Weight Loss Management and Lifestyle Changes during COVID-19 Lockdown: A Matched Italian Cohort Study

Ramona De Amicis; Andrea Foppiani; Letizia Galasso; Angela Montaruli; Eliana Roveda; Fabio Esposito; Alberto Battezzati; Simona Bertoli; Alessandro Leone

Weight Loss Management and Lifestyle Changes during COVID-19 Lockdown: A Matched Italian Cohort Study

Ramona De Amicis; Andrea Foppiani; Letizia Galasso; Angela Montaruli; Eliana Roveda; Fabio Esposito; Alberto Battezzati; Simona Bertoli; Alessandro Leone

During the COVID-19 lockdown, lifestyle deterioration had a negative impact on weight, and yet no study has focused on patients already undergoing dietary therapy. We performed a cohort study among adults to evaluate the effect of lockdown on weight loss programs, and we investigated changes in eating habits and chronotype. We matched confined cases with non-confined cases among individuals who followed the same diet in 2017&ndash:2019. At baseline, all patients underwent a clinical examination and completed questionnaires on lifestyle. At follow-up, patients of the confined group were interviewed by a web call, and questionnaires were re-evaluated. We recruited 61 patients. The confined sample was mainly composed of middle-aged (52 (43,58) years) females (46 (75%)) with overweight (27 (44%)) or obesity (24 (39%)) and a moderate physical activity level (48 (81%)). Body weight at follow-up was significantly higher (1.1 (95% CI: 0.14, 2.1) kg) in the confined group adjusting for all matching variables. Adherence to the Mediterranean diet and eating behavior generally improved. Concerning chronotype, patients differentiated from Neither-types to Evening- and Morning-types. A well-monitored dietary therapy maintains weight loss during lockdown. Improvement in eating habits was observed: however, a shift of the circadian typology occurred.

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