ArticlePublic health nutrition2026
The cost of a healthy diet and its association with BMI in crisis-stricken Lebanon.
Article in Public health nutrition, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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4 authors.
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Abstract
objectivesThis study aimed to determine the prevalence of Lebanese adults living with underweight, overweight or obesity, assess and compare the cost of the Mediterranean Diet (MD) with that of the current dietary consumption pattern and explore diet cost as a determinant of living with underweight, overweight or obesity.
designData for this nationally representative cross-sectional study were collected through sociodemographic questionnaires, anthropometric measurements, the Arab Family Food Security Scale and dietary assessments using a validated FFQ and 24-h recalls. Diet costs were calculated based on 2023 market prices using purchasing power parity. Logistic regression was used to assess associations with BMI.
settingLebanon, using data representative of the Lebanese adults' population.
participants444 Lebanese residents aged 18-64 years.
resultsOverall, 66·2 % of the participants were living with underweight (4·3 %), overweight (37·8 %) or obesity (24·1 %). On average, the cost of following MD ranged from Intl.$ 23·36 to Intl.$ 26·49/person/d, whereas a Lebanese adult spent Intl.$ 20·46 on consumption. Only 31·1 % of participants spent an amount equal to or greater than the minimum MD cost (Intl. $23·36/d). Participants who meet or exceed this threshold were 1·59 times more likely to be living with a healthy weight (aOR = 1·59,
conclusionsThe high prevalence of Lebanese adults living with underweight, overweight or obesity is compounded by the unaffordability of a healthy MD. Improving the affordability of nutritious foods is crucial to promoting healthier dietary patterns and achieving better weight outcomes. Public health strategies should include economic, behavioural and policy-level interventions to enhance diet quality and affordability in crisis-affected populations.
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