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Predictors of malaria among Malaysian aborigines

Kaur G

Asia Pac J Public Health, 2009 Apr;21(2):205-15.
PMID: 19223366 DOI: 10.1177/1010539509331594

The Asia-Pacific region has at least 50% of its population at risk for malaria. In Malaysia, indigenous malaria is largely concentrated among the Orang Asli in Peninsular Malaysia. A cross-sectional study was conducted in an Orang Asli community in the district of Raub, Pahang, to determine the predictors of malaria. Age, seldom/never wearing protective clothing while in the jungle, going out at night, ever staying in another village, and living in bamboo-walled homes were found to be associated with malaria (crude odds ratio = 1.8-4.5; 95% confidence interval [CI] = 1.1-9.1) After adjusting for confounding, major predictors of malaria were age < or =12 years (adjusted odds ratio [aOR] = 4.3;95% CI = 2.2-8.4),), never/seldom wearing protective clothing while in the jungle (aOR = 3.8; 95% CI = 1.8-8.0), and going out at night (aOR = 2.5; 95% CI = 1.4-4.8). The findings lend support for intensifying behaviour modification in this population.

Matched MeSH terms: Malaria/ethnology*
Severity of Malaria cases reported in urban and rural hospitals in Malaysia

Nimir AR, Isa NH, Eugene CB, Ghauth IM, Salleh FM, Rahman RA

Southeast Asian J. Trop. Med. Public Health, 2006 Sep;37(5):831-7.
PMID: 17333723

The age distribution, types of infection and clinical patterns of malaria were compared in patients admitted to an urban and a rural hospital. Analysis of the cases seen in urban setting characteristically indicated a relatively low transmission rate of the disease, whereas the mean inoculation rate in patients from the rural hospital was found to be at least twenty folds higher. Plasmodium vivax was the predominant causative species in the urban hospital (p = 0.01), infecting mostly adult (p = 0.001) males (p = 0.01). The geometric mean parasite count at 3432/microl among the urban patients was significantly higher than that in the rural patients at 1422/microl (p = 0.04). Coma and death were more common among the cases seen in the urban hospital (p = 0.003), while severe anemia was the significant complication in the rural setting. Overall, the provisional diagnosis of malaria was relatively low in the urban hospital (p = 0.02). The results from this study highlighted the need to define the extent of malaria in urban areas. This report attempts to identify the non-climatic determinants of the infection and, furthermore, to provide a more informed basis to describe the burden of the disease.

Matched MeSH terms: Malaria/ethnology
Fulltext Updates on malaria incidence and profile in Malaysia from 2013 to 2017

Hussin N, Lim YA, Goh PP, William T, Jelip J, Mudin RN

Malar J, 2020 Jan 31;19(1):55.
PMID: 32005228 DOI: 10.1186/s12936-020-3135-x

BACKGROUND: To date, most of the recent publications on malaria in Malaysia were conducted in Sabah, East Malaysia focusing on the emergence of Plasmodium knowlesi. This analysis aims to describe the incidence, mortality and case fatality rate of malaria caused by all Plasmodium species between Peninsular Malaysia and East Malaysia (Sabah and Sarawak) over a 5-year period (2013-2017).
METHODS: This is a secondary data review of all diagnosed and reported malaria confirmed cases notified to the Ministry of Health, Malaysia between January 2013 and December 2017.
RESULTS: From 2013 to 2017, a total of 16,500 malaria cases were notified in Malaysia. The cases were mainly contributed from Sabah (7150; 43.3%) and Sarawak (5684; 34.4%). Majority of the patients were male (13,552; 82.1%). The most common age group in Peninsular Malaysia was 20 to 29 years (1286; 35.1%), while Sabah and Sarawak reported highest number of malaria cases in age group of 30 to 39 years (2776; 21.6%). The top two races with malaria in Sabah and Sarawak were Bumiputera Sabah (5613; 43.7%) and Bumiputera Sarawak (4512; 35.1%), whereas other ethnic group (1232; 33.6%) and Malays (1025; 28.0%) were the two most common races in Peninsular Malaysia. Plasmodium knowlesi was the commonest species in Sabah and Sarawak (9902; 77.1%), while there were more Plasmodium vivax cases (1548; 42.2%) in Peninsular Malaysia. The overall average incidence rate, mortality rate and case fatality rates for malaria from 2013 to 2017 in Malaysia were 0.106/1000, 0.030/100,000 and 0.27%, respectively. Sarawak reported the highest average incidence rate of 0.420/1000 population followed by Sabah (0.383/1000). Other states in Peninsular Malaysia reported below the national average incidence rate with less than 0.100/1000.
CONCLUSIONS: There were different trends and characteristics of notified malaria cases in Peninsular Malaysia and Sabah and Sarawak. They provide useful information to modify current prevention and control measures so that they are customised to the peculiarities of disease patterns in the two regions in order to successfully achieve the pre-elimination of human-only species in the near future.

Matched MeSH terms: Malaria/ethnology
Fulltext Opportunities and obstacles to the elimination of malaria from Peninsular Malaysia: knowledge, attitudes and practices on malaria among aboriginal and rural communities

Al-Adhroey AH, Nor ZM, Al-Mekhlafi HM, Mahmud R

Malar J, 2010;9:137.
PMID: 20497543 DOI: 10.1186/1475-2875-9-137

Despite continuous efforts by the government and private sectors, malaria is still a public health problem in rural Peninsular Malaysia. This study investigated household knowledge, attitude and practices (KAP) regarding malaria in two malaria endemic communities, forest-aboriginal and rural communities, in the Lipis district of Pahang state, Malaysia.

Matched MeSH terms: Malaria/ethnology