John Powell - Publications, H-index & Citations

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John Powell

university of oxford

58H-index

505Paper Count

1.5WCitation Count

Published Papers 70

Publication Date

Strength of Evidence to Support Decision-Making on the Use of Digital Mental Health Technologies in NICE Evaluations: Cross-Sectional Analysis of Studies

JMIR Mental Health

IF5.8

2026-01-01

PREAI

Hopkin, Gareth; Coole, Holly; Edelmann, Francesca; Powell, John; Salmon, Mark; Cooper, Sophie

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Implications of digital fertility tracking for clinical care: a qualitative systematic review

Reproductive Health

IF3.4

2025-10-07

OAAI

Kathryn Sheridan Clay; Tori Ford; Rosa Mackay; Sabrina Keating; Sue Ziebland; John Powell

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“In Their Own Words”: A Qualitative Exploration of Lived Experience and Healthcare Professional Perspectives on Evaluating a Digital Intervention for Binge Eating

International Journal of Eating Disorders

IF4.3

2025-09-01

OAAI

Rebecca Murphy; Emma L. Osborne; Nikki Newhouse; John Powell

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Algorithms, allyship, and advice: A qualitative analysis of fertility tracker marketing

lancet digital health

IF3.3

2025-08-10

OAAI

Kate Sheridan Clay; Sue Ziebland; John Powell

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Qualitative evaluation of the implementation and national roll-out of the NHS App in England

BMC MEDICINE

IF8.3

2025-01-21

OAAI

Reidy, Claire; Papoutsi, Chrysanthi; Sukriti, K. C.; Gudgin, Bernard; Laverty, Anthony A.; Greaves, Felix; Powell, John

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Differences in Use of a Patient Portal Across Sociodemographic Groups :Observational Study of the NHS App in England

JOURNAL OF MEDICAL INTERNET RESEARCH

IF6

2024-11-13

OAAI

Sukriti, K. C.; Papoutsi, Chrysanthi; Reidy, Claire; Gudgin, Bernard; Powell, John; Majeed, Azeem; Greaves, Felix; Laverty, Anthony A.

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The impact of social media influencers on health outcomes: Systematic review

SOCIAL SCIENCE & MEDICINE

IF5

2024-01-01

OAAI

Powell, John; Pring, Tabitha

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Digital Health Technology for Real-World Clinical Outcome Measurement Using Patient-Generated Data: Systematic Scoping Review

JOURNAL OF MEDICAL INTERNET RESEARCH

IF6

2023-10-11

OAAI

Pyper, Evelyn; Mckeown, Sarah; Hartmann-Boyce, Jamie; Powell, John

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Adoption and Use of the NHS App in England: a mixed-methods evaluation

BRITISH JOURNAL OF GENERAL PRACTICE

IF5.2

2023-07-21

OAAI

Sukriti, K. C.; Reidy, Claire; Laverty, Anthony A.; Papoutsi, Chrysanthi; Powell, John; Tewolde, Salina; Costelloe, Ceire; Gudgin, Bernard; Greaves, Felix

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Uptake and adoption of the NHS App in England: an observational study

BRITISH JOURNAL OF GENERAL PRACTICE

IF5.2

2023-06-06

OAAI

Sukriti, K. C.; Tewolde, Salina; Laverty, Anthony A.; Costelloe, Ceire; Papoutsi, Chrysanthi; Reidy, Claire; Gudgin, Bernard; Shenton, Craig; Majeed, Azeem; Powell, John; Greaves, Felix

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Unintended consequences of patient online access to health records: a qualitative study in UK primary care

BRITISH JOURNAL OF GENERAL PRACTICE

IF5.2

2022-09-05

OAAI

Turner, Andrew; Morris, Rebecca; McDonagh, Lorraine; Hamilton, Fiona; Blake, Sarah; Farr, Michelle; Stevenson, Fiona; Banks, Jon; Atherton, Helen; Rakhra, Dylan; Lasseter, Gemma; Feder, Gene; Ziebland, Sue; Hyde, Emma; Powell, John; Horwood, Jeremy

