Ng Chirk Jenn

Current Research & Scholarly Interests

I am interested in studying shared decision-making methods, men’s health and e-Health. I am also interested in the topic of research ethics and implementation science.

Past Published Research

Syed A, Zuraidah Mohd Don,  Ng CJ, Lee YK, Khoo EM, Lee PY, Abdullah Lim K, Zainal A. “Using a patient decision aid for insulin initiation in patients with type 2 diabetes: a qualitative analysis of doctor-patient conversations in primary care consultations in Malaysia.” BMJ Open 2017;7(5):e014260.

Alden DL, Friend J, Lee PY, Lee YK, Trevana L, Ng CJ, Kiatpongsan S, Abdullah Lim K, Takana M, Limpongsanurak S. Who Decides: Me or We? Family Involvement in Medical Decision Making in Eastern and Western Countries. Med Decis Making 2017, 272989×17715628. doi:10.1177/0272989×17715628 [Epub ahead of print]

Teo CH, Ling CJ, Ng CJ. Effectiveness of interventions in improving health screening uptake in men. A systematic review and meta-analysis. American Journal of Preventive Medicine. (Accepted)

Nasir NH, Mohamad M, Lum LCS, Ng CJ. Effectiveness of a fluid chart in outpatient management of suspected dengue fever: A pilot study. PloS one 2017;12(10):e0183544.

Ng CJ, Teo CH, Ho CCK, Tan HM. Science and society: Development of the Asian Men’s Health Report: challenges and opportunities. Nat Rev Urol. doi: 10.1038/nrurol.2017.93. [Epub ahead of print] Review.

Lee YK, Ng CJ, Low WY. Addressing unmet needs of patients with chronic diseases: Impact of the VISIT website during consultations. Journal of evaluation in clinical practice 2017, [In Press]. doi:10.1111/jep.12777Teo CH, Ng CJ, White A. What Do Men Want from a Health Screening Mobile App? A Qualitative Study. PloS one 2017;12(1):e0169435.

Lee YK, Ng CJ. The state of shared decision making in Malaysia. Z Evid Fortbild Qual Gesundhwes 2017. doi:10.1016/j.zefq.

Tong WT, Lee YK, Ng CJ, Lee PY. Factors influencing implementation of a patient decision aid in a developing country: an exploratory study. Implementation Science 2017, 12:40.

Teo CH,  Ng CJ, White A. Factors influencing young men’s decision to undergo health screening in Malaysia: a qualitative study. BMJ open 2017;7(3):e014364.

Lee YK, Lee PY, Ng CJ, Teo CH, Abu Bakar AI, Khatijah A, Khoo EM, Hanafi NS, Low WY, Chiew TK. Usability and utility evaluation of the web-based “Should I Start Insulin?” patient decision aid for patients with type 2 diabetes among older people. Informatics for Health and Social Care 2016, DOI: 10.1080/17538157.

Firzara AM, Ng CJ. Knowledge and practice of prostate cancer screening among general practitioners in Malaysia: a cross-sectional study. BMJ open 2016;6(9):e011467.

Lee JY, Chan CKY, Chua SS, Ng CJ, Paraidathathu T, Lee KKC, Lee SWH. Intervention for Diabetes with Education, Advancement and Support (IDEAS) study: protocol for a cluster randomised controlled trial. BMC Health Services Research 2016;16(1):524.

Lum ASL, Chiew TK, Ng CJ, Lee YK, Lee PY, Teo CH. Development of a web-based insulin decision aid for the elderly: usability barriers and guidelines. Universal Access in the Information Society 2016;1-17.

Nik J, Lai PSM, Ng CJ, Emmerton L. “A qualitative study of community pharmacists opinions on the provision of osteoporosis disease state management services in Malaysia.” BMC Health Services Research 2016;16(1):1-14.

Cheong AT, Lee PY, Ng CJ, Lee YK, Ong TA, Khatijah LA, Azad HAR. Doctors’ Approaches to Decision Support in Counseling Patients with Localized Prostate Cancer: An Asian Perspective. Sains Malaysiana 2016;45(6):941–947.

