Olive oil consumption and weight change: The SUN prospective cohort study |
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Authors: | M Bes-Rastrollo A Sánchez-Villegas C de la Fuente J de Irala J A Martínez M A Martínez-González |
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Affiliation: | (1) Department of Clinical Sciences, University of Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain;(2) Department of Physiology and Nutrition, University of Navarra, Pamplona, Spain;(3) Department of Preventive Medicine and Public Health, University of Navarra, C/ Irunlarrea n°1, 31080 Pamplona (Navarra), Spain |
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Abstract: | The aim of this dynamic prospective follow-up study was to assess the association between olive oil consumption and the likelihood
of weight gain or the incidence of overweight or obesity in a large Mediterranean cohort of 7,368 male and female Spanish
university graduates (the SUN Project) who were followed for a median period of 28.5 mon. A validated Food Frequency Questionnaire
was administered at baseline, and respondents also completed a follow-up questionnaire after 28.5 mon. Changes in participants'
consumption of olive oil and their weight were assessed during follow-up. A higher baseline consumption of olive oil was associated
with a lower likelihood of weight gain, although the differences were not statistically significant. The adjusted difference
in weight gain (kg) was −0.16 95% confidence interval (C1): −0.42 to +0.11] for participants in the upper quintile of olive
oil consumption (median: 46 g/d) compared with those in the lowest quintile (median: 6 g/d). For participants with a high
baseline consumption of olive oil whose olive oil consumption also increased during follow-up, we found a slightly increased
but nonsignificant risk of incidence of over-weight or obesity (adjusted odds ratio=1.19, 95% C1: 0.73 to 1.95). Our study,
carried out in a sample of free-living people, shows that a high amount of olive oil consumption is not associated with higher
weight gain or a significantly higher risk of developing overweight or obesity in the context of the Mediterranean food pattern. |
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