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DrChali Hub

Evidence-driven platform that empowers young children, families, educators, and communities to navigate healthier digital habits and active living.

Coming soon...

About

Chalchisa Abdeta, PhD (Founder)

I’m Dr. Chalchisa Abdeta (PhD) — though many know me simply as Dr Chali. I am a researcher, digital wellbeing advocate, and global health collaborator working at the intersection of 24‑hour movement behaviours (physical activity, sedentary screen time, and sleep) and public health.

I’m passionate about turning scientific evidence into practical tools that help families, young people, and communities thrive. My journey began in Ethiopia, where I trained as a physiotherapist before completing a Master of Public Health. I later earned my PhD from the University of Wollongong, Australia, where my research focused on adherence to the World Health Organization’s 24‑hour movement behaviour guidelines and their impact on young children’s health and development.


Over the years, I have contributed to major international research initiatives, including the SUNRISE International Study led by Distinguished Professor Anthony Okely in Australia and the Active Healthy Kids Global Alliance led by Professor Mark Tremblay in Canada. I have also had the privilege of working alongside Professor John Reilly from Scotland, a leading figure in child health research. My work has been recognised globally, including receiving the 2022 Patrice L. Engle Dissertation Grant in Early Child Development (USA)—an international award of USD 5,000 supporting community‑led research translation in Ethiopia. I also received the Outstanding HDR Proposal Award from the University of Wollongong and a full Higher Degree Research scholarship to pursue my PhD at Early Start Research. To date, my work has achieved an h‑index of 10, with more than 1,800 citations.


Recently, I founded DrChali Hub—a science‑driven platform that empowers families, educators, and communities to navigate healthier digital habits and active living. My work blends rigorous research with storytelling, cultural insight, and community engagement, enabling me to reach audiences far beyond academia and contribute to healthier digital and physical environments worldwide. Explore my work at www.drchali.com.

Meet Dr Chali

Our volunteer

  

Alem Deksisa Abebe (BSc, MPH)


Alem is an Assistant Professor of Public Health at Adama Hospital Medical College, Ethiopia. His expertise lies in physical activity and non-communicable diseases prevention. He has contributed to significant research projects such as SUNRISE Study and Global Matrix initiatives and actively supports national policy development aimed at fostering healthier communities.

Meet Alem

Insights

Projects

Active Healthy Kids Ethiopia

Access physical activity grades, report cards, and related documents for children and adolescents from all Global Matrix studies involving Ethiopia.

Learn more

SUNRISE Study Ethiopia

The first accelerometer data recorded the 24-hour movement behaviour of Ethiopian preschool children.

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Ethiopia's Adults Physical Activity Card

Access physical activity country cards, and related documents for adults from all Global Observatory for Physical Activity (GoPA!) involving Ethiopia.

Learn more

Ethiopia's Physical Education Country Card

Access country cards and related documents on physical education for children and adolescents from all Global Observatory for Physical Education (GoPE!) initiatives involving Ethiopia.