Abdullah A, Liew SM, Hanafi NS, Ng CJ, Lai PSM, Chia YC, Loo CK. “What influences patients’ acceptance of a blood pressure telemonitoring service in primary care? A qualitative study.” Patient Preference and Adherence 2016;10:99-106.

Ng CJ, Teng CL, Abdullah A, Wong CH, Hanafi NS, Phoa SSY, et al. The Status of Family Medicine Training Programs in the Asia Pacific. Family medicine 2016;48(3):194-202.

Teo CH, Ng CJ, Booth A, White A. Barriers and facilitators to health screening in men: A systematic review. Social Science & Medicine. 2016;165:168-76.

Lee PY, Cheong AT, Ng CJ, Lee YK, Abdullah KL, Razack AHA, Ong TA. Supporting Patients in Making Treatment Decisions for Early Prostate Cancer: A Qualitative Study of Healthcare Professionals\ Views on Barriers and Challenges in an Asian Country Journal of Mens Health 2016

Hisham R, Liew SM, Ng CJ, Nor KM, Osman IF, Ho GJ, Hamzah N, Glasziou P. Rural Doctors\ Views on and Experiences with Evidence-Based Medicine: The FrEEDoM Qualitative Study Plos One 2016

Hisham R, Ng CJ, Liew SM, Hamzah N, Ho GJ. Why is there variation in the practice of evidence-based medicine in primary care? A qualitative study. BMJ open 2016;6(3):e010565.

Chia YC, Beh HC, Ng CJ, Cheong LT, Hanafi NS, Choo WY, Ching SM. Ethnic Differences in the Prevalence of Knee Pain amongst Adults of a Community in a Cross-Sectional Study. BMJ Open 2016;6:e011925.doi:10.1136/bmjopen-2016- 011925

Ho GJ, Liew SM, Ng CJ, Hisham Shunmugam R, Glasziou P. Development of a Search Strategy for an Evidence Based Retrieval Service. PLoS One 2016;11(12).

Ambigapathy R, Chia YC, Ng CJ. Patient involvement in decision-making: a cross-sectional study in a Malaysian primary care clinic. BMJ Open. 2016;6(1):e010063. doi: 10.1136. PubMed PMID: 26729393.

Lee PY, Khoo EM, Low WY, Lee YK, Abdullah KL, Azmi SA, Ng CJ. Mismatch between health- care professionals and patients views on a diabetes patient decision aid: A qualitative study. Health Expectations 2015;19(2):427-436. doi:10.1111/hex.12366

Saimon R, Choo WY, Chang KH, Ng CJ, Bulgiba A. Physical Activity Among Adolescents in an East Malaysian Rural Indigenous Community: Exploring the Influence of Neighborhood Environmental Factors. Asia Pac J Public Health 2015;27(8 Suppl):33S-40S.

Sellappans R, Ng CJ, Lai PSM.”Validation of the Physician-Pharmacist Collaborative Index for physicians in Malaysia.” Int J Clin Pharm 2015.

Tan HM, Low WY, Tong SF, Haniff J, Appannah G, Lee VKM, Khoo EM, Ng CJ, Ho CCK. Aging Male Symptoms Scale (AMS) For Health- related Quality of Life in Aing Men: Translation and Adaptation in Malay. Malaysian Journal of Public Health Medicine 2015;15(2):17-23

Tong WT, Vethakkan SR, Ng CJ. Why do some people with type 2 diabetes who are using insulin have poor glycaemic control? A qualitative study. BMJ Open 2015;5:e006407. doi:10.1136

McCarthy SA, Ng CJ, Chin CKL, Hamzah E. What are the experiences and needs of patients and carers receiving community palliative care in Malaysia? A qualitative study. Progress in Palliative Care 2015. ePub. DOI: 10.1179/1743291X14Y.0000000099

Ng CJ, Teo CH, Abdullah N, Tan W, Tan H. Relationships between cancer pattern, country income and geographical region in Asia. BMC Cancer 2015;15(1):613.

