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This paper is in the following e-collection/theme issue:

Pilot studies (ehealth) (709) Mobile Health (mhealth) (5350) Digital Mental Health Interventions, e-Mental Health and Cyberpsychology (3427) Usability of Apps and User Perceptions of mHealth (1858) mHealth for Wellness, Behavior Change and Prevention (4368) Design and Formative Evaluation of Mobile Apps (1031) Anxiety and Stress Disorders (1674) Formative Evaluation of Digital Health Interventions (5498) JMIR Theme Issue: COVID-19 Special Issue (4240)

Published on in Vol 10 (2026)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/93453, first published .
User holds smartphone displaying HAPPY App with news and login sections.

Examining the Feasibility, Acceptability, and Preliminary Efficacy of a Health App for Postacute Pandemic Years in Managing Physical and Psychological Distress Symptoms: Pilot Quasi-Experimental Study

Examining the Feasibility, Acceptability, and Preliminary Efficacy of a Health App for Postacute Pandemic Years in Managing Physical and Psychological Distress Symptoms: Pilot Quasi-Experimental Study

Authors of this article:

Justina Yat Wa Liu1, 2, 3 Author Orcid Image ;   David Man4, 5 Author Orcid Image ;   Frank Ho Yin Lai5, 6 Author Orcid Image ;   Rina Wing Yan Wong1 Author Orcid Image ;   Pui Ying Mak1 Author Orcid Image ;   Lin Yang1 Author Orcid Image ;   Daphne Sze Ki Cheung1, 7, 8 Author Orcid Image ;   Rick Yiu Cho Kwan9 Author Orcid Image ;   Gabriel Ching Hang Fong10 Author Orcid Image ;   Teris Cheung1, 5 Author Orcid Image ;   Simon Ching Lam9 Author Orcid Image ;   Vincent To Yee Ng11 Author Orcid Image ;   David Ho Keung Shum2, 5, 10 Author Orcid Image
Article Authors Cited by Tweetations Metrics

Justina Yat Wa Liu   1, 2, 3 , PhD ;   David Man   4, 5 , PhD ;   Frank Ho Yin Lai   5, 6 , PhD ;   Rina Wing Yan Wong   1 , MBA ;   Pui Ying Mak   1 , BSc ;   Lin Yang   1 , PhD ;   Daphne Sze Ki Cheung   1, 7, 8 , PhD ;   Rick Yiu Cho Kwan   9 , PhD ;   Gabriel Ching Hang Fong   10 , PhD ;   Teris Cheung   1, 5 , PhD ;   Simon Ching Lam   9 , PhD ;   Vincent To Yee Ng   11 , PhD ;   David Ho Keung Shum   2, 5, 10 , PhD

1 School of Nursing, The Hong Kong Polytechnic University, Hong Kong, China (Hong Kong)

2 Research Institute for Smart Ageing, The Hong Kong Polytechnic University, Hong Kong, China (Hong Kong)

3 Research Center for Assistive Technology, The Hong Kong Polytechnic University, Hong Kong, China (Hong Kong)

4 President’s Office, Tung Wah College, Hong Kong, China (Hong Kong)

5 Mental Health Research Centre, The Hong Kong Polytechnic University, Hong Kong, China (Hong Kong)

6 Department of Social Work, Education and Community Wellbeing, Northumbria University, Newcastle, United Kingdom

7 School of Nursing and Midwifery, Deakin University, Melbourne, Australia

8 Alfred Health, Melbourne, Australia

9 School of Nursing, Tung Wah College, Hong Kong, China (Hong Kong)

10 Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hong Kong, China (Hong Kong)

11 University Research Facility in Big Data Analytics, The Hong Kong Polytechnic University, Hong Kong, China (Hong Kong)

Corresponding Author:

  • Simon Ching Lam, PhD
  • School of Nursing
  • Tung Wah College
  • 16/F, School of Nursing, Ma Kam Chan Memorial Building
  • 31 Wylie Road, Homantin, Kowloon
  • Hong Kong 00000
  • China (Hong Kong)
  • Phone: 852 3468 6854
  • Email: simonlam@twc.edu.hk