Abstract
Objective To compare changes in eating behaviors in response to two dietary interventions: one focusing on restrictive messages to limit consumption of high-fat foods (LOFAT) and the other one based on non-restrictive messages to increase consumption of fruits and vegetables (HIFV). Methods Sixty-eight overweight-obese postmenopausal women were randomly assigned to one of the two 6-month dietary interventions that included three group sessions and ten individual sessions with a dietitian. Anthropometric variables and eating behaviors were measured at baseline, 3 months and 6 months. Results Body weight decreased significantly in both groups at 6 months compared to baseline (LOFAT: −3.5 ± 2.9 kg; HIFV: −1.6 ± 2.9 kg). At 6 months, dietary restraint score was higher in the LOFAT group compared to the HIFV group (12.7 ± 4.2 vs 10.5 ± 4.9; p < 0.05). Disinhibition and hunger decreased significantly in the HIFV group after 6 months while only hunger decreased in the LOFAT group. Conclusion A weight loss approach based on increasing fruit and vegetable consumption leads to a significant weight loss and is associated with a decrease in disinhibition and hunger without any increase in dietary restraint.
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