The cross‐sectional association between a sustainable diet index and obesity among US adults
Main finding · ObesityResult — go to the resultOdds ratio 0.68 95% CI 0.58–0.79Authors' conclusion
More sustainable dietary patterns were inversely associated with obesity among US adults, supporting the potential of sustainable diets in preventing obesity.
Study context
- Population
- US adults, National Health and Nutrition Examination Survey (NHANES) 2007–2018; obesity defined as BMI ≥ 30 kg/m²
- Participants
- 25,262 adults
- Exposure
- Highest vs lowest quintile of sustainable diet index-US score
- Outcome
- Obesity (BMI ≥ 30 kg/m²)
Methodological detailsNHANES 2007–2018, multivariable-adjusted logistic regression
- NHANES 2007–2018
- Multivariable-adjusted logistic regression
Main finding
Obesity
Odds ratio
0.68
95% CI 0.58–0.79
P < 0.001
Q5vs Q1
OR 0.68 (95% CI 0.58–0.79); P < 0.001
As reported in the abstract
Observational data: associations, not effects.
Further findings
| Outcome | OR (95% CI) | P value | |
|---|---|---|---|
| Obesity, Q5vs Q1, womenWomen | 0.64 (0.53–0.77) | P < 0.0001 | |
| Obesity, Q5vs Q1, menMen | 0.74 (0.60–0.91) | P = 0.01 | |
| 0.512Odds ratio (log scale) |
- Obesity, Q5 vs Q1, women: p interaction = 0.04 (sex)
- Obesity, Q5 vs Q1, men: p interaction = 0.04 (sex)
Obesity prevalence and mean sustainable diet index-US (SDI-US) score · 2007–2018
- Obesity prevalence
- 38.2% (95% CI 37.0%-39.3%)
- Mean SDI-US score (range: 4.3-20.0)
- 13.2
Original publication
The cross‐sectional association between a sustainable diet index and obesity among US adults. Obesity (Silver Spring). Published 13 June 2023. doi:10.
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