Sellappans R, Lai PSM, Ng CJ. “Challenges faced by primary care physicians when prescribing for patients with chronic diseases in a teaching hospital in Malaysia: a qualitative study.” BMJ Open 2015;5(8).

Ng CJ, Lai PSM, Lee YK, Azmi SA, Teo CH. Barriers and facilitators to starting insulin in patients with type 2 diabetes: a systematic review. International Journal of Clinical Practice 2015 [E-Pub before publication] doi: 10.1111/ijcp.12691

Ariffin F, Chin K, Ng C, Miskan M, Lee V, Isa M. Are medical students confident in taking a sexual history? An assessment on attitude and skills from an upper middle income country. BMC research notes 2015;8(1):248.

Lee YK, Low WY, Lee PY, Ng CJ. Factors influencing decision- making role preferences: A qualitative study of Malaysian patients with type 2 diabetes during insulin initiation. Int J Nurs Pract 2015;21:125-131. doi: 10.1111/ijn.12355.

Annaletchumy Loganathan, CJ Ng., Tan MP & Low WY. Barriers faced by healthcare professionals when managing falls in older people in Kuala Lumpur, Malaysia. BMJ Open 2015;5(11):e008460. DOI: 10.1136

Lee PY, Liew SM, Abdullah A, Abdullah N, Ng CJ, Hanafi NS, Chia YC, Lai PS, Wong SS, Khoo EM. Healthcare professionals’ and policy makers’ views on implementing a clinical practice guideline of hypertension management: a qualitative study. PLoS ONE 2015;10(5):e0126191. doi:10.1371/journal.pone.0126191

Teo CH, Ng CJ, Ho CCK, Tan HM. A consensus on men s health status and policy in Asia: a Delphi survey. Public Health 2015;129(1):60-67. doi:10.1016

Wong SSL, Lee PY, Ng CJ, Hanafi NS, Chia YC, Lai PSM, Liew SM, Khoo EM. Are doctors assessing patients with hypertension appropriately at their initial presentation? Singapore Med J 2015;56(9):518- 522. doi:10.11622

Lee YK, Lee PY, Cheong AT, Ng CJ, Khatijah LA, Ong TA, Azad HAR. To Share or Not to Share: Malaysian Healthcare Professionals’ Views on Localized Prostate Cancer Treatment Decision Making Roles. PLoS ONE 2015;10:e0142812

Lai PSM, Sim SM, Chua SS, Tan CH, Ng CJ, Achike FI, Teng CL. “Development and validation of an instrument to assess the prescribing readiness of medical students in Malaysia.” BMC Med Educ 2015;15:153.

Ng CJ, Mathers N, Bradley A, Colwell B. A `combined framework approach to developing a patient decision aid: the PANDAs model. BMC Health Services Research 2014;14(1): 503. doi:10.1186/s12913-014- 0503-7

Lee PY, Lee YK, Khoo EM, Ng CJ. How do healthcare professionals assess patients when initiating insulin therapy? A qualitative study. Primary Care Diabetes 2014;8:49-55.

Liew SM, Lee PY, Hanafi NS, Ng CJ, Wong SSL, Chia YC, Lai PSM, Mohd Zaidi NF, Khoo EM. Statins use is associated with poorer glycaemic control in a cohort of hypertensive patients with diabetes and without diabetes. Diabetology & Metabolic Syndrome 2014;6:53.

Lum LCS, Ng CJ, Khoo EM. Managing dengue fever in primary care: A practical approach. Malays Fam Physician 2014;9(2):2-10.

Tong SF, Khoo EM, Low WY, Ng CJ, Wong CH, Mohd Yusoff H, Abu Bakar AI, Tan HM, Jiwa M. Health innovation project: A concept paper on virtual health promotion program for men. J Men Health 2014;11(1):4-9. DOI: 10.1089

Engkasan JP, Ng CJ and Low WY. Factors influencing bladder management in male patients with spinal cord injury: a qualitative study. Spinal Cord 2014;52:157-162

Ng CJ, Teo CH, Ho CC, Tan WP, Tan HM. The status of men’s health in Asia. Preventive medicine 2014;67C:295-302. PubMed PMID: 25117523. Eng.

