This study compared the prevalence of concentrated urine (urine specific gravity ≥1.021), an indicator of hypohydration, across Tsimane' hunter‐forager‐horticulturalists living in hot‐humid lowland Bolivia and Daasanach agropastoralists living in hot‐arid Northern Kenya. It tested the hypotheses that household water and food insecurity would be associated with higher odds of hypohydration.

中文翻译：

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湿热和干热环境中两个小规模种群的水分不安全、热量指数和泌乳状况

本研究比较了生活在炎热潮湿的玻利维亚低地的 Tsimane 的狩猎-觅食者-园艺家和生活在炎热干旱的肯尼亚北部的 Daasanach 农牧民的浓缩尿液（尿液比重≥1.021）的患病率，这是脱水的指标。它检验了家庭用水和粮食不安全与较高的缺水几率相关的假设。