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  1. Hss AS, Tan PS, Hashim L
    Int J Inj Contr Saf Promot, 2014;21(1):75-80.
    PMID: 23651461 DOI: 10.1080/17457300.2013.792284
    This study aimed to collate data on childhood drowning in Malaysia and review existing drowning prevention measures. This study used secondary data from governmental and non-governmental agencies. All reported fatal drownings from 2000 to 2007 and all reported non-fatal drownings from 2000 to 2008 were included. Data were analysed to provide understanding of the epidemiology of drowning incidents, risk factors and available preventive efforts. On average 286 (range 248-344) children died yearly due to drowning with a death rate of 3.05 per 100,000 annually. An additional average of 207 children drowned but survived annually (1.99 per 100,000). The estimated burden of drowning in children (death and non-death) is 5 per 100,000. There was no reduction in annual drowning fatalities over time. Most drowning took place in east coast regions during the annual monsoon season. It was 3.52 (2.80-4.41) times more common in boys and most prevalent among 10-14 years. Most prevalent sites of all-age drowning were seas and rivers. Limited water safety regulations are currently available in the country. This is the first comprehensive national study in Malaysia on paediatric drowning and highlights the magnitude of the problem. It calls for concerted effort to devise effective national drowning prevention measures.
  2. George D, Hassali MA, Hss AS
    JMIR Hum Factors, 2018 Dec 21;5(4):e12232.
    PMID: 30578216 DOI: 10.2196/12232
    BACKGROUND: Reporting of medication errors is one of the essential mechanisms to identify risky health care systems and practices that lead to medication errors. Unreported medication errors are a real issue; one of the identified causes is a burdensome medication error reporting system. An anonymous and user-friendly mobile app for reporting medication errors could be an alternative method of reporting medication error in busy health care settings.

    OBJECTIVE: The objective of this paper is to report usability testing of the Medication Error Reporting App (MERA), a mobile app for reporting medication errors anonymously.

    METHODS: Quantitative and qualitative methods were employed involving 45 different testers (pharmacists, doctors, and nurses) from a large tertiary hospital in Malaysia. Quantitative data was retrieved using task performance and rating of MERA and qualitative data were retrieved through focus group discussions. Three sessions, with 15 testers each session, were conducted from January to March 2018.

    RESULTS: The majority of testers were pharmacists (23/45, 51%), female (35/45, 78%), and the mean age was 36 (SD 9) years. A total of 135 complete reports were successfully submitted by the testers (three reports per tester) and 79.2% (107/135) of the reports were correct. There was significant improvement in mean System Usability Scale scores in each session of the development process (P

  3. George D, Hss AS, Hassali A
    Cureus, 2018 Jun 05;10(6):e2746.
    PMID: 30087822 DOI: 10.7759/cureus.2746
    Background and objectives In Malaysia, the national voluntary non-punitive Medication Error Reporting System (MER-S) has been available since 2009, with compiled reports indicating the underreporting of various medication errors (ME). This survey intends to determine the ME reporting practice among healthcare professionals and the acceptance of ME reporting by utilising smartphone application if it is available. Design A cross-sectional survey was conducted for two months in 2017 among doctors and pharmacists in publicly funded healthcare facilities in Perak, Malaysia. The survey was distributed through various professional WhatsApp chat groups, and reminders were sent twice to the respondents. Results A total of 334 doctors and pharmacists responded to the survey; the majority were pharmacists (61.7%) with a median age (in years) of 32 (interquartile range (IQR) 29-36) and work experience (in years) of 7.5 years (IQR 5-11). The rate of respondents being aware of the MER-S and having encountered ME at the workplace was high, at 73.4% and 96.1%, respectively. However, only 44.8% reported using the system. The reason hindering them from reporting ME was primarily being in a busy and hectic work environment. Pharmacists were more likely to report ME compared to doctors (adjusted odds ratio (adj OR) 10.51; 95% Confidence interval (CI): 5.34, 20.6), especially pharmacists who had frequent encounters with ME at work (adj OR 2.84; 95% CI: 1.70, 4.81) and who perceived that ME can be handled well (adj OR 3.52; 95% CI: 1.93, 6.44). They were more likely to report ME. A majority (90.7%) had downloaded one or more digital medical applications to aid their work. The speed of Internet connectivity at the workplace was rated as "fast" or "good" among 136 (40.7%) respondents but among 130 (38.9%), it was "average." The percentage of doctors and pharmacists that would report ME by utilising a smartphone application was 86.5% if one is available, and they preferred an application with a user-friendly interface, anonymity, and limited data-entry requirements. Conclusion Doctors and pharmacists were aware of MER-S and willing to report when they encountered ME. However, less than half of the respondents had used the system. With the primary concern of ME underreporting in a busy and hectic work environment, an alternative smartphone ME reporting application can be developed to complement the current MER-S considering that the respondents had positive responses to this method.
  4. Linus-Lojikip S, Subramaniam V, Lim WY, Hss AS
    Complement Ther Clin Pract, 2019 Sep 06;37:73-85.
    PMID: 31521007 DOI: 10.1016/j.ctcp.2019.09.001
    BACKGROUND: This case series describes the survival outcomes of patients who underwent integrative medicine (IM) protocol for ovarian cancer, a treatment protocol, that integrated a carefully selected set of complementary and alternative medicine (CAM) into the conventional treatment for ovarian cancers.

