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Introduction Food inadequacies in the first 6 months of life are considered a global problem, with an emphasis on early complementary feeding introduction (CFI). This study aimed to identify the determinants of CFI. Methods A birth cohort study (N = 641). Data on infant feeding was collected before 30 days, and at 2, 4, and 6 months of age and, at baseline, data regarding socioeconomic status, demographics, maternal and infant health, obstetric history, and infant care. The hypothesis was that the risk determinants for early CFI vary according to the type of food and the age range of this introduction. Twelve Cox regression models were fit with four outcomes (formula; other types of milk; other beverages; and solid/semi-solid foods) considering three different age ranges of the infant at their introduction (< 2 months, 2-4 months, and 4-6 months). Results The introduction of the four food groups analyzed was early (median ages of introduction: formulas = 45 days; other milks = 135 days; other beverages = 120 days; solids and semi-solids = 135 days). The determinants that increased the risk of introducing formulas before 2 months were: primiparity, employed without maternity leave, mothers with unsatisfactory prenatal counseling and those who had cesarean sections. Not living with a partner, infant pacifier use at 2 months of age had a higher risk of introducing formula between 2 and 4 months of age. Non-white skin color, more than 35 years old, low maternal education, and lower family income increased the risk of introducing other types of milk between 2 and 4 months of age. Between 4 and 6 months of age, adolescent and low education level mothers had a higher risk of introducing other types of milk, unemployed was a protective factor against the introduction of other foods and beverages in this age group. Conclusions The determinants of early CFI varied according to the type of food and the age of introduction., Author(s): Maiara Aparecida Mialich Almeida [sup.1] [sup.3] , Sinara Laurini Rossato [sup.2] , Anna Paula Ferrari [sup.1] , Caroline de Barros Gomes [sup.2] , Vera Lúcia Pamplona Tonete [sup.1] , [...]

Objectives: to identify variables associated with the presence of a companion in the delivery room and its association with breastfeeding (BF) in the first hour of life. Methods: cross-sectional analysis of data from a cohort study (n=344). To investigate the factors associated with the presence of a companion during childbirth and breastfeeding in the first hour; we performed Poisson regression analyses, considering p<0.05 as the level of statistical significance. Results: 93.9% of the pregnant women had a companion in the delivery room, and no association was found between socioeconomic, obstetric and neonatal characteristics of the mother-child binomial and the presence of a companion. In a univariate analysis, the absence of a companion reduced the frequency of breastfeeding in the first hour (PR=0.64; CI95%=0.42-0.96), a result that was not confirmed in the adjusted analyses (PR=0.79; CI95%=0.54-1.15). Secondly, it was identified that the five minutes Apgar score was associated with first hour breastfeeding (PR=1.27; CI95%=1.14-1.40) regardless of the other factors. Conclusions: most women in the cohort had a companion in the delivery room, with no differences according to socioeconomic, obstetric and neonatal variables. The frequency of first hour breastfeeding was high; however, it was lower in the absence of a companion but this association was not independent of other factors. [ABSTRACT FROM AUTHOR]

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Copyright of Brazilian Journal of Mother & Child Health (BJMCH) / Revista Brasileira de Saude Materno Infantil (RBSMI) is the property of Instituto de Medicina Integral and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Revista Ciência & Saúde Coletiva is the property of Associacao Brasileira de Pos-Graduacao em Saude Coletiva and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Introduction: Food inadequacies in the first year of life are considered a global problem, especially the introduction of extremely palatable ultraprocessed foods (UPFs) with low nutritional value to infant diets. Objective: To identify sociodemographic differences related to the median age of introduction of UPFs in the first year of life in a cohort of infants. Methods: Prospective cohort study collecting data on the diet of 641 babies during their first year of life through face-to-face and telephone interviews. Socioeconomic and demographic data were obtained at the baseline. The UPFs were grouped according to their nature, composition and purpose of consumption. The median ages at onset of the UPF groups were estimated by Kaplan-Meier survival curves using the Log Rank test (Mantel-Cox) with p <0.05 as the critical value to determine significant differences in median ages according to sociodemographic variables. Results: Nonwhite mothers introduced sandwich cookies, snacks, and ultra-processed sweetened drinks 25 days earlier than white mothers; adolescents offered ultra-processed sweetened and ultra-processed dairy drinks 120 days earlier than adults. Absence of a partner led to the lowest median age of introduction of the "margarine and spreads" group. Primiparas introduced ultra-processed sweetened drinks, milk flours, children's cereals and powdered chocolate earlier, with a median age of 190 and 290 days, respectively. Conclusions: There were sociodemographic differences in the age of introduction of UPFs, with unfavorable results for infants whose mothers were non-white, adolescents, primiparous and did not live with a partner. [ABSTRACT FROM AUTHOR]

Copyright of Cadernos de Saude Publica is the property of Escola Nacional de Saude Publica Sergio Arouca and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)