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1.
Matern Child Nutr ; 14(4): e12611, 2018 10.
Article in English | MEDLINE | ID: mdl-29693777

ABSTRACT

The aim was to describe milk feeding patterns and first weaning foods during the first year of life in a large prospective birth cohort of infants with increased genetic risk for Type 1 diabetes (T1D) recruited in 4 different countries: the United States, Finland, Germany, and Sweden. All enrolled children with dietary information (n = 8,673) were included in the analyses; 1,307 (15%) children who dropped out before the first birthday were excluded from some analyses. Supplementary milk feeding in the first 3 days of life was common in all the four countries, although the type of the supplementary milk differed by country and by maternal T1D. Donated human milk was commonly used only in Finland. In all the countries, the most common first supplementary food was cow's milk-based infant formula, especially among offspring of mothers with T1D. The use of specific types of infant formulas differed notably by country: Extensively hydrolysed formulas were most used in Finland, partially hydrolysed ones in the United States and in Germany, and soy formulas only in the United States. Infant formulas commonly included probiotics, prebiotics, and starches. During the first year of life, most of the infants received conventional cow's milk. Overall, milk feeding during the first 3 days of life and thereafter until the first birthday differed markedly by maternal T1D status and across countries. These descriptive data may be useful in understanding early infant feeding practices and in planning potential interventions, which affect infant feeding.


Subject(s)
Diabetes Mellitus, Type 1/epidemiology , Feeding Behavior , Infant Formula/statistics & numerical data , Milk/statistics & numerical data , Animals , Europe/epidemiology , Humans , Infant , Infant, Newborn , Mothers/statistics & numerical data , Prospective Studies , United States/epidemiology
2.
Public Health Nutr ; 19(5): 804-13, 2016 Apr.
Article in English | MEDLINE | ID: mdl-26088478

ABSTRACT

OBJECTIVE: Non-compliance with food record submission can induce bias in nutritional epidemiological analysis and make it difficult to draw inference from study findings. We examined the impact of demographic, lifestyle and psychosocial factors on such non-compliance during the first 3 years of participation in a multidisciplinary prospective paediatric study. DESIGN: The Environmental Determinants of Diabetes in the Young (TEDDY) study collects a 3 d food record quarterly during the first year of life and semi-annually thereafter. High compliance with food record completion was defined as the participating families submitting one or more days of food record at every scheduled clinic visit. SETTING: Three centres in the USA (Colorado, Georgia/Florida and Washington) and three in Europe (Finland, Germany and Sweden). SUBJECTS: Families who finished the first 3 years of TEDDY participation (n 8096). RESULTS: High compliance was associated with having a single child, older maternal age, higher maternal education and father responding to study questionnaires. Families showing poor compliance were more likely to be living far from the study centres, from ethnic minority groups, living in a crowded household and not attending clinic visits regularly. Postpartum depression, maternal smoking behaviour and mother working outside the home were also independently associated with poor compliance. CONCLUSIONS: These findings identified specific groups for targeted strategies to encourage completion of food records, thereby reducing potential bias in multidisciplinary collaborative research.


Subject(s)
Bias , Diet Records , Patient Compliance , Adolescent , Child , Child, Preschool , Colorado , Family Characteristics , Female , Finland , Florida , Georgia , Germany , Humans , Infant , Life Style , Male , Nutrition Assessment , Prospective Studies , Risk Factors , Surveys and Questionnaires , Sweden , Washington
3.
Public Health Nutr ; 16(8): 1390-402, 2013 Aug.
Article in English | MEDLINE | ID: mdl-23452986

ABSTRACT

OBJECTIVES: The aim of the present study was to examine the prevalence and associated factors of dietary supplement use, particularly supplements containing vitamin D and fatty acids, in pregnant women enrolled in a multi-national study. DESIGN: The Environmental Determinants of Diabetes in the Young (TEDDY) study is a prospective longitudinal cohort study. Maternal dietary supplement use was self-reported through questionnaires at month 3 to 4 postpartum. SETTING: Six clinical research centres; three in the USA (Colorado, Georgia/Florida and Washington) and three in Europe (Sweden, Finland and Germany). SUBJECTS: Mothers (n 7326) to infants screened for high-risk HLA-DQ genotypes of type 1 diabetes. RESULTS: Ninety-two per cent of the 7326 women used one or more types of supplement during pregnancy. Vitamin D supplements were taken by 65% of the women, with the highest proportion of users in the USA (80.5 %). Overall, 16% of the women reported taking fatty acid supplements and a growing trend was seen in all countries between 2004 and 2010 (P,0.0001). The use was more common in Germany (32 %) and the USA (24 %) compared with Finland (8.5%) and Sweden (7.0 %). Being pregnant with the first child was a strong predictor for any supplement use in all countries. Low maternal age (<25 years), higher education, BMI<=25.0 kg/m2 and smoking during pregnancy were factors associated with supplement use in some but not all countries. CONCLUSIONS: The majority of the women used dietary supplements during pregnancy. The use was associated with sociodemographic and behavioural factors, such as parity, maternal age, education, BMI and maternal smoking.


Subject(s)
Dietary Supplements/statistics & numerical data , Fatty Acids/administration & dosage , Pregnancy , Vitamin D/administration & dosage , Adult , Europe , Female , Humans , Longitudinal Studies , Maternal Nutritional Physiological Phenomena , Nutrition Surveys , Postpartum Period/drug effects , Prospective Studies , Socioeconomic Factors , Surveys and Questionnaires , United States , Women's Health
4.
Diabetes Care ; 40(3): 398-404, 2017 Mar.
Article in English | MEDLINE | ID: mdl-28096222

ABSTRACT

OBJECTIVE: Studies on the introduction of infant formulas and its effect on the risk of islet autoimmunity and type 1 diabetes (T1D) have yielded inconsistent results. We investigated whether the introduction of formula based on hydrolyzed cow's milk as the first formula is associated with reduced islet autoimmunity risk in a large prospective cohort. RESEARCH DESIGN AND METHODS: The Environmental Determinants of Diabetes in the Young (TEDDY) study prospectively monitors 8,676 children at increased genetic risk for T1D. Autoantibodies to insulin, GAD65, and IA2 were measured regularly to define islet autoimmunity. Information on