Ong WM, Chua SS, Ng CJ. Barriers and facilitators to self-monitoring of blood glucose in people with type 2 diabetes using insulin: A qualitative study. Patient Preference and Adherence 2014; 8:237-246

Sepucha KR, Matlock DD, Wills CE, Ropka M, Joseph- Williams N, Stacey D, Ng C, Levin C, Lally J, Borkhoff CM, Thomson R. “It’s Valid and Reliable” Is Not Enough: Critical Appraisal of Reporting of Measures in Trials Evaluating Patient Decision Aids. Med Decis Making 2014. [Epub ahead of print]

Engkasan JP, Ng CJ, Low WY. Who decides? A qualitative study on the decisional roles of patients, their caregivers and doctors on the method of bladder drainage after spinal cord injury. Spinal cord 2014.

Engkasan JP, Ng CJ, Low WY. Who decides? A qualitative study on the decisional roles of patients, their caregivers and doctors on the method of bladder drainage after spinal cord injury. Spinal cord 2014.

Tan HM, Tan WP, Wong JH, Ho CC, Teo CH, Ng CJ. Men’s Health Index: a pragmatic approach to stratifying and optimizing men’s health. Korean journal of urology 2014;55:710-7.

Abdul Samad N, Md Zain A, Osman R, Lee PY, Ng CJ. Malaysian private general practitioners views and experiences on continuous professional development: A qualitative study. Malays Fam Physician 2014;9(2):34-40

Brown I, Bradley A, Ng CJ, Colwell B, Mathers N. Investigating active ingredients in a complex intervention: a nested study within the Patient and Decision Aids (PANDAs) randomised controlled trial for people with type 2 diabetes. BMC Res Notes 2014;7(1):347. [Epub ahead of print]

Tan WS, Low WY, Ng CJ, Tan WK, Tong SF, Ho C, Khoo EM, Lee G, Lee BC, Lee V, Tan HM. Efficacy and safety of long- acting intramuscular testosterone undecanoate in aging men: a randomised controlled study. BJU International 2013. 111:1130 1140. doi:10.1111/bju.12037

Ng CJ, Low WY, Wong LP, Mohd RS, Rosmawati M. Uncovering the experiences and needs of patients with chronic Hepatitis B infection at diagnosis: A qualitative study. Asia Pac J Public Health 2013;25(1):32-40

Jahanfar S, Ng CJ, Teng CL. Antibiotics for mastitis in breastfeeding women. Cochrane Database of Systematic Reviews 2013, Issue 2. DOI: 10.1002/14651858.CD005458.pub3

Ng CJ, Lee YK, Lee PY, Khatijah LA. Health Innovations in Patient Decision Support : Bridging the gaps and challenges. Australasian Medical Journal 2013;6(2):95-99

Karen R Sepucha, Cornelia M Borkhoff, Joanne L, Carrie A Levin, Daniel D Matlock, Ng CJ, Mary E Ropka, Dawn S, Natalie JW, Celia E Wills and Richard T. 2013. Establishing the effectiveness of patient decision aids: key constructs and measurement instruments. BMC Medical Informatics and Decision Making 13(Suppl 2) 2013:S12 doi:10.1186/1472- 6947-13-S2-S12

Angela C, Diana S, Jennifer K, Patricia DM, Ng CJ and Trudy VDW. A systematic development process for patient decision aids. BMC Medical Informatics and Decision Making 13(Suppl 2)2013:S2 doi:10.1186/1472- 6947- 13-S2-S2

Ng CJ, Liew SM, Vethakkan SR, Abdullah A, Teng CL. Patient-adjusted versus health professional-adjusted insulin dosing for type 2 diabetes mellitus. Published Online: 2013.DOI: 10.1002/14651858.CD010574

