Journal
PUBLIC HEALTH NUTRITION
Volume 24, Issue 12, Pages 3905-3915Publisher
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S1368980021000999
Keywords
COVID-19; Lockdown; Dietary changes; Ultra-processed food; Diet quality
Funding
- Lombardy Region (DG-Welfare) [7082/2020]
- AXA Research Fund (Mitigating risk in the wake of the Covid-19 Pandemic)
- Italian Ministry of Health [CF RETE CARDIO-RCR-2020-23670065]
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During the first Italian lockdown, around 40% of the population increased their intake of ultra-processed foods. Adults and individuals from southern regions were more likely to decrease ultra-processed food intake, while increased exercise and weight loss were associated with lower consumption of ultra-processed foods.
Objective: To evaluate changes in ultra-processed food (UPF) intake and its major correlates during the first Italian lockdown (9 March-3 May 2020). Design: Retrospective observational study. Setting: Italy. Participants: We analysed 2992 subjects (mean age 57 center dot 9 +/- 15 center dot 3 years, 40 center dot 4 % men). Individual participant data were pooled from two retrospective cohorts: (1) The Moli-LOCK cohort consists of 1501 adults, a portion of the larger Moli-sani study (n 24 325; 2005-2010) who were administered a phone-based questionnaire to assess lifestyles and psychological factors during confinement and (2) the Analysis of Long Term Risk of Covid-19 Emergency is a web-based survey of 1491 individuals distributed throughout Italy who self-responded to the same questionnaire by using Google forms. UPF was defined according to NOVA classification based on degree of food processing. An UPF score was created by assigning 1 point to increased consumption, -1 to decreased and 0 point for unchanged intakes of nineteen food items, with higher values indicating an increase in UPF during confinement. Results: Overall, 37 center dot 5 % of the population reported some increase in UPF (UPF score >= 1). Adults were more likely to decrease UPF (multivariable regression coefficient beta = -1 center dot 94; 95 % CI -2 center dot 72, -1 center dot 17 for individuals aged >75 years as compared with 18-39 years) as did individuals from southern Italian regions as compared with Northern inhabitants (beta = -1 center dot 32; 95 % CI -1 center dot 80, -0 center dot 84), while UPF lowering associated with increased exercise (beta = -0 center dot 90; 95 % CI -1 center dot 46, -0 center dot 35) and weight loss (beta = -1 center dot 05; 95 % CI -1 center dot 51, -0 center dot 59) during confinement. Conclusions: During the first Italian lockdown, about 40 % of our population switched to unfavourable eating as reflected by increased UPF intake and this may have long-term effects for health.
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