Prevalence of excessive screen time and its association with developmental delay in children aged <5 years: A population-based cross-sectional study in India
- S. VaradarajanAkila Govindarajan VenguidesvaraneK. RamaswamyMuthukumar RajamohanMurugesan KrupaSathiasekaran Bernard Winfred Christadoss
- 6 July 2021
Medicine
A very high prevalence of excessive ST was identified, with a significant association with developmental delay in children, and there is an urgent need to include education on ST limits at the primary healthcare level.
Impact of COVID-19 Lockdown on Screen Time and Sleep Quality Among Medical and Allied-Health Undergraduates in Chennai: A Cross-Sectional Study
- Akila Govindarajan VenguidesvaraneS. VaradarajanMuthukumar RajamohanSaranya Varadarajan
- 1 October 2025
Medicine
The COVID-19 lockdown significantly increased screen time and sleep disturbances among undergraduate students and Depressive symptoms and higher fear of COVID-19 scores were also significant predictors of poor sleep.
Tobacco and alcohol use and dependence among workers in a fish processing factory in coastal Karnataka
- Muralidhar M. KulkarniGeorge P. JacobS. PraharajThippeswamy VaddarMuthukumar RajamohanA. Chaudhary
- 24 February 2021
Medicine, Environmental Science
There is an urgent need to address the prevalence of tobacco and alcohol use and their dependence among fish factory workers in India by education and also explore other feasible interventions.
Digital Twin Technology in Health Professional Education: A Scoping Review of Opportunities and Challenges
- Muthukumar RajamohanZari AnjumR. Muthamizhveena
- 21 June 2025
Medicine, Education
Assessment of Nutritional Status of Anganwadi Children in Coastal Karnataka: A CrossSectional Study
- S. KiniMuthukumar RajamohanUttam KumarK. SumangalaBS VishnuKeerthi
- 2022
Medicine, Agricultural and Food Sciences
Stunning, Under-weight, Wasting and Thinness are the issues which requires the country to ensure implementation of policies which are practical and effective and also the interventions across the life cycle that take into account the variations and the context of each state in the authors' country.
‘We just give the phone so they stay quiet’: a qualitative exploration of screen time practices among caregivers of children younger than 5 years in south India
- S. VaradarajanAkila Govindarajan VenguidesvaraneMuthukumar RajamohanMurugesan KrupaKarthik Narayanan Ramaswamy
- 1 March 2026
Sociology, Medicine
Caregivers face multiple, structural and family level challenges in managing screen time among young children in urban and rural areas of Tamil Nadu, India, and awareness and interventions need to be tailored to address family dynamics, caregiver fatigue and lack of alternatives.
Changes in physical activity, dietary behaviours, and BMI among undergraduate health students before, during, and after the COVID-19 lockdown: a follow-up study
- S. VaradarajanAkila Govindarajan VenguidesvaraneMuthukumar RajamohanSaranya VaradarajanThodur Madapusi Balaji
- 23 January 2026
Medicine, Environmental Science
COVID-19 lockdown led to reduced physical activity and altered dietary behaviours among health-professional students, producing modest but sustained BMI increases, prompting student-focused health-promotion strategies and digital tools to maintain activity.
Screen time and sleep problems in South Indian preschoolers: a community-based cross-sectional study
- Akila Govindarajan VenguidesvaraneS. VaradarajanMuthukumar RajamohanMurugesan KrupaKarthik Narayanan Ramaswamy
- 1 December 2025
Medicine
This is one of the few Indian studies to establish an ROC-derived screen time threshold for identifying sleep problems, which can guide targeted parental advice and early preventive strategies to promote healthy sleep in preschool children.