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  1. Leong KH, Abdul-Rahman H, Wang C, Onn CC, Loo SC
    PLoS One, 2016;11(12):e0166064.
    PMID: 27930659 DOI: 10.1371/journal.pone.0166064
    Railway and metro transport systems (RS) are becoming one of the popular choices of transportation among people, especially those who live in urban cities. Urbanization and increasing population due to rapid development of economy in many cities are leading to a bigger demand for urban rail transit. Despite being a popular variant of Traveling Salesman Problem (TSP), it appears that the universal formula or techniques to solve the problem are yet to be found. This paper aims to develop an optimization algorithm for optimum route selection to multiple destinations in RS before returning to the starting point. Bee foraging behaviour is examined to generate a reliable algorithm in railway TSP. The algorithm is then verified by comparing the results with the exact solutions in 10 test cases, and a numerical case study is designed to demonstrate the application with large size sample. It is tested to be efficient and effective in railway route planning as the tour can be completed within a certain period of time by using minimal resources. The findings further support the reliability of the algorithm and capability to solve the problems with different complexity. This algorithm can be used as a method to assist business practitioners making better decision in route planning.
  2. Ting CY, Loo SC, Ting H, Ang WC, Jabar AHAA
    Ther Innov Regul Sci, 2017 Jul;51(4):439-445.
    PMID: 30227047 DOI: 10.1177/2168479017699531
    BACKGROUND: Compliance of community pharmacists (CPs) and private general medical practitioners (GPs) with Malaysian Laws on Poisons and Sale of Drugs is crucial in encouraging rational supply of medicine to patients that will subsequently lead to rational use of medicine, especially controlled medicine and psychotropic substances. This study aims to identify the trend of yearly compliance rate of both CPs and GPs with the Malaysian Laws on Poisons and Sale of Drugs, and to quantify the effectiveness of disciplinary actions in improving their compliance level.

    METHODS: This is a retrospective observation study from the Sarawak state Pharmaceutical Enforcement Division (PED) inspection reports on CPs and GPs from January 1, 2012, to December 31, 2014. Descriptive statistics in numbers and percentages are used to present the results.

    RESULTS: From years 2012 to 2014, the compliance rate of GPs increased from 34% to 51%, while the compliance rate of CPs remained almost constant, with a slight drop from 53% (2012) to 50% (2014). The most common noncompliance found among CPs is with the Poison Acts 1952 Section 26 Condition 2: "Records for the supply of preparations containing Pseudoephedrine, Ephedrine and Dextromethorphan," and among GPs, it is the Regulation 12 of Poisons Regulation 1952: "labeling of dispensed medicines." Warning letter is the most effective disciplinary action for both CPs (75% improvement) and GPs (67.8% improvement).

    CONCLUSION: This study serves as a baseline that provides valuable insights to policy makers, researchers, and other stakeholders in developing better enforcement strategies.

  3. Loo SC, Said LN, Nakaswaram L, Hui LY, Ming YE, Talin BAA
    Curr Drug Saf, 2021 Oct 06.
    PMID: 34620068 DOI: 10.2174/1574886316666211006113948
    BACKGROUND: Compliance towards the requirements of labelling of dispensed medicine (LDM) among private primary health care facilities ensures appropriate use of medicines.

    AIM: This study aimed to examine the rate of compliance towards the requirements of LDM among retail pharmacies (RPs) and private medical clinics (PMCs).

    METHODS: A cross-sectional study was conducted from April 2019 to January 2020 across all inspected premises in Sarawak. Publics who attended RPs and PMCs and having medicines dispensed, have their medicine labels examined for compliance towards the requirements of LDM upon exiting the premises. Their verbal consents were obtained and the compliance score were recorded into self-developed data collection forms. Compliance rate was the percentage of requirements on the examined medicine labels that fulfil the requirements under Regulation 12 of Poisons Regulations 1952.

