Background: Malaria, a parasitic infection, is a life-threatening disease in South Sumatra Province, Indonesia. This study aimed to investigate the spatial association between malaria occurrence and environmental risk factors. Methods:The number of confirmed malaria cases was analysed for the year 2013 from the routine reporting of the Provincial Health Office of South Sumatra. The cases were spread over 436 out of 1613 villages. Six potential ecological predictors of malaria cases were analysed in the different regions using ordinary least square (OLS) and geographically weighted regression (GWR). The global pattern and spatial variability of associations between malaria cases and the selected potential ecological predictors was explored. Results:The importance of different environmental and geographic parameters for malaria was shown at global and village-level in South Sumatra, Indonesia. The independent variables altitude, distance from forest, and rainfall in global OLS were significantly associated with malaria cases. However, as shown by GWR model and in line with recent reviews, the relationship between malaria and environmental factors in South Sumatra strongly varied spatially in different regions. Conclusions:A more in-depth understanding of local ecological factors influencing malaria disease as shown in present study may not only be useful for developing sustainable regional malaria control programmes, but can also benefit malaria elimination efforts at village level.
BackgroundEver since it was discovered that zoophilic vectors can transmit malaria, zooprophylaxis has been used to prevent the disease. However, zoopotentiation has also been observed. Thus, the presence of livestock has been widely accepted as an important variable for the prevalence and risk of malaria, but the effectiveness of zooprophylaxis remained subject to debate. This study aims to critically analyse the effects of the presence of livestock on malaria prevalence using a large dataset from Indonesia.MethodsThis study is based on data from the Indonesia Basic Health Research (“Riskesdas”) cross-sectional survey of 2007 organized by the National Institute of Health Research and Development of Indonesia’s Ministry of Health. The subset of data used in the present study included 259,885 research participants who reside in the rural areas of 176 regencies throughout the 15 provinces of Indonesia where the prevalence of malaria is higher than the national average. The variable “existence of livestock” and other independent demographic, social and behavioural variables were tested as potential determinants for malaria prevalence by multivariate logistic regressions.ResultsRaising medium-sized animals in the house was a significant predictor of malaria prevalence (OR = 2.980; 95% CI 2.348–3.782, P < 0.001) when compared to keeping such animals outside of the house (OR = 1.713; 95% CI 1.515–1.937, P < 0.001). After adjusting for gender, age, access to community health facility, sewage canal condition, use of mosquito nets and insecticide-treated bed nets, the participants who raised medium-sized animals inside their homes were 2.8 times more likely to contract malaria than respondents who did not (adjusted odds ratio = 2.809; 95% CI 2.207–3.575; P < 0.001).ConclusionsThe results of this study highlight the importance of livestock for malaria transmission, suggesting that keeping livestock in the house contributes to malaria risk rather than prophylaxis in Indonesia. Livestock-based interventions should therefore play a significant role in the implementation of malaria control programmes, and focus on households with a high proportion of medium-sized animals in rural areas. The implementation of a “One Health” strategy to eliminate malaria in Indonesia by 2030 is strongly recommended.Electronic supplementary materialThe online version of this article (10.1186/s12936-018-2447-6) contains supplementary material, which is available to authorized users.
Background Malaria is an increasing concern in Indonesia. Socio-demographic factors were found to strongly influence malaria prevalence. This research aimed to explore the associations between socio-demographic factors and malaria prevalence in Indonesia. Methods The study used a cross-sectional design and analysed relationships among the explanatory variables of malaria prevalence in five endemic provinces using multivariable logistic regression. Results The analysis of baseline socio-demographic data revealed the following independent risk variables related to malaria prevalence: gender, age, occupation, knowledge of the availability of healthcare services, measures taken to protect from mosquito bites, and housing condition of study participants. Multivariable analysis showed that participants who were unaware of the availability of health facilities were 4.2 times more likely to have malaria than those who were aware of the health facilities (adjusted odds ratio = 4.18; 95% CI 1.52–11.45; P = 0.005). Conclusions Factors that can be managed and would favour malaria elimination include a range of prevention behaviours at the individual level and using the networks at the community level of primary healthcare centres. This study suggests that improving the availability of a variety of health facilities in endemic areas, information about their services, and access to these is essential. Electronic supplementary material The online version of this article (10.1186/s12936-019-2760-8) contains supplementary material, which is available to authorized users.