Abdullah A, Khatijah LA,Cheng HY, Teo SH, Nur Aishah T, Ng CJ. The Decision Making Journey of Malaysian Women with Early Breast Cancer : A Qualitative Study. Asian Pacific Journal of Cancer Prevention 2013;14(12):7143-7147

Lee YK, Lee PY, Ng CJ. Tactics in counselling patients to start insulin. Diabet Med 2012. doi: 10.1111/dme.12050. [Epub ahead of print]

Ng CJ, Lee PY, Lee YK, Chew BH, Julia P Engkasan, Zarina II, Hanafi NS, Tong SF. An overview of patient involvement in healthcare decision-making: a situational analysis of the Malaysian context. BMC Health Services Research 2013;13:408. doi:10.1186/1472-6963-13-408

Ng CJ, Liew SM. Publication Ethics. Malaysian Family Physicians. 2013;8(1):1.

Lee YK, Ng CJ, Lee PY, Khoo EM, Khatijah LA, Low WY, Azah AS, Chen WS. What are the barriers faced by patients using insulin? A qualitative study of Malaysian healthcare professionals’ view. Patient Preference and Adherence 2013 7 103 109

Lee YK, Low WY, Ng CJ Exploring Patient Values in Medical Decision Making: A Qualitative Study. PLoS ONE 2013;8(11):e80051. doi:10.1371/journal.pone.0080051

Chia YC, Rabia K, Mohazmi M, Hanafi NS, Ng CJ. Evidence for Persisting with Treatment with Paracetamol in Patients with Mild to Moderate Osteoarthritis of the Knees. Life Sci J 2012;9(3):1131-1137]. (ISSN: 1097-8135). http://www.lifesciencesite.com. 157

Mathers N, Ng CJ, Campbell MJ, et al. Clinical effectiveness of a patient decision aid to improve decision quality and glycaemic control in people with diabetes making treatment choices: a cluster randomised controlled trial (PANDAs) in general practice. BMJ Open 2012;2:e001469. doi:10.1136

Jiwa M, Othman S, Hanafi NS, Ng CJ, Khoo EM, Chia YC. Healthcare in Asia: A perspective from primary care at the gateway to a continent. Quality in primary care 2012;20(5):317-20.

Wong SSL, Ng CJ, Liew SM, Hussein N. Effectiveness of a colour coded HbA1c graphical record in improving diabetes control in people with type 2 diabetes: A randomized control trial. Diab Res Clin Pract (2011), doi:10.1016

Ho CCK, Tong SF, Low WY, Ng CJ, Khoo EM, Lee VKM, Md Zainuddin Z, Tan HM. A randomized, double-blind, placebo-controlled trial on the effect of long-acting testosterone treatment as assessed by the Aging Male Symptoms Scale. BJU Int. 2012;110(2):260-5. DOI: 10.1111/j.1464-410X.2011.10755.x

Tong SF, Ng CJ, Lee BC, Lee VKM, Khoo EM, Lee EG, Tan HM. Effect of Long- Acting Testosterone Undecanoate Treatment on Quality of Life in men with Testosterone Deficiency Syndrome: A Double Blind Randomised Controlled Trial. Asian Journal of Andrology 2012;14: 604-611. doi:10.1038/aja.2011.178

Rosmawati M, Ng CJ, Tong WT, Suraya ZA,Wong LP, Low WY. Knowledge, attitudes and practices among people with chronic hepatitis B attending a hepatology clinic in Malaysia: A cross sectional study. BMC Public Health 2012;12:601.

Karen S, Richard T, Cornelia M Borkhoff, Joanne JL, Carie AL, Daniel DM, Ng CJ, Mary R, Dawn S, Natalie JW, Celia EW. Establishing the Effectiveness. In: Volk R, Llewellyn-Thomas H (editors). Update of the International Decision Aids Standards (IPDAS) Collaboration’s Background Document 2012. Chapter L.