    RESULTS: A total of 414 LDM were examined, with 135 from RPs and 279 from PMCs. The full compliance towards the requirements of LDM among RPs and PMCs were 23.7% and 41.6%, respectively. The median compliance score of PMCs (0.83) was significantly higher (P<0.001) than RPs (0.67). The requirements of LDM with the lowest compliance was name of medicine (53.1%), followed by name of patient (31.9%) and date of dispensing (25.6%).

    CONCLUSION: The full compliance rate on the requirements of LDM among RPs and PMCs were low. More stringent enforcement and public education on their rights for fully compliant medicine labels could improve the compliance.

  4. Loo SC, Ting CY, Said LN, Mohamad NB, Abd Jabar AHAB
    Int J Occup Saf Ergon, 2024 Mar 26.
    PMID: 38528840 DOI: 10.1080/10803548.2024.2327221
    Objectives. Studies have highlighted that healthcare workers are exposed to various forms of psychological distress. This study aimed to assess the psychological well-being of pharmacy staff during the COVID-19 pandemic and the associating factors. Methods. The cross-sectional study explored the psychological well-being of pharmacy staff during the COVID-19 pandemic. An adopted questionnaire was employed to collect quantitative data from January 1, 2021 to June 30, 2021. Results. A total of 515 respondents were recruited. Those who perceived good health status were 1.9 times more likely to have normal depression scores (relative risk ratio [RRR] = 0.53; B = -0.64), and 2.4 times (RRR = 0.41; B = -0.88) more likely to have normal stress scores. Those who were greatly affected by COVID-19 in their work were found to be 1.2 times (RRR = 1.20; B = 0.18) more likely to have moderate anxiety scores and 1.44 times (RRR = 1.44; B = 0.36) more likely to have severe depression scores. Respondents with higher work characteristic scores were more likely to have normal depression, stress and anxiety scores. Conclusions. Good health status perception and work characteristics appeared to be the factors affecting respondents' scores in all dimensions of psychological well-being. Hence, improving both domains will be key in improving overall psychological well-being.
  5. Ting CY, Adruce SAZ, Hassali MA, Ting H, Lim CJ, Ting RS, et al.
    Trials, 2019 05 10;20(1):267.
    PMID: 31077233 DOI: 10.1186/s13063-019-3348-x
    After publication of the original article [1], the authors have notified us that there are changes to the primary outcome of the study, instrument, subject's inclusion criteria, the funding and acknowledgements. These changes were made during the recruitment of participants and after approved by the Medical Research and Ethics Committee (MREC), National Institutes of Health Malaysia, on 16th November 2018.
  6. Abd Karim SB, Norman S, Koting S, Simarani K, Loo SC, Mohd Rahim FA, et al.
    Materials (Basel), 2023 Aug 08;16(16).
    PMID: 37629806 DOI: 10.3390/ma16165515
    The rapid economic and industrial growth experienced in the Asian region has significantly increased waste production, particularly single-use plastic. This surge in waste poses a significant challenge for these countries' municipal solid waste management systems. Consequently, there is a pressing need for progressive and effective solutions to address the plastic waste issue. One promising initiative involves utilizing used plastic to produce components for asphalt pavement. The concept of plastic road technology has gained traction in Asia, with 32 countries displaying varying levels of interest, ranging from small-scale laboratory experiments to large-scale construction projects. However, as a relatively new technology, plastic road implementation requires continuous and comprehensive environmental and health risk assessments to ascertain its viability as a reliable green technology. This review paper presents the current findings and potential implementation of plastic-modified asphalt in Asian countries, with particular attention given to its environmental and human health impacts. While plastic asphalt roads hold promise in waste reduction, improved asphalt properties, and cost savings, it is imperative to thoroughly consider the environmental and health impacts, quality control measures, recycling limitations, and long-term performance of this road construction material. Further research and evaluation are needed to fully understand the viability and sustainability of plastic asphalt roads. This will enable a comprehensive assessment of its potential benefits and drawbacks, aiding in developing robust guidelines and standards for its implementation. By addressing these considerations, it will be possible to optimize the utilization of plastic waste in road construction and contribute to a greener and more sustainable future.
  7. Ting CY, Ahmad Zaidi Adruce S, Hassali MA, Ting H, Lim CJ, Ting RS, et al.
    Trials, 2018 Jun 05;19(1):310.
    PMID: 29871651 DOI: 10.1186/s13063-018-2649-9
    BACKGROUND: Amidst the high disease burden, non-adherence to medications among patients with type 2 diabetes mellitus (T2DM) has been reported to be common and devastating. Sarawak Pharmaceutical Services Division has formulated a pharmacist-led, multiple-theoretical-grounding, culturally sensitive and structured group-based program, namely "Know Your Medicine - Take if for Health" (MEDIHEALTH), to improve medication adherence among Malay patients with T2DM. However, to date, little is known about the effectiveness and sustainability of the Program.

