Mohammad Rezal Hamzah
Thumbnail Image
Preferred name
Mohammad Rezal Hamzah
Official Name
Hamzah, Mohammad Rezal
Alternative Name
Hamzah, Mohd Rezal
Hamzah, M. R
Hamzah, Mohammad Rezal
Main Affiliation
Scopus Author ID
57004523400
Researcher ID
AAZ-4229-2020

Research Output
Now showing 1 - 4 of 4
  • Publication
    Public knowledge, attitudes and practices towards COVID-19: a cross-sectional study in Malaysia
    (PLOS, 2020)
    Arina Anis Azlan
    ;
    Mohammad Rezal Hamzah
    ;
    Tham Jen Sern
    ;
    Suffian Hadi Ayub
    ;
    Emma Mohamad
  • Publication
    Relationship between COVID-19 information sources and attitudes in battling the pandemic among the Malaysian public: cross-sectional survey study
    (JMIR Publications, 2020-11)
    Emma Mohamad
    ;
    Jen Sern Tham
    ;
    Suffian Hadi Ayub
    ;
    Mohammad Rezal Hamzah
    ;
    Hasrul Hashim
    ;
    Arina Anis Azlan
    Background: There are multiple media platforms and various resources available for information on COVID-19. Identifying people’s preferences is key to building public confidence and planning for successful national health intervention strategies. Objective: This study examines the sources of information for COVID-19 used by the Malaysian public and identifies those that are associated with building public confidence and positive perceptions toward the Malaysian government. Methods: A cross-sectional online survey of 4850 Malaysian residents was conducted. Participant demographics, media use, information sources, and attitudes surrounding COVID-19 were assessed. Descriptive statistics and multiple logistic regression analyses were conducted to gauge the relationship between demographics, information sources, and attitudes toward COVID-19. Results: Malaysians primarily used television and internet news portals to access information on COVID-19. The Malaysian Ministry of Health was the most preferred source of COVID-19 information. Respondents who referred to the Ministry of Health, television, and the Malaysian National Security Council for information were more likely to believe that the country could win the battle against COVID-19 and that the government was handling the health crisis well compared to those who referred to other information sources. Those who used the World Health Organization, friends, YouTube, family, and radio as sources of information were less likely to harbor confidence and positive belief toward combating COVID-19. Conclusions: Managing information and sustaining public confidence is important during a pandemic. Health authorities should pay considerable attention to the use of appropriate media channels and sources to allow for more effective dissemination of critical information to the public.
  • Publication
    Attitudes toward Plasmodium knowlesi Malaria prevention behaviours among at-risk communities and health district officers’ efforts and challenges in promoting these behaviours: an elicitation study in Peninsular Malaysia
    (UKM Press, 2023)
    Arina Anis Azlan
    ;
    Hazwani Damanhuri
    ;
    Mohammad Rezal Hamzah
    ;
    Hafizah Pasi
    ;
    Emma Mohamad
    This study explores at-risk communities’ attitudes toward Plasmodium knowlesi (P. knowlesi) malaria prevention behaviours using the Integrated Behavioural Model (IBM) as a guiding framework. This study also presents efforts and challenges faced by district health officers in Peninsular Malaysia in their role as the health authority for mitigating the disease. Seventeen informants were selected from at-risk areas in three states with high cases of P. knowlesi in 2019 (Johor, Pahang, Kelantan) to be interviewed. Semistructured interview questions were developed guided by the IBM framework. Three district health officers who were involved in malaria prevention efforts in the selected states were also interviewed. Qualitative data analysis using Atlas.ti 8 software was used to facilitate thematic coding. Five prevention behaviours were found to be prevalent among the informants and are hypothesised to be suited for behavioural improvement intervention among at-risk communities. The prevention behaviours identified are: consuming prophylaxis, wearing long sleeves, using bed nets, mosquito coils and insect repellent. Current efforts by health district officers for P. knowlesi malaria prevention include erecting warning signs, community education programmes, and empowering community influencers. Challenges faced by the health district officers include difficulty accessing remote locations, limited facilities, and military-specific issues. This study suggests that future prevention efforts focused on behavioural improvement among atrisk communities in Malaysia should concentrate on the five prevention efforts most prevalent among these communities.
  • Publication
    Individual, host-vector interactions, and environmental risk factors for Plasmodium knowlesi malaria among at-risk communities in Peninsular Malaysia: a case-control study
    (Mary Ann Liebert Inc., 2025-03)
    Hafizah Pasi
    ;
    Emma Mohamad
    ;
    Arina Anis Azlan
    ;
    Mohammad Rezal Hamzah
    ;
    Mohd Rahim Sulong
    ;
    Affendi Isa
    ;
    Sivasangari Genapathy
    ;
    Hazwani Damanhuri
    Background: Highlighting the individual, host-vector interactions, and environmental risk factors for knowlesi malaria were consequential toward more focused and effective prevention and control strategies. This study aims to identify the individual, host-vector interactions, and environmental risk factors for Plasmodium knowlesi malaria among at-risk communities in Peninsular Malaysia. Materials and Methods: A case-control study was conducted involving laboratory-confirmed cases of P. knowlesi malaria, while a locality-matched individual with no history of fever and tested negative for malaria was taken as control. Univariate and multiple logistic regression were applied to evaluate the potential risk factors among respondents using IBM SPSS Statistics for Windows, Version 26.0. Results: Results showed higher cases among males as compared to females (76.1% vs. 23.9%). Multiple logistic regression analysis showed being male is 3.51 higher risk (p < 0.001) to become a case. Respondents whose place of work or study is near the forest edge have 44.0% lower risk (p = 0.030), while those living in the Orang Asli village were 56.0% lower risk as compared to the organized village to become a case (p = 0.035). Conclusion: These findings demonstrated that gender emerges as an independent individual risk factor while residing near a forest edge, in an Orang Asli village, or occupying workers’ longhouses situated in hilly areas lowered the environmental risk among respondents. These findings attested that alternative directions must be considered in addressing the known risk factors associated with this type of malaria and the design of prevention and control programs should be tailored to the unique characteristics of each population.