Lee PY, Lee YK, Ng CJ. How can insulin initiation delivery in a dual-sector health system be optimised? A qualitative study on healthcare professionals’ views. BMC Public Health 2012;12(1):313

Colwell B, Mathers N, Ng CJ, Bradley A. Improving recruitment to primary care trials some lessons from the use of modern marketing techniques British Journal of General Practice. 2012(Tier 2, Impact Factor = 1.831)

Lee YK, Lee PY, Ng CJ. A qualitative study on healthcare professionals’ perceived barriers to insulin initiation in a multi-ethnic population. BMC Family Practice 2012;13:28

Tan NC, Ng CJ. The novel ‘Prepare-Intensive Coaching-Compete (PICC)’ model to learn research. Education for Primary Care 2012;23(2):120-124(5)

Wong S, Ng CJ. A skin lesion and fever of unknown origin – A case study. Australian Family Physician 2012;41(1):41-44.

Col N, Bozzuto L, Kirkegaard P, Koelewijn van Loon, Majeed H, Ng CJ, Pacheco-Huergo. Interprofessional Education about Shared Decision Making for Patients in Primary Care Settings. Journal of Interprofessional Care 2011.

Tan WS, Ng CJ, Khoo EM, Low WY, Tan HM. The triad of erectile dysfunction, testosterone deficiency syndrome and metabolic syndrome: findings from a multi-ethnic Asian men study (The Subang Men s Health Study). The Aging Male 2011;14(4):231-236. DOI: 10.3109/13685538.2011.597463

Tan WS, Yun LW, Ng CJ, Khoo EM, Ho ELM, Tan HM. Overactive bladder (OAB) and its association with prostatic parameters. Journal of Men’s Health 2011;8: S71-S74

Ng CJ, Low WY, Wong YL, Sudin MR, Mohamed R. Uncovering the experiences and needs of patients with chronic Hepatitis B infection at diagnosis: A qualitative study. Asia Pac J Public Health 2011. DOI: 10.1177/101053951141258

Liew SM, Pathy N Bhoo, Hairi NN, Sinnasamy J, Engkasan JP, Moy FM, Choo YM, Saini Jeffery FA, Ng CJ. Access to Medical Journals in Malaysia. Med J Malaysia. 2011;66(2):162-163.

Tong SF, Low WY, Ng CJ. Profile of men\’s health in Malaysia: problems and challenges. Asian Journal of Andrology 2011. DOI:10.1038/aja.2010.125

Tan WS, Ng CJ, Khoo EM, Low WY, Tan HM. The triad of erectile dysfunction, testosterone deficiency syndrome and metabolic syndrome: findings from a multi-ethnic Asian men study (The Subang Men\s Health Study) Aging Male 2011. (Tier 3, Impact Factor = 1.674)

Col N, Bozzuto L, Kirkegaard P, Loon MK, Majeed H, Ng CJ, et al. Interprofessional education about shared decision making for patients in primary care settings Journal of Interprofessional Care 2011. (Tier 4, Impact Factor = 0.793)

Tong SF, Low WY, Ng CJ. Profile of men\s health in Malaysia: problems and challenges Asian Journal of Andrology 2011. (Tier 3, Impact Factor = 1.549)

Tan NC, Ng CJ, Goh LG. The inaugural Primary Care Research Championship as a social experiment to promote research. Singapore Family Physician 2010;36(4):44-45

Khoo EM, Tan HM, Lee BC, Lee VKM, Tong SF, Low WY, Ng CJ. Overactive bladder and its association with chronic diseases. Aging Male 12, Supple 2012;1:46

Liew SM, Tong SF, Lee VK, Ng CJ, Leong KC, Teng CL. Text Messaging messaging reminders to reduce non-attendance in chronic disease follow-up: a clinical trial. Br J Gen Pract 2009. (Epub ahead of print)

Chia YC, Yeoh ESH, Ng CJ, Khoo EM, Chua C. Efficacy and tolerability of lercanidipine in mild to moderate hypertension among Asians of different ethnic groups Singapore Medical Journal 2009

