Public Health Nutrition · 10 authors, 6 centres
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This randomised controlled trial tested whether providing rural Peruvian women with free LPG stoves, fuel, and cooking messages changed their diet over one year. The intervention did not lead to any significant differences in daily energy, macronutrient, or sodium intake compared to women who continued using traditional biomass stoves.
Dietary energy, macronutrients, and sodium were assessed using 24-hour dietary recalls and 24-hour urine. The primary analysis used t-tests to compare average intake between arms at 6 and 12 months. No significant differences were found in energy intake (9292.4 kJ vs. 4.6 g; P = 0.79) between intervention and control groups at one year. The study concludes that this type of clean fuel intervention did not affect dietary or sodium intake in this low-socioeconomic-status population. Limitations include potential underreporting from self-reported dietary recalls and the lack of cost consideration for purchasing LPG.
