-analysis of discrepancies between logged and self-reported digital media use," is published in the journal Nature Human Behaviour.
DOI: https://www.nature.com/articles/s41562-021-01117-5
MSc. Biotechnology
Medha Baranwal joined Medical Dialogues as an Editor in 2018 for Speciality Medical Dialogues. She covers several medical specialties including Cardiac Sciences, Dentistry, Diabetes and Endo, Diagnostics, ENT, Gastroenterology, Neurosciences, and Radiology. She has completed her Bachelors in Biomedical Sciences from DU and then pursued Masters in Biotechnology from Amity University. She has a working experience of 5 years in the field of medical research writing, scientific writing, content writing, and content management. She can be contacted at  editorial@medicaldialogues.in. Contact no. 011-43720751
Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751