Ethnic differences in the prevalence, socioeconomic and health related risk factors of knee pain and osteoarthritis symptoms in older Malaysians

Autoři: Sumaiyah Mat aff001;  Mohamad Hasif Jaafar aff001;  Chin Teck Ng aff003;  Sargunan Sockalingam aff005;  Jasmin Raja aff005;  Shahrul Bahyah Kamaruzzaman aff006;  Ai-Vyrn Chin aff006;  Azlina Amir Abbas aff007;  Chee Ken Chan aff007;  Noran Naqiah Hairi aff008;  Sajaratulnisah Othman aff009;  Robert G. Cumming aff010;  Nai Peng Tey aff011;  Maw Pin Tan aff001
Působiště autorů: Ageing and Age-Associated Disorders Research Group, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia aff001;  Research Management Centre, Perdana University, Serdang, Selangor, Malaysia aff002;  Duke-NUS Medical School, Singapore, Singapore aff003;  Singapore General Hospital, Singapore, Singapore aff004;  Department of Rheumatology, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia aff005;  Geriatric Division, Department of Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia aff006;  National Orthopaedic Centre of Excellence in Research and Learning (NOCERAL), Department of Orthopaedic Surgery, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia aff007;  Julius Centre University of Malaya, -Department of Social and Preventive Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia aff008;  Department of Primary Care Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia aff009;  School of Public Health, University of Sydney, Sydney, Australia aff010;  Faculty of Economics and Administration, University of Malaya, Kuala Lumpur, Malaysia aff011;  Centre for Innovation in Medical Engineering, University of Malaya, Kuala Lumpur, Malaysia aff012;  Department of Medical Sciences, School of Healthcare and Medical Sciences, Sunway University, Bandar Sunway, Malaysia aff013
Vyšlo v časopise: PLoS ONE 14(11)
Kategorie: Research Article
doi: 10.1371/journal.pone.0225075


Knee pain is often underreported, underestimated and undertreated. This study was conducted to estimate the prevalence, burden and further identify socioeconomic factors influencing ethnic differences in knee pain and symptoms of OA among older adults aged 55 years and over in Greater Kuala Lumpur (the capital city of Malaysia). The sample for the Malaysian Elders Longitudinal Research (MELoR) was selected using stratified random sampling, by age and ethnicity from the electoral rolls of three parliamentary constituencies. Information on knee pain was available in 1226 participants, mean age (SD) 68.96 (1.57) years (409 Malay, 416 Chinese, 401 Indian). The crude and weighted prevalence of knee pain and self-reported knee OA symptoms were 33.3% and 30.8% respectively. There were significant ethnic differences in knee pain (crude prevalence: Malays 44.6%, Chinese 23.5% and Indians 31.9%, p<0.001). The presence of two or more non-communicable diseases (NCD) attenuated the increased risk of knee pain among the ethnic Indians compared to the ethnic Chinese. The prevalence of knee pain remained significantly higher among the ethnic Malays after adjustment for confounders. While the prevalence of knee pain in our older population appears similar to that reported in other published studies in Asia, the higher prevalence among the ethnic Malays has not previously been reported. Further research to determine potential genetic susceptibility to knee pain among the ethnic Malays is recommended.

Klíčová slova:

Ethnic epidemiology – Ethnicities – Chinese people – Knee joints – Knees – Malay people – Obesity – Osteoarthritis


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2019 Číslo 11