Background: Renewable energies such as biogas are considered as clean sources of energy that minimize environmental impacts and are sustainable with regard to current and future economic and social needs. Biogas offers an attractive option for replacing the unsustainable usage of traditional energy sources such as firewood, cow dung, and charcoal in developing countries. In Ethiopia, these energy sources have been in decline. To address these challenges, mainly in rural areas, biogas technology has been domesticated since 2009, as seen in the National Program. The purpose of this study is thus to examine factors that influence households' decisions of adopting biogas technology in rural areas in southern Ethiopia. Methods: A sample of 268 households with 134 biogas adopters and 134 non-adopters were surveyed using simple random and purposive sampling techniques, respectively. The data were collected through individual interviews of households using a semistructured questionnaire. Descriptive statistics and a binary logistic regression model were used for the data analysis. The binary logistic regression model was applied to identify determinant factors affecting the adoption of biogas technology. Results: The results of the study indicated that biogas adopter and non-adopter households had significant mean differences in education level, cattle size, household income, farmland size, number of planted trees as well as the distance to water sources, market places, and firewood sources. Level of education, level of income, access to credit, distance to firewood sources, and access to electronic media had a significantly positive influence on the adoption of biogas technology. Conversely, distance to water sources and access to electricity had a significantly negative influence on the adoption of biogas technology. Conclusions: Biogas technology mostly appears in privileged households having a better socioeconomic status and other resource endowments. The beneficiaries are thus households that can afford the higher initial investment costs for bio-digester installation, maintenance services and purchasing bio-digester spare parts; as well as households that have access to credit facilities, water sources for adequate water supply, markets for purchasing spare parts and electronic media for information, and also households residing far away from firewood sources.
Background: Postspinal anesthesia shivering is a common complication during spinal anesthesia. It is very unpleasant and physiologically stressful for patients and challenging for healthcare providers. Shivering could be treated with tramadol or pethidine. However, the comparative effectiveness of one drug over the other drug has not been proven with a low-drug setup. Objective: To compare the effect of intravenous tramadol versus pethidine on postspinal shivering control among obstetric mothers who underwent cesarean section. Methods and materials: A prospective cohort study design was conducted on 180 ASA (American Society of Anesthesiology) I and II obstetric mothers. A systematic random sampling method was employed. Data were entered into EpiData version 4.6 and exported into SPSS version 25 for analysis. The independent sample t test was used to compare the difference of means between groups for normally distributed data, and the Mann–Whitney U test was used for non-normally distributed data. Categorical data were analyzed using the chi-squared test. Data were presented by mean±standard deviation for normally distributed data and median and interquartile range for non-normally distributed data. Categorical data were presented as numbers and frequencies. P values less than 0.05 were considered statistically significant. Results: One hundred eighty participants were used for analysis. The mean time of shivering disappearance was 5.5±1.75 min and 6.6±2.08 min in tramadol and pethidine groups, respectively (P<0.001). The hemodynamic changes were all comparable between the two groups. The difference in the recurrence of shivering after treatment was significant between the groups (P<0.001). Sedation was higher in the pethidine group, 9 (10%), than in the tramadol group, 2 (2.2%). Nausea and vomiting were found to be higher in the tramadol group, 10 (11.1%), than in the pethidine group, 5 (5.6%). Conclusions: Tramadol controlled shivering early, and recurrence of shivering and incidence of sedation were also low in the tramadol group. Therefore, tramadol is as effective as pethidine for the treatment of postspinal shivering in obstetric mothers who underwent cesarean delivery. So tramadol can be used as an alternative for postspinal shivering in obstetric mothers.
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