Carmen Romero Ferreiro1,2, Cristina Martín-Arriscado Arroba1,2, Pilar Cancelas Navia1,2, David Lora Pablos1,2,3,4, Agustín Gómez de la Cámara1,2,3. 1. Scientific Support Unit (i+12), Hospital Universitario 12 de Octubre, Avenida de Córdoba, s/n, Madrid28041, Spain. 2. Spanish Clinical Research Network (SCReN), Madrid, Spain. 3. Consorcio de Investigación Biomédica en Red de epidemiología y salud pública (CIBEResp), Madrid, Spain. 4. Faculty of Statistics, Universidad Complutense de Madrid (UCM), Madrid, Spain.
Abstract
OBJECTIVE: To determine the association between ultra-processed food (UPF) intake and all-cause mortality in a representative sample of Spanish population. DESIGN: Prospective cohort design in which follow-up lasted from baseline (1991) to mortality date or 31 December 2017, whichever was first. Dietary information was collected using a validated frequency questionnaire and categorised following the NOVA classification according to the extent of food processing. The association between consumption of UPF and mortality was analysed using Cox models. Isoenergetic substitution models were constructed to compare the health effects of the NOVA groups. SETTING: Cohort from the Diet and Risk of Cardiovascular Diseases (CVD) in Spain (DRECE) study, representative of the Spanish population. PARTICIPANTS: Totally, 4679 subjects between 5 and 59 years old. RESULTS: Average consumption of UPF was 370·8 g/d (24·4 % of energy intake). After a median follow-up of 27 years, 450 deaths occurred. Those who consumed the highest amount of UPF had higher risk of mortality. For every 10 % of the energy intake from UPF consumption, an increase of 15 % in the hazard of all-cause mortality was observed (HR 1·15; (95 % CI 1·03, 1·27); P-value = 0·012). Substitution of UPF with minimally processed foods was significantly associated with a decreased risk of mortality. CONCLUSIONS: An increase in UPF consumption was associated with higher risk of all-cause mortality in a representative sample of the Spanish population. Moreover, the theoretical substitution of UPF with unprocessed or minimally processed foods leads to a decrease in mortality. These results support the need to promote diets based on unprocessed or minimally processed foods.
OBJECTIVE: To determine the association between ultra-processed food (UPF) intake and all-cause mortality in a representative sample of Spanish population. DESIGN: Prospective cohort design in which follow-up lasted from baseline (1991) to mortality date or 31 December 2017, whichever was first. Dietary information was collected using a validated frequency questionnaire and categorised following the NOVA classification according to the extent of food processing. The association between consumption of UPF and mortality was analysed using Cox models. Isoenergetic substitution models were constructed to compare the health effects of the NOVA groups. SETTING: Cohort from the Diet and Risk of Cardiovascular Diseases (CVD) in Spain (DRECE) study, representative of the Spanish population. PARTICIPANTS: Totally, 4679 subjects between 5 and 59 years old. RESULTS: Average consumption of UPF was 370·8 g/d (24·4 % of energy intake). After a median follow-up of 27 years, 450 deaths occurred. Those who consumed the highest amount of UPF had higher risk of mortality. For every 10 % of the energy intake from UPF consumption, an increase of 15 % in the hazard of all-cause mortality was observed (HR 1·15; (95 % CI 1·03, 1·27); P-value = 0·012). Substitution of UPF with minimally processed foods was significantly associated with a decreased risk of mortality. CONCLUSIONS: An increase in UPF consumption was associated with higher risk of all-cause mortality in a representative sample of the Spanish population. Moreover, the theoretical substitution of UPF with unprocessed or minimally processed foods leads to a decrease in mortality. These results support the need to promote diets based on unprocessed or minimally processed foods.
Entities:
Keywords:
All-cause mortality; Isoenergetic substitution; NOVA classification; Ultra-processed food
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