Jahanfar S, Ng CJ, Teng CL. Antibiotics for mastitis in breastfeeding women Cochrane Database of Systematic Reviews 2009. (Tier 1, Impact Factor = 5.182)

Liew SM, Tong SF, Lee VKM, Ng CJ, Leong KC, Teng CL. Text messaging reminders to reduce non-attendance in chronic disease follow-up: a clinical trial British Journal of General Practice. 2009 (Tier 2, Impact Factor = 2.278)

Ng CJ, Chia YC, Teng CL, Nik-Sherina H. Factors influencing parental decision to consult for children with upper respiratory tract infection. J Paediatr Child Health 2008;44(4):208-13

Tan HM, Low WY, Tong SF, Haniff J, Appanah G, Ng CJ, Khoo EM, Lee VKM. Ageing Males Symptoms Scale (AMS): Translation and Cross Cultural Adaptation of Malay version. The Aging Male 2008;11(1):20

Ng CJ, Chia YC, Teng CL and Hanafi NS. Factors influencing parental decision to consult for children with upper respiratory tract infection. Journal of Paediatrics and Child Health 2008:44(4):208-213

Teng CL, Ng CJ, Nik-Sherina H, Zailinawati AH, Tong SF. The accuracy of mothers touch to detect fever in children: A systematic review Journal of Tropical Pediatrics. (Tier 3, Impact Factor = 1.018)

Ng CJ, Chia YC, Teng CL, Nik-Sherina H. Factors influencing parental decision to consult for children with upper respiratory tract infection Journal of Paediatrics and Child Health 2008. (Tier 3, Impact Factor = 0.896)

Wong LP, Tan HM, Low WY, Ng CJ.Traditional and complementary medicine (TCM) in the treatment of erection difficulties ¿ experience from the Asian Men¿s Attitudes to Life Events and Sexuality (MALES) Study.Journal of Men¿s Health 2008;5(4):356-65

Ng CJ,Tan HM ,Low WY. What do Asian men consider as important masculinity attributes? Findings from the Asian Men s Attitudes to Life Events and Sexuality (MALES) Study.Journal of Men s Health 2008;5(4):350-55

Low WY, Ng CJ, Fadzil KS, Ang ES. Sexual issues: let’s hear it from the Malaysian boys. The journal of men’s health & gender. 2007;4(3):283-91

Tan HM, Low WY, Ng CJ, Chen KK, Sugita M, Ishii N, Marumo K, Lee SW, Fisher W, Sand M. Prevalence and Correlates of Erectile Dysfunction (ED) and Treatment Seeking for ED in Asian Men : The Asian Men¿s Attitudes to Life Events and Sexuality (MALES) Study. Journal Sexual of Medicine 2007;4:1582-92

Ng CJ, Khoo EM. A primary care experience of open access to exercise stress test. Med J Malaysia 2007;62(3):241-244

Tan HM, Low WY, Ng CJ, Chen KK, Sugita M, Ishii N, Marumo K, Lee SW, Fisher W, Sand M. Prevalence and correlates of erectile dysfunction (ED) and treatment seeking for ED in Asian Men: The Asian Men\s attitudes to life events and sexuality (MALES) study Journal of Sexual Medicine 2007

Teng CL, Nik-Sherina H, Ng CJ, Chia YC, Atiya AS. Antibiotic prescribing for childhood febrile illness by primary care doctors in Malaysia. J Paediatr Child Health 2006;42(10):612-7

Zailinawati AH, Ng CJ, Nik-Sherina H. Why do patients with chronic illnesses fail to keep their appointments? A telephone interview. Asia Pac J Public Health 2006;18(1):10-5

Leong KC, Chen WS, Leong KW, Mastura I, Mimi O, Sheikh MA, Zailina AH, Ng CJ, Phua KL, Teng CL. The use of text messaging to improve attendance in primary care: a randomised controlled trial. Fam Pract 2006;23(6):699-705

Ng Chirk Jenn. Designing a Questionnaire. Malaysian Family Physician 2006;1(1):32-35

Low WY, Ng CJ, Choo WY, Tan HM. How do men perceive erectile dysfunction and its treatment? A qualitative study on opinions of men. The Aging Male 2006;3:175-180.