    MATERIALS AND METHODS: Retrospective review of patients' medical records was conducted at a private medical centre that delivered the IM protocol for patients with advanced and recurrent ovarian cancers. We explored and analysed the overall survival and disease progressions of those who received the IM treatment for at least 2 months.

    RESULTS: Forty patients with advanced ovarian cancers fulfilled the inclusion criteria for this case series. An overall of 75% of the cases achieved remission with initial IM treatment, 17.5% had a partial response and 7.5% showed progressive disease. The overall 5-year survival for all 40 cases is 53.1%. When explored further, the 5-year survival for cases who received CAM only is 75%, and cases who received combined limited chemotherapy with CAM had a 5-year survival of 55%. At study endpoint, 11 cases died due to ovarian cancer.

    CONCLUSION: These findings suggest that CAM may be a valuable addition to conventional therapy to treat and improve the survival of patients with ovarian cancers. A formal randomized control trial is required to evaluate the efficacy and long-term outcomes of using IM to treat advanced and recurrent ovarian cancers.

  5. Chew CC, Hss AS, Chan HK, Hassali MA
    Hosp Pharm, 2020 Dec;55(6):405-411.
    PMID: 33245714 DOI: 10.1177/0018578719851719
    Introduction: Medication errors are more likely to occur in chronically ill children, who are highly dependent on caregivers for medication administration. This study aimed to explore the issues related to medication safety among pediatric outpatients in Malaysia from the caregivers' perspective. Methods: This was a qualitative study conducted between May and June 2018 at a pediatric clinic of a regional referral hospital. Caregivers of children who (1) were under 6 years of age and (2) had hypothyroidism, epilepsy, thalassemia, asthma, or other chronic diseases were recruited via purposive sampling. Each selected disease was represented by at least 3 caregivers, who were identified from the medical records of their children. Face-to-face interviews were conducted with each of them, facilitated by a semi-structured interview guide. All the interviews were audio-recorded, transcribed verbatim, and analyzed using the thematic analysis approach. Results: A total of 15 mothers with a median age of 34 years were interviewed. Three themes emerged from the interviews: (I) actual experiences with medication errors, (II) underlying risk factors for medication errors, and (III) recommendations to improve medication safety. Several cases of administration errors, including missed doses and self-decided dose adjustment, were detected. Furthermore, the caregivers were found to have inadequate understanding of the medications in general. Conclusions: While children were shown to be consistently exposed to medication errors at home in Malaysia, the recommendations of the caregivers, including the use of written instructions and a diary, could be effective strategies to improve the out-of-hospital medication safety in children.
  6. Keat-Chuan Ng C, Linus-Lojikip S, Mohamed K, Hss AS
    Int J Med Inform, 2023 Sep;177:105162.
    PMID: 37549500 DOI: 10.1016/j.ijmedinf.2023.105162
    BACKGROUND: Dengue is widespread globally, but it is more severe in hyperendemic regions where the virus, its vectors, and its human hosts naturally occur. The problem is particularly acute in cities, where outbreaks affect a large human population living in a wide array of socio-environmental conditions. Controlling outbreaks will rely largely on systematic data collection and analysis approaches to uncover nuances on a city-by-city basis due to the diversity of factors.

    OBJECTIVE: The main objective of this study is to consolidate and analyse the dengue case dataset amassed by the e-Dengue web-based information system, developed by the Ministry of Health Malaysia, to improve our epidemiological understanding.

    METHODS: We retrieved data from the e-Dengue system and integrated a total of 18,812 cases from 2012 to 2019 (8 years) with meteorological data, geoinformatics techniques, and socio-environmental observations to identify plausible factors that could have caused dengue outbreaks in Ipoh, a hyperendemic city in Malaysia.

