Using logistic regression to describe the length of breastfeeding: a study in Guadalajara, Mexico.
J Hum Lact
; 14(4): 297-303, 1998 Dec.
Article
em En
| MEDLINE
| ID: mdl-10205448
ABSTRACT
PIP: This study describes the pattern of breast-feeding duration in Guadalajara, Mexico, in 1993, using a logistic regression model. A multistage random sample of children under 1 year of age (n = 1036) was studied; observational data regarding breast-feeding duration, obtained through a "status quo" procedure, were compared with prevalence rates obtained from the logistic regression model. Modeling the duration of breast-feeding during the first year of life rather than only analyzing observational data helps researchers to understand this process in a dynamic and quantitative way. For example, uncommon indicators of breast-feeding were derived from the model. These indicators are impossible to obtain from observational data. The prevalence curve estimated through the logistic model was adequately fitted to observe data: there were no significant differences between the number or distribution of breast-fed infants observed and those predicted by the model. Moreover, the model revealed that less than 40% of the children were breast-fed in the fourth month of life. The median age for weaning was 39.3 days and about 55% of potential breast-feeding in the first 4 months did not occur. Lastly, the highest abandonment of breast-feeding in the first 4 months was observed in the first 60 days. Thus, logistic regression seems a suitable option to construct a population-based model that describes breast-feeding duration during the first year of life.
Palavras-chave
Americas; Breast Feeding; Cohort Analysis; Data Analysis; Developing Countries; Health; Infant Nutrition; Latin America; Logistic Model; Mathematical Model; Methodological Studies; Mexico; Models, Theoretical; North America; Nutrition; Research Methodology; Research Report; Sampling Studies; Statistical Regression; Studies
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Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Aleitamento Materno
/
Modelos Logísticos
/
Interpretação Estatística de Dados
Tipo de estudo:
Observational_studies
/
Prevalence_studies
/
Prognostic_studies
/
Risk_factors_studies
Limite:
Adult
/
Child, preschool
/
Female
/
Humans
/
Infant
/
Newborn
País/Região como assunto:
Mexico
Idioma:
En
Revista:
J Hum Lact
Assunto da revista:
ENFERMAGEM
/
OBSTETRICIA
Ano de publicação:
1998
Tipo de documento:
Article
País de afiliação:
México
País de publicação:
Estados Unidos