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International alliance and AGREE-ment of 71 clinical practice guidelines on the management of critical care patients with COVID-19: a living systematic review

JOURNAL OF CLINICAL EPIDEMIOLOGY

IF5.2

2022-02-01

OAAI

Amer, Yasser S.; Titi, Maher A.; Godah, Mohammad W.; Wahabi, Hayfaa A.; Hneiny, Layal; Abouelkheir, Manal Mohamed; Hamad, Muddathir H.; ElGohary, Ghada Metwally; Ben Hamouda, Mohamed; Ouertatani, Hella; Velasquez-Salazar, Pamela; Acosta-Reyes, Jorge; Alhabib, Samia M.; Esmaeil, Samia Ahmed; Fedorowicz, Zbys; Zhang, Ailing; Chen, Zhe; Liptrott, Sarah Jayne; Frungillo, Niccolo; Jamal, Amr A.; Almustanyir, Sami A.; Dieyi, Newman Ugochukwu; Powell, John; Hon, Katrina J.; Alzeidan, Rasmieh; Azzo, Majduldeen; Zambrano-Rico, Sara; Ramirez-Jaramillo, Paulina; Florez, Ivan D.

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Power, paradox and pessimism: On the unintended consequences of digital health technologies in primary care

SOCIAL SCIENCE & MEDICINE

IF5

2021-11-01

OAAI

Ziebland, Sue; Hyde, Emma; Powell, John

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Unintended consequences of online consultations: a qualitative study in UK primary care

BRITISH JOURNAL OF GENERAL PRACTICE

IF5.2

2021-10-20

OAAI

Turner, Andrew; Morris, Rebecca; Rakhra, Dylan; Stevenson, Fiona; McDonagh, Lorraine; Hamilton, Fiona; Atherton, Helen; Farr, Michelle; Blake, Sarah; Banks, Jon; Lasseter, Gemma; Ziebland, Sue; Hyde, Emma; Powell, John; Horwood, Jeremy

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Caring for care: Online feedback in the context of public healthcare services

SOCIAL SCIENCE & MEDICINE

IF5

2021-09-01

OAAI

Mazanderani, Fadhila; Kirkpatrick, Susan F.; Ziebland, Sue; Locock, Louise; Powell, John

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The Law and Significance of Plessy

RSF-THE RUSSELL SAGE JOURNAL OF THE SOCIAL SCIENCES

IF3.9

2021-01-01

OAAI

Powell, John A.

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Introduction to the Issue

RSF-THE RUSSELL SAGE JOURNAL OF THE SOCIAL SCIENCES

IF3.9

2021-01-01

OAAI

Powell, John A.; Myers, Samuel L., Jr.; Gooden, Susan T.

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The Mobile Health App Trustworthiness Checklist: Usability Assessment

JMIR MHEALTH AND UHEALTH

IF6.2

2020-07-21

OAAI

van Haasteren, Afua; Vayena, Effy; Powell, John

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What is the clinical value of mHealth for patients?

NPJ DIGITAL MEDICINE

IF15.1

2020-01-13

216

OAAI

Rowland, Simon P.; Fitzgerald, J. Edward; Holme, Thomas; Powell, John; McGregor, Alison

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Effectiveness and Cost-Effectiveness of a Self-Guided Internet Intervention for Social Anxiety Symptoms in a General Population Sample: Randomized Controlled Trial

JOURNAL OF MEDICAL INTERNET RESEARCH

IF6

2020-01-10

OAAI

Powell, John; Williams, Veronika; Atherton, Helen; Bennett, Kylie; Yang, Yaling; Davoudianfar, Mina; Hellsing, Annika; Martin, Angela; Mollison, Jill; Shanyinde, Milensu; Yu, Ly-Mee; Griffiths, Kathleen M.

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Research Directions