    RESULTS: The rainfall trend characterised by a linearity of R2 > 0.99, termed the "wet-dry steps", may be the unifying factor for triggering dengue outbreaks, though it is still a hypothesis that needs further validation. Successful mapping of the dengue "reservoir" contact zones and spill-over diffusion revealed socio-environmental factors that may be controlled through preventive measures. Age is another factor to consider, as the platelet and white blood cell counts in the "below 5" age group are much greater than in other age groups.

    CONCLUSIONS: Our work demonstrates the novelty of the e-Dengue system, which can identify outbreak factors at high resolution when integrated with non-medical fields. Besides dengue, the techniques and insights laid out in this paper are valuable, at large, for advancing control strategies for other mosquito-borne diseases such as malaria, chikungunya, and zika in other hyperendemic cities elsewhere globally.

  7. Hss AS, Koh MT, Tan KK, Chan LG, Zhou L, Bouckenooghe A, et al.
    Vaccine, 2013 Dec 2;31(49):5814-21.
    PMID: 24135573 DOI: 10.1016/j.vaccine.2013.10.013
    Dengue disease is a major public health problem across the Asia-Pacific region for which there is no licensed vaccine or treatment. We evaluated the safety and immunogenicity of Phase III lots of a candidate vaccine (CYD-TDV) in children in Malaysia.
  8. Hss AS, Linus-Lojikip S, Ismail Z, Ishahar NH, Yusof SS
    BMC Res Notes, 2015;8:660.
    PMID: 26553069 DOI: 10.1186/s13104-015-1653-3
    There is a shift of practice towards administering sedation in neonates around the world. At the present moment, there is no available data or literature on the practice of sedation before intubation of neonates in Malaysia thus, evaluation of these practice was not possible. This study was conducted to evaluate neonatal preintubation sedation practice and the availability of neonatal preintubation sedation policy in government, university and private Malaysian Neonatal Intensive Care Units (NICUs) in 2007.
  9. Chang CT, Hassali MA, Hss AS, Lee JCY, Chan HK
    Int J Pharm Pract, 2019 Dec;27(6):555-564.
    PMID: 31294496 DOI: 10.1111/ijpp.12559
    OBJECTIVES: To explore the perceived motivators, training supports and challenges to career advancement among fully and provisionally registered pharmacists (FRPs and PRPs) in the Malaysian public service.

    METHODS: Nine hundred and fifty-three pharmacists in the public service of Perak State, Malaysia, were invited for participation in an online survey that was conducted in October 2018. Based on a 5-point Likert scale, they were required to respond to 56 items, ranging from the perceived availability and importance of both motivators and training supports, the challenges to career advancement, to the awareness of the need for career planning. Their responses were subsequently dichotomized into 'agree'/'important' and 'disagree'/'not important'.

    KEY FINDINGS: Four hundred and eighty pharmacists participated in the survey, yielding a response rate of 51.2%. More than half of them agreed with the inflexibility of working time and the absence of a performance-based salary and promotion scheme. More than 80% of them also highly valued the training in both pharmacy-related areas and management. Apart from inadequate training, no specialization in pharmacy as a profession and the absence of a performance-based promotion scheme were identified as the major challenges to their career advancement. As compared with the PRPs, the FRPs had greater concern over the absence of a performance-based salary and promotion scheme, flexible working time and periodic feedback for their work performance.

    CONCLUSIONS: The findings indicate the inadequacy of the current system in providing recognition, training, feedback for work performance and a clear career pathway to pharmacists in the Malaysian public service, which warrants a change.

  10. George D, Supramaniam ND, Hamid SQA, Hassali MA, Lim WY, Hss AS
    Pharm Pract (Granada), 2019 08 21;17(3):1501.
    PMID: 31592290 DOI: 10.18549/PharmPract.2019.3.1501
    Background: Patients requiring medications during discharge are at risk of discharge medication errors that potentially cause readmission due to medication-related events.

    Objective: The objective of this study was to develop interventions to reduce percentage of patients with one or more medication errors during discharge.

    Methods: A pharmacist-led quality improvement (QI) program over 6 months was conducted in medical wards at a tertiary public hospital. Percentage of patients discharge with one or more medication errors was reviewed in the pre-intervention and four main improvements were developed: increase the ratio of pharmacist to patient, prioritize discharge prescription order within office hours, complete discharge medication reconciliation by ward pharmacist, set up a Centralized Discharge Medication Pre-packing Unit. Percentage of patients with one or more medication errors in both pre- and post-intervention phase were monitored using process control chart.