    METHODS/DESIGN: This is a prospective, parallel-design, two-treatment-group randomized controlled trial to evaluate the effectiveness and sustainability of MEDIHEALTH in improving medication adherence. Malay patients who have underlying T2DM, who obtain medication therapy at Petra Jaya Health Clinic and Kota Samarahan Health Clinic, and who have a moderate to low adherence level (8-item Morisky Medication Adherence Scale, Malaysian specific, score <6) were randomly assigned to the treatment group (MEDIHEALTH) or the control group. The primary outcome of this study is medication adherence level at baseline and 1, 3, 6 and 12 months post-intervention. The secondary outcomes are attitude, subjective norms, perceived behavioural control, intention and knowledge related to medication adherence measured at baseline and 1, 6 and 12 months post-intervention. The effectiveness and sustainability of the Program will be triangulated by findings from semi-structured interviews with five selected participants conducted 1 month after the intervention and in-depth interviews with two main facilitators and two managerial officers in charge of the Program 12 months after the intervention. Statistical analyses of quantitative data were conducted using SPSS version 22 and Stata version 14. Thematic analysis for qualitative data were conducted with the assistance of ATLAS.ti 8.

    DISCUSSION: This study provides evidence on the effectiveness and sustainability of a structured group-based educational program that employs multiple theoretical grounding and a culturally sensitive approach in promoting medication adherence among Malays with underlying T2DM. Both the quantitative and qualitative findings of this study could assist in the future development of the Program.

    TRIAL REGISTRATION: National Medical Research Register, NMRR-17-925-35875 (IIR). Registered on 19 May 2017. ClinicalTrials.gov, NCT03228706 . Registered on 25 July 2017.

  8. Ting CY, Ahmad Zaidi Adruce S, Lim CJ, Abd Jabar AHA, Ting RS, Ting H, et al.
    Res Social Adm Pharm, 2021 02;17(2):344-355.
    PMID: 32327398 DOI: 10.1016/j.sapharm.2020.03.026
    BACKGROUND: A pharmacist-led structured group-based intervention (MEDIHEALTH) was formulated to improve medication adherence among Malay type 2 diabetes mellitus (T2DM) patients in the Malaysian state of Sarawak.

    OBJECTIVES: The objective of this study was to examine the effectiveness of MEDIHEALTH and its mechanism of impact for improving medication adherence and the glycated haemoglobin (HbA1c) level.

    METHODS: A two group and parallel randomised controlled trial with a twelve months follow-up period was conducted at two primary health clinics in Malaysia that were surrounded by Malay communities. Malay T2DM patients whose HbA1c was >7% and total score on the Self-Efficacy for Appropriate Medication Use Scale (SEAMS) was <26 were recruited and parallelly randomised to the MEDIHEALTH or usual care (control) groups. The extended theory of planned behaviour was employed to test the mechanism of impact. Repeated measure analysis of variance was used to assess the difference in the estimated marginal mean of the SEAMS scores and HbA1c level between the intervention and control groups at different times.

    RESULTS: A total of 142 participants were recruited and randomised; three from the intervention group and eight from the control group withdrew before receiving any treatment. Hence, 68 participants in the intervention group and 63 in the control group were included for analyses. The MEDIHEALTH group had a significantly greater increase in the SEAMS score compared to the control group (p 
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