Jenn NC. Common Ethical Issues in Research and Publication. Malaysian Family Physician. 2006;1(2&3):74-6.

Nik-Sherina H, Ng CJ. Doctors treating family members: A qualitative study among primary care practitioners in a teaching hospital in Malaysia. Asia Pacific Journal of Family Medicine. 2006;5(2).

Ng CJ, Kamal SF. Bridging the gap between adolescent sexuality and HIV risk: the urban Malaysian perspective. Singapore Med J 2006;47(6):482- 90

Zailinawati AH, Ng CJ, Nik-Sherina H. Why do patients with chronic illnesses fail to keep their appointments? A telephone interview. Asia Pac J Public Health. 2006;18(1):10-5

Nik-Sherina H, Ng CJ. Doctors treating family members: A qualitative study among primary care practitioners in a teaching hospital in Malaysia. Asia Pacific Journal of Family Medicine 2006;5(2)

Teng CL, Nik-Sherina H, Ng CJ, Chia YC, Abdul SA. Antibiotic prescribing for childhood febrile illness by primary care doctors in Malaysia. Journal of Paediatrics and Child Health 2006;42:612-717

Teng CL, Nik-Sherina H, Ng CJ, Chia YC, Atiya AS. Antibiotic prescribing for childhood febrile illness by primary care doctors in Malaysia Journal of Paediatrics and Child Health 2006

Low WY, Ng CJ, Choo WY, Tan HM. How do men perceive erectile dysfunction and its treatment? A qualitative study on opinions of men Aging Male 2006

Ng CJ , Teng CL , Jahanfar S , “Antibiotics for mastitis in lactating women (Protocol)”, 2005

Ng CJ , Leong KC , Teng CL , “What do medical students think about primary care in Malaysia? A qualitative study”, 2005;16:575-80

Ng CJ, Hanafi N. What do primary care doctors do when they fall sick? A qualitative study exploring their help-seeking behavior. Asia Pacific Family Medicine. 2005;4:1-7.

Kamal SF, Ng CJ. “If You Don’t Try, You Wouldn’t Know Right?” Exploring Adolescent Sexuality, Sexual Risk-Taking Behaviour and HIV Risk. Malaysian Journal of Social Policy and Society 2005;2:146-166

Ng CJ, Nik-Sherina Hi. What do primary care doctors do when they fall sick? A qualitative study exploring their help-seeking behavior. Asia Pacific Family Medicine Journal 2005;4(3-4) (http://www.apfmj.com/afm4_3/afm19.htm)

Ng CJ, Low WY, Tan NC, Choo WY. The role of General Practitioners in the management of Erectile Dysfunction- A qualitative study. Int J Impot Res 2004;16:60-63.

Low WY, Ng CJ, Tan NC, Choo WY. Management of Erectile Dysfunction: Barriers faced by General Practitioners. Asian Journal of Andrology 6(2):99-104.

Othman S, Chia YC,  Ng CJ. Accuracy of urinalysis in detection of urinary tract infection in a primary care. Asia pacific Family Medicine 2003;2:206-212

Ng CJ, H Nik Sherina. A qualitative study on views and practices of self-treatment among doctors. Med J Malaysia 2003;48(SuppE):89

Tan NC, Ng CJ, Ng M. Piloting an Asia Pacific Research Forum (pASPAREF). Asia Pacific Family Medicine. 2002;1 (2&3):110.

Tan NC, Ng CJ, Ng M. Piloting an Asia Pacific Research Forum (pASPAREF). Asia Pacific Family Medicine. 2002;1 (2&3):110.

Ng CJ , McCarthy SA. Teaching medical students how to take a sexual history and discuss sexual health issues. Med J Malaysia 2002;57:E44-51