    Results: With the implementation of the QI program, the percentage of patients with one or more medication errors during discharge that were corrected by pharmacists significantly increased from 77.6% to 95.9% (p<0.001). Percentage of patients with one or more clinically significant error was similar in both pre and post-QI with an average of 24.8%.

    Conclusions: Increasing ratio of pharmacist to patient to complete discharge medication reconciliation during discharge significantly recorded a reduction in the percentage of patients with one or more medication errors.

  11. Chew CC, Chan HK, Chang CT, Hss AS, Hassali MA
    BMC Pediatr, 2021 05 03;21(1):216.
    PMID: 33941117 DOI: 10.1186/s12887-021-02691-3
    BACKGROUND: Caregivers' knowledge, practice and adherence in medication administration who care for children with chronic illness requiring long-term pharmacological treatments are factors associating with children medication safety at home. This study aimed to determine the medication-related knowledge, administration practice and adherence among caregivers of chronically ill children in Malaysia. This cross-sectional study was conducted at the paediatric outpatient clinic of a tertiary public hospital. Caregivers of chronically ill children, who engaged in medication administration at home for at least 3 months, were conveniently recruited. Their medication-related knowledge and administration practice were evaluated based on a checklist, while their adherence to medication administration was assessed using a validated 5-point scale. The associated factors were also explored.

    RESULTS: Of the 141 participants, most were mothers (90.8%) and had a full-time job (55.3%). Most of them had adequate medication-related knowledge (71.6%) and an appropriate administration practice (83.0%). The majority of them (83.0%) also rated themselves as adherent to medication administration. The participants with a child above 5 years of age (91.2%) were found to have a better practice than those with younger children (75.3%) in medication administration (p = 0.012). However, those with a child taking two (adjusted OR: 12.53) or three (adjusted OR: 8.29) medications, getting their refills from private health institutions apart from this hospital (adjusted OR = 7.06) and having multiple illnesses (adjusted OR = 21.25) were more likely to be not adherent to medication administration.

    CONCLUSION: Caregivers of chronically ill children in Malaysia generally have sufficient knowledge and an appropriate practice of medication administration at home. Yet, strategies to improve the adherence to medication administration, particularly in those who care for children with complicated health conditions, are warranted.

  12. Chang CT, Shunmugam P, Abdul Aziz NA, Abdul Razak NS, Johari N, Mohamad N, et al.
    J Paediatr Child Health, 2020 Mar;56(3):426-431.
    PMID: 31654469 DOI: 10.1111/jpc.14646
    AIM: Bed sharing is defined as a newborn sleeping in the same bed with an adult. Bed sharing may put the newborn at risk of suffocation due to accidental smothering.

    METHODS: This was a quasi-experimental study conducted in a tertiary referral hospital. Healthy post-delivery Malaysian mothers were randomly selected and enrolled into the control or the intervention group. On the day of discharge, mothers in the intervention group were interviewed face-to-face in the post-natal ward on their plans for sleeping arrangement with their newborn. After the interview, mothers were advised not to bed share with their newborn and were given an educational leaflet on safe sleeping practices. One week after discharge, mothers in both groups were interviewed over the telephone regarding their actual sleeping arrangements with their newborn using the same questionnaire. Logistic regression was performed to determine factors associated with reduced bed sharing.

    RESULTS: A total of 94 mothers and 95 mothers were recruited to the control and intervention group, respectively. The baseline bed-sharing prevalence was similar between groups: 60.6% in the control group and 61.1% in the interventional group. The proportion of mothers who bed shared with their newborn reduced from 61.1 to 37.9% after the intervention (P 

  13. Lim WY, Hss AS, Ng LM, John Jasudass SR, Sararaks S, Vengadasalam P, et al.
    BMC Fam Pract, 2018 07 19;19(1):120.
    PMID: 30025534 DOI: 10.1186/s12875-018-0808-4
    BACKGROUND: To evaluate the effectiveness of a structured prescription review and prescriber feedback program in reducing prescribing errors in government primary care clinics within an administrative region in Malaysia.