AbstrakKabupaten Lahat adalah salah satu wilayah endemis malaria di Sumatera Selatan dengan prevalensi 16,4% dan Annual Malaria Incidence 22,08. Tujuan penelitian ini untuk mengetahui faktor risiko lingkungan dengan kejadian malaria. Faktor risiko lingkungan genangan air (breeding place) berhubungan dengan kejadian malaria dengan nilai p= 0,000. Analisis multivariat menemukan determinan utama kejadian malaria adalah breeding place di sekitar rumah responden dengan odds ratio (OR) = 5,034 dan 95% CI = 2,65 _ 9,56. Responden yang tinggal di sekitar breeding place berisiko 5,03 kali lebih besar untuk menderita malaria dibandingkan dengan responden yang di sekitar rumah tidak terdapat breeding place setelah dikontrol variabel jarak rumah ke breeding place, ventilasi rumah, penggunaan kelambu, penggunaan obat anti nyamuk, dan kebiasaan keluar rumah pada malam hari. Kata kunci: Daerah endemis, lingkungan genangan air, malaria AbstractLahat district is one of the malaria endemic area in South Sumatra Province with a prevalence of 16.4% and Annual Malaria Incidence of 22.08. The case control reports were carried out of 240 respondents. This study aimed to understand the relationship among of environmental risk factors with the incidence of malaria. After primary data collection followed by processing and data analysis in a multimedia laboratory. There was association between breeding place and malaria cases (p value= 0.000). The results of multivariate analysis of variables revealed the determinant risk was breeding place, with OR = 5.034 and CI 95%= 2.65 _ 9.56. Respondents who live around the breeding place has 5.034 times chance of affected malaria compared with respondents around the house there are no breeding place after the controlled distance to the breeding place house, use of mosquito nets, use of anti-mosquito, and habits out of the house at night variables.
The aim of this study was to assess the possible association of El Niño Southern Oscillation (ENSO) and Dipole Mode Index (DMI) on chikungunya incidence overtime, including the significant reduction in cases that was observed in 2017 in Indonesia. Monthly nation-wide chikungunya case reports were obtained from the Indonesian National Disease Surveillance database, and incidence rates (IR) and case fatality rate (CFR) were calculated. Monthly data of Niño3.4 (indicator used to represent the ENSO) and DMI between 2011 and 2017 were also collected. Correlations between monthly IR and CFR and Niño3.4 and DMI were assessed using Spearman’s rank correlation. We found that chikungunya case reports declined from 1972 cases in 2016 to 126 cases in 2017, a 92.6% reduction; the IR reduced from 0.67 to 0.05 cases per 100,000 population. No deaths associated with chikungunya have been recorded since its re-emergence in Indonesia in 2001. There was no significant correlation between monthly Niño3.4 and chikungunya incidence with r = −0.142 (95%CI: −0.320 – 0.046), p = 0.198. However, there was a significant negative correlation between monthly DMI and chikungunya incidence, r = −0.404 (95%CI: −0.229 – −0.554) with p < 0.001. In conclusion, our initial data suggests that the climate variable, DMI but not Niño3.4, is likely associated with changes in chikungunya incidence. Therefore, further analysis with a higher resolution of data, using the cross-wavelet coherence approach, may provide more robust evidence.
Background A web-based malaria reporting information system (MRIS) has the potential to improve malaria reporting and management. The aim of this study was to evaluate the existing manual paper-based MRIS and to provide a way to overcome the obstacles by developing a web-based MRIS in Indonesia. Methods An exploratory study was conducted in 2012 in Lahat District, South Sumatra Province of Indonesia. We evaluated the current reporting system and identified the potential benefits of using a web-based MRIS by in-depth interviews on selected key informants. Feasibility study was then conducted to develop a prototype system. A web-based MRIS was developed, integrated and synchronized, with suitability ranging from Primary Healthcare Centres
Background: Soil-transmitted helminth infection (STH) is a parasite infection that involves humans being infected with roundworms by route of soil contamination. One billion individuals are infected with worms, including 568 million school-age children. Helminthiasis in elementary school-aged children was not documented in Musi Rawas Regency. This study's goal was to identify if not wearing footwear increases the incidence of parasitic infection.Methods: The research was a cross-sectional survey, followed by statistical analysis. The study involved elementary school-aged students in Tuah Negeri District, Musi Rawas Regency, in 2021 and at least 200 participants. This study sample consisted of 108 with a purposive sampling method. This study utilized questionnaires and stool examinations using the Kato Katz method. Chi-square and multivariate logistic regression were used for statistical analysis.Results: Positive helminth infections amounted to 37,1% of the total (n=108). STH was comprised of 17.6% Ascaris lumbricoides, 9.3% Trichuris trichiura, and 25.9% hookworms. The finding of this research demonstrated a substantial (p = 0.000) relationship between the use of footwear and the advent of parasites. The logistic regression analysis results revealed that the most critical variable influencing the incidence of helminthiasis was not wearing any footwear.Conclusions: The study's findings suggest a correlation between footwear use and the risk of worm infection; as a result, it was recommended that children be thoroughly educated on personal hygiene, specifically footwear use, when using the bathroom.
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