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Biogas Cook Stoves for Healthy and Sustainable Diets? A Case Study in Southern India.

Anderman TL, DeFries RS, Wood SA, Remans R, Ahuja R, Ulla SE - Front Nutr (2015)

Bottom Line: Published research on these technologies focuses on their potential to reduce indoor air pollution and improve respiratory health.We compare treatment households who are supplied with a biogas cook stove with comparison households who do not have access to these stoves, while controlling for several socio-economic factors.To inform development investments and ensure these co-benefits, we argue that multiple dimensions of sustainability should be considered in evaluating the impact of alternative cook stoves.

View Article: PubMed Central - PubMed

Affiliation: Environmental Defense Fund , San Francisco, CA , USA.

ABSTRACT
Alternative cook stoves that replace solid fuels with cleaner energy sources, such as biogas, are gaining popularity in low-income settings across Asia, Africa, and South America. Published research on these technologies focuses on their potential to reduce indoor air pollution and improve respiratory health. Effects on other cooking-related aspects, such as diets and women's time management, are less understood. In this study, in southern India, we investigate if using biogas cook stoves alters household diets and women's time management. We compare treatment households who are supplied with a biogas cook stove with comparison households who do not have access to these stoves, while controlling for several socio-economic factors. We find that diets of treatment households are more diverse than diets of comparison households. In addition, women from treatment households spend on average 40 min less cooking and 70 min less collecting firewood per day than women in comparison households. This study illustrates that alongside known benefits for respiratory health, using alternative cook stoves may benefit household diets and free up women's time. To inform development investments and ensure these co-benefits, we argue that multiple dimensions of sustainability should be considered in evaluating the impact of alternative cook stoves.

No MeSH data available.


The percentage of households consuming each of the 10 food groups in the diet diversity score on a daily basis in the treatment and comparison populations, respectively. Significant differences in the consumption of food groups between the two populations represented by asterisks, based on analyses from mixed models with fixed effects.
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Figure 3: The percentage of households consuming each of the 10 food groups in the diet diversity score on a daily basis in the treatment and comparison populations, respectively. Significant differences in the consumption of food groups between the two populations represented by asterisks, based on analyses from mixed models with fixed effects.

Mentions: One particular food item or food group does not explain the differences observed in diet diversity between treatment and comparison households. Instead, the difference is related to the treatment households’ higher average consumption of several food groups. Starchy staples, beans and peas, Vitamin A fruits and vegetables, and other vegetables are the most frequently consumed food groups in both populations (Figure 3; Table S3 in Supplementary Material). However, treatment households consume the following food groups significantly more frequently on a daily basis: starchy staples, nuts and seeds, dairy, flesh foods, Vitamin A fruits and vegetables, and other fruits (Figure 3; Table S3 in Supplementary Material). In the context of the local situation, where nuts and seeds, flesh foods, green leafy vegetables, and eggs are among the least consumed items in general (Table S3 in Supplementary Material), this higher consumption of a variety of food groups by households with a biogas cook stove can add important nutritional diversity to the diet.


Biogas Cook Stoves for Healthy and Sustainable Diets? A Case Study in Southern India.

Anderman TL, DeFries RS, Wood SA, Remans R, Ahuja R, Ulla SE - Front Nutr (2015)

The percentage of households consuming each of the 10 food groups in the diet diversity score on a daily basis in the treatment and comparison populations, respectively. Significant differences in the consumption of food groups between the two populations represented by asterisks, based on analyses from mixed models with fixed effects.
© Copyright Policy
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4584993&req=5

Figure 3: The percentage of households consuming each of the 10 food groups in the diet diversity score on a daily basis in the treatment and comparison populations, respectively. Significant differences in the consumption of food groups between the two populations represented by asterisks, based on analyses from mixed models with fixed effects.
Mentions: One particular food item or food group does not explain the differences observed in diet diversity between treatment and comparison households. Instead, the difference is related to the treatment households’ higher average consumption of several food groups. Starchy staples, beans and peas, Vitamin A fruits and vegetables, and other vegetables are the most frequently consumed food groups in both populations (Figure 3; Table S3 in Supplementary Material). However, treatment households consume the following food groups significantly more frequently on a daily basis: starchy staples, nuts and seeds, dairy, flesh foods, Vitamin A fruits and vegetables, and other fruits (Figure 3; Table S3 in Supplementary Material). In the context of the local situation, where nuts and seeds, flesh foods, green leafy vegetables, and eggs are among the least consumed items in general (Table S3 in Supplementary Material), this higher consumption of a variety of food groups by households with a biogas cook stove can add important nutritional diversity to the diet.

Bottom Line: Published research on these technologies focuses on their potential to reduce indoor air pollution and improve respiratory health.We compare treatment households who are supplied with a biogas cook stove with comparison households who do not have access to these stoves, while controlling for several socio-economic factors.To inform development investments and ensure these co-benefits, we argue that multiple dimensions of sustainability should be considered in evaluating the impact of alternative cook stoves.

View Article: PubMed Central - PubMed

Affiliation: Environmental Defense Fund , San Francisco, CA , USA.

ABSTRACT
Alternative cook stoves that replace solid fuels with cleaner energy sources, such as biogas, are gaining popularity in low-income settings across Asia, Africa, and South America. Published research on these technologies focuses on their potential to reduce indoor air pollution and improve respiratory health. Effects on other cooking-related aspects, such as diets and women's time management, are less understood. In this study, in southern India, we investigate if using biogas cook stoves alters household diets and women's time management. We compare treatment households who are supplied with a biogas cook stove with comparison households who do not have access to these stoves, while controlling for several socio-economic factors. We find that diets of treatment households are more diverse than diets of comparison households. In addition, women from treatment households spend on average 40 min less cooking and 70 min less collecting firewood per day than women in comparison households. This study illustrates that alongside known benefits for respiratory health, using alternative cook stoves may benefit household diets and free up women's time. To inform development investments and ensure these co-benefits, we argue that multiple dimensions of sustainability should be considered in evaluating the impact of alternative cook stoves.

No MeSH data available.