    METHODS: This was a three group, pragmatic, cluster randomised trial. In phase 1, we randomised 51 clinics to a full intervention group (prescription review and league tables plus authorised feedback letter), a partial intervention group (prescription review and league tables), and a control group (prescription review only). Prescribers in these clinics were the target of our intervention. Prescription reviews were performed by pharmacists; 20 handwritten prescriptions per prescriber were consecutively screened on a random day each month, and errors identified were recorded in a standardised data collection form. Prescribing performance feedback was conducted at the completion of each prescription review cycle. League tables benchmark prescribing errors across clinics and individual prescribers, while the authorised feedback letter detailed prescribing performance based on a rating scale. In phase 2, all clinics received the full intervention. Pharmacists were trained on data collection, and all data were audited by researchers as an implementation fidelity strategy. The primary outcome, percentage of prescriptions with at least one error, was displayed in p-charts to enable group comparison.

    RESULTS: A total of 32,200 prescriptions were reviewed. In the full intervention group, error reduction occurred gradually and was sustained throughout the 8-month study period. The process mean error rate of 40.7% (95% CI 27.4, 29.5%) in phase 1 reduced to 28.4% (95% CI 27.4, 29.5%) in phase 2. In the partial intervention group, error reduction was not well sustained and showed a seasonal pattern with larger process variability. The phase 1 error rate averaging 57.9% (95% CI 56.5, 59.3%) reduced to 44.8% (95% CI 43.3, 46.4%) in phase 2. There was no evidence of improvement in the control group, with phase 1 and phase 2 error rates averaging 41.1% (95% CI 39.6, 42.6%) and 39.3% (95% CI 37.8, 40.9%) respectively.

    CONCLUSIONS: The rate of prescribing errors in primary care settings is high, and routine prescriber feedback comprising league tables and a feedback letter can effectively reduce prescribing errors.

    TRIAL REGISTRATION: National Medical Research Register: NMRR-12-108-11,289 (5th March 2012).
  14. Ang JY, Lai JM, Hss AS, Ramalingam P, Ramasamy M, Zainuddin NS, et al.
    Traffic Inj Prev, 2020;21(4):278-282.
    PMID: 32297815 DOI: 10.1080/15389588.2020.1746773
    Objective: The aim of this study was to explore parents' awareness and usage of CRS, incentives and challenges in CRS use, as well as their perception about potential CRS legislation in Malaysia.Methods: This was a cross-sectional study conducted in a public tertiary care center in Northern Malaysia. A self-developed researcher-assisted questionnaire was developed in English and translated into Malay language, to explore parents' awareness ad CRS usage, as well as the incentives and barriers in CRS use. Parents of a newborn were conveniently sampled, excluding parents with pre-term newborn or those without a car. Upon obtaining written informed consent, the parents were allowed to answer the questionnaire within 20 minutes, assisted by the researchers. Parents who were found not using CRS for their newborn were given a digital pamphlet with CRS-related information via mobile devices.Results: A total of 200 parents were approached and 193 of them consented to participate in this study. The majority of the parents (87.6%) were aware of CRS, but only half of them (57.0%) provided a CRS for their current newborn. From 100 CRS users, most of them used a CRS for "child's safety" purposes (84.5%). Among 83 CRS nonuser, nearly half of them (45.8%) perceived that it is adequate to carry their child during traveling without using a CRS. When exploring previous experience in using CRS among all parents (n = 193), more than half of them (63.9%) faced difficulty as their child refused to use the CRS. More than half (54.9%) of all parents were not aware about the possible CRS legislation in Malaysia. However, the majority of them (90.7%) agreed with the implementation of CRS law.Conclusions: Although majority of the parents were aware about CRS, but only half had a CRS for their current newborn. Most of the parents supported CRS legislation in Malaysia, but assistance will be required to help them through challenges related to CRS use.
  15. Tan HS, Balasubramaniam IS, Hss AS, Yeong ML, Chew CC, Singh RP, et al.
    BMC Pediatr, 2019 05 29;19(1):174.
    PMID: 31142302 DOI: 10.1186/s12887-019-1550-3
    BACKGROUND: Prolonged neonatal jaundice (PNNJ) is often caused by breast milk jaundice, but it could also point to other serious conditions (biliary atresia, congenital hypothyroidism). When babies with PNNJ receive a routine set of laboratory investigations to detect serious but uncommon conditions, there is always a tendency to over-investigate a large number of well, breastfed babies. A local unpublished survey in Perak state of Malaysia revealed that the diagnostic criteria and initial management of PNNJ were not standardized. This study aims to evaluate and improve the current management of PNNJ in the administrative region of Perak.

