Journal
PUBLIC HEALTH NUTRITION
Volume 16, Issue 2, Pages 296-304Publisher
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S1368980012002595
Keywords
Infant feeding; Complementary food; Infant formula; Sociodemographic determinants
Funding
- Academy of Finland [63672, 79685, 79686, 80846, 201988, 210632]
- Finnish Diabetes Association
- Finnish Diabetes Research Foundation
- Finnish Pediatric Research Foundation
- Hame Foundation of the Finnish Culture Fund
- Juho Vainio Foundation
- Yrjo Jahnsson Foundation
- Medical Research Funds of Turku
- Oulu University Hospitals
- Tampere University Hospital
- JDRF [197032, 4-1998-274, 4-1999-731, 4-2001-435]
- Novo Nordisk Foundation
- EU Biomed 2 Program [BMH4-CT98-3314]
- Academy of Finland (AKA) [210632, 210632] Funding Source: Academy of Finland (AKA)
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Objective: To assess the most important sociodemographic determinants of age at introduction of complementary foods in infancy. Design: A prospective birth cohort with increased risk of type 1 diabetes, recruited between 1996 and 2004. The families completed at home a follow-up form on the age at introduction of new foods and, for each clinic visit, a structured dietary questionnaire with 3 d food records. Setting: Data from the Type 1 Diabetes Prediction and Prevention (DIPP) Project, Finland. Subjects: A cohort of 5991 infants (77% of those invited) belonging to the DIPP Nutrition Study. Results: Sixty-three per cent of the infants were introduced to complementary foods, including infant formula, before the age of 4 months. The median age at introduction of infant formula was 1.5 months (range 0-18 months) and that of the first other complementary food 3.5 months (range 0.7-8 months). All sociodemographic and lifestyle factors studied were associated with the age at introduction of infant formula and/or first other complementary food. Female sex of the infant, being born in the southern region of Finland, living in a rural municipality, the presence of siblings, the mother or the father being a high-school graduate, high maternal professional education and maternal non-smoking during pregnancy predicted later introduction of complementary foods. Conclusions: Compliance was relatively poor with the current recommendations for the age of introducing complementary foods. Small-sized young families with less well-educated parents were most prone to introduce complementary foods early.
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