Learn more

Publications

  1. Abdeta C, Deksisa A, Hailu M, et al. Physical activity, screen time and sleep among children and adolescents: findings from the 2022 Active Healthy Kids Ethiopia. BMC Pediatrics. 2025;25:532.  doi: 10.1186/s12887-025-05785-4. 
  2. Abdeta C, Cliff D, Kariippanon K, et al. Associations Between 24‑h Movement Behaviours and Health in 3‑ and 4‑Year‑Old Children From a Low‑Income Country: The SUNRISE Ethiopia Study. Child Care Health Dev. 2025;51(4):e70096.
  3. Abdeta C, Cliff D, Kariippanon K, et al. Child‑, Family‑, and Community‑Level Correlates of 24‑Hour Movement Behaviors in Ethiopian Young Children: The SUNRISE Study. J Phys Act Health. 2025;22(6):716‑725.
  4. Abdeta C, Cliff D, Kariippanon K, et al. Adherence to WHO physical activity, screen time and sleep guidelines among Ethiopian preschool children: The SUNRISE study. J Act Sedentary Sleep Behav. 2024;3(1):22.
  5. Abdeta C, Cliff DP, Toledo‑Vargas M, Okely AD. 24‑hour movement behaviours and health outcomes among forcibly displaced children: a scoping review. BMC Public Health. 2025;25(1):1799.
  6. Abdeta C, Teklemariam Z, Deksisa A, Abera E, Ocansey R, Okely AD. Assessment of Physical Activity Indicators for Children and Youth in Ethiopia: Evidence from the Global Matrix 3.0 Study. Sports Med Open. 2019;5(1):55.
  7. Reilly JJ, Andrew R, Abdeta C, et al. Improving National and International Surveillance of Movement Behaviours in Childhood and Adolescence: An International Modified Delphi Study. Sports Med. 2025;55(1):203‑219.
  8. Okely T, Reilly JJ, Abdeta C, et al. Cross‑sectional examination of 24‑hour movement behaviours among 3‑ and 4‑year‑old children: the SUNRISE study protocol. BMJ Open. 2021;11(10):e049267.
  9. Okely AD, Kontsevaya A, Ng J, Abdeta C. 2020 WHO guidelines on physical activity and sedentary behavior. Sports Med Health Sci. 2021;3(2):115‑118.
  10. Aubert S, Barnes JD, Abdeta C, et al. Global Matrix 4.0 Physical Activity Report Card Grades for Children and Adolescents: Results from 57 Countries. J Phys Act Health. 2022;19(11):700‑728.
  11. Aubert S, Barnes JD, Abdeta C, et al. Global Matrix 3.0 Physical Activity Report Card Grades for Children and Youth: Results from 49 Countries. J Phys Act Health. 2018;15(S2):S251‑S273.
  12. Mavilidi MF, Zou L, Abdeta C, et al. Adherence to 24‑hour movement guidelines: Cognitive effects in Australian preschoolers. Mental Health & Physical Activity. 2025;29:100712.
  13. Maddren CI, Dhamrait G, Abdeta C, et al. Parental Perceptions of Environmental Factors on Preschoolers' Outdoor Play in 19 Countries. J Phys Act Health. 2025;22(5):555‑565.
  14. Zhang Z, Abdeta C, Chelly MS, et al. Geocultural differences in preschooler sleep profiles and family practices: pooled data from 37 countries. Sleep. 2025;48(4):zsae305.
  15. Zhang Z, Abdeta C, Chelly MS, et al. Measurement properties of the SUNRISE Study Parent Questionnaire for sleep practices. Sleep Health. 2025 (online first).
  16. Debela MB, Gonfa KB, Abdeta C, et al. Breast cancer determinants in LMICs: umbrella review of meta‑analyses. BMC Cancer. 2025;25(1):1096.
  17. Murphy J, Milton K, Abdeta C, et al. Advocating for Implementation of the Global Action Plan on Physical Activity. J Phys Act Health. 2022;20(1):10‑19.
  18. Ramírez Varela A, Hallal PC, Abdeta C, et al. Status and Trends of Physical Activity Surveillance in 164 Countries. J Phys Act Health. 2022;20(2):112‑128.
  19. Abdeta C, Seyoum B, Teklemariam Z. Knowledge of physical activity guidelines among adults in Harar, Ethiopia. BMJ Open Sport Exerc Med. 2019;5(1):e000463.
  20. Manyanga T, Barnes JD, Abdeta C, et al. Indicators of Physical Activity Among Children and Youth in 9 Countries with Low–Medium HDI. J Phys Act Health. 2018;15(S2):S274‑S283.
  21. Abdeta C, Teklemariam Z, Deksisa A, Abera E. Results from Ethiopia’s 2018 Report Card on Physical Activity for Children and Youth. J Phys Act Health. 2018;15(S2):S353‑S354.
  22. Abdeta C, Teklemariam Z, Seyoum B. Prevalence of physical inactivity among adults in Harar, Ethiopia. Balt J Health Phys Act. 2018;10(2):72‑80.
  23. Mogo ERI, Lerno A, Abdeta C, Olufemi O. Socio‑ecological response to NCDs in Africa’s cities. Cities & Health. 2019;6(1):51‑56.
  24. Chala Y, Techane T, Abdeta C, et al. Time to breast cancer recurrence and predictors in Addis Ababa hospitals. J Cancer Res Clin Oncol. 2025;151(6):187.
  25. Maddren CI, Dhamrait G, Abdeta C, et al. Parental Perceptions of Environmental Factors on Preschoolers’ Sleep Duration Among 23 Low-, Middle-, and High-Income Countries. Behavioral Sleep Medicine. 2025; 1–13. doi:10.1080/15402002.2025.2576917.
  26. Tugu, Chalchisa Abdeta (2025). Adherence to the WHO movement behaviour guidelines and associations with health and development among young children in Ethiopia. University of Wollongong. Thesis. https://doi.org/10.71747/uow-r3gk326m.29220812.v1.

Conference presentations

  1. Abdeta C, Cliff D, Deksisa A, Okely AD. Examining research translation in Ethiopia: Community-engaged dissemination of the SUNRISE study findings. ASPA 2025 Conference, Newcastle — In person.
  2. Abdeta C, Cliff D, Toledo-Vargas M, Okely AD. 24-hour movement behaviours and health outcomes among forcibly displaced children affected by conflict or natural disasters: A scoping review. ASPA 2025 Conference, Newcastle — In person.
  3. Abdeta C, Cliff D, Deksisa A, Okely AD. Translating PHD research findings in Ethiopia. UOW HDR Conference 2024, Wollongong— In person.
  4. Abdeta C, Cliff D, Kariippanon K, Deksisa A, Garoma S, Tesfaye D, Okely AD. Associations between 24‑hour movement behaviours and health in preschool‑aged children from a low‑income country: The SUNRISE Ethiopia Study.ASPA 2024 Conference, Perth — In person.
  5. Abdeta C, Cliff D, Kariippanon K, Deksisa A, Garoma S, Tesfaye D, Okely AD. Adherence to the WHO Guidelines and Associations with Socio‑demographic Factors: The SUNRISE Ethiopia Study. 10th International Society for Physical Activity and Health (ISPAH) Congress, France — Online.
  6. Abdeta C, Deksisa A, Tesfaye D, Hallal PC, et al. Ethiopia’s physical activity policy, research and surveillance deficits. 8th International Society for Physical Activity and Health (ISPAH) Congress — Online.
  7. Abdeta C, Deksisa A, Tesfaye D, Hailu M. Active Play Profile of School Children in Ethiopia: Results from Ethiopia’s 2022 Report Card. ASPA 2022 Conference — Online.
  8. Abdeta C. Physical Activity Research in Ethiopia. 9th International Society for Physical Activity and Health (ISPAH) Congress, Abu Dhabi — In person.

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