    METHODS: A 3-phase quasi-experimental community study was conducted from April 2012 to June 2013. Phase l was a cross-sectional study to review the current practice of PNNJ management. Phase ll was an interventional phase involving the implementation of a new protocol. Phase lll was a 6 months post-interventional audit. A registry of PNNJ was implemented to record the incidence rate. A self-reporting surveillance system was put in place to receive any reports of biliary atresia, urinary tract infection, or congenital hypothyroidism cases.

    RESULTS: In Phase I, 12 hospitals responded, and 199 case notes were reviewed. In Phase II, a new protocol was developed and implemented in all government health facilities in Perak. In Phase III, the 6-month post-intervention audit showed that there were significant improvements when comparing mean scores of pre- and post-intervention: history taking scores (p 

  16. Nealon J, Lim WY, Moureau A, Linus Lojikip S, Junus S, Kumar S, et al.
    Vaccine, 2019 09 16;37(39):5891-5898.
    PMID: 31445770 DOI: 10.1016/j.vaccine.2019.07.083
    BACKGROUND: The world's first dengue vaccine [Dengvaxia; Sanofi Pasteur] was licensed in 2015 and others are in development. Real-world evaluations of dengue vaccines will therefore soon be needed. We assessed feasibility of case control (CC) and test-negative (TN) design studies for dengue vaccine effectiveness by measuring associations between socio-demographic risk factors, and hospitalized dengue outcomes, in Malaysia.

    METHODS: Following ethical approval, we conducted hospital-based dengue surveillance for one year in three referral hospitals. Suspected cases aged 9-25 years underwent dengue virological confirmation by RT-PCR and/or NS1 Ag ELISA at a central laboratory. Two age- and geography-matched hospitalized non-dengue case-controls were recruited for a traditional CC study. Suspected cases testing negative were test-negative controls. Socio-demographic, risk factor and routine laboratory data were collected. Logistic regression models were used to estimate associations between confirmed dengue and risk factors.

    RESULTS: We recruited 327 subjects; 155 were suspected of dengue. The planned sample size was not met. 124 (80%) of suspected cases were dengue-confirmed; seven were assessed as severe. Three had missing RT-PCR results; the study recruited 28 test-negative controls. Only 172 matched controls could be recruited; 90 cases were matched with ≥1 controls. Characteristics of cases and controls were mostly similar. By CC design, two variables were significant risk factors for hospitalized dengue: recent household dengue contact (OR: 54, 95% CI: 7.3-397) and recent neighbourhood insecticidal fogging (OR: 2.1; 95% CI: 1.3-3.6). In the TN design, no risk factors were identified. In comparison with gold-standard diagnostics, routine tests performed poorly.

    CONCLUSIONS: The CC design may be more appropriate than the TN design for hospitalized dengue vaccine effectiveness studies. Selection bias in case control selection could be minimized by protocol changes more easily than increasing TN design control numbers, because early-stage dengue diagnosis in endemic countries is highly specific. MREC study approval: (39)KKM/NIHSEC/P16-1334.

  17. Junus S, Chew CC, Sugunan P, Meor-Aziz NF, Zainal NA, Hassan HM, et al.
    BMC Public Health, 2021 10 15;21(1):1860.
    PMID: 34654405 DOI: 10.1186/s12889-021-11825-2
    BACKGROUND: Secondhand smoke (SHS) exposure can affect physical development in children. An understanding of parental risk perception of SHS could guide efforts to develop measures for prevention of SHS exposure among children. This study aimed to assess parental risk perceptions of SHS and action taken by parents to minimise SHS exposure in their children.

    METHODS: This cross-sectional nationwide study conducted in 2018 recruited convenience sample of 289 parents with children up to age 12 at public areas. Parents were asked to rate the risk level from 1 (no risk) to 5 (extremely high risk) by looking at photographs of an adult smoking in the presence of a child in 8 different situations. The implementation of smoking restriction rules was assessed. Mean scores were calculated with higher scores representing higher risk perception of SHS to child's health. Linear regression analysis was used to determine factors associated with the level of parental risk perception of SHS exposure to their children's health.

    RESULTS: A total of 246 parents responded. Their mean age was 35 years (SD 6.4). The majority were mothers (75.6%), Malays (72.0%) and had tertiary education level (82.5%), and non-smoker (87.1%). The mean age of respondents' youngest child was 3 years (SD 3.1). The risk perception level was high [mean scores: 4.11 (SD: 0.82)]. Most parents implemented household (65.0%) and car (68.3%) smoking restriction rules. Lower levels of risk perception were observed among participants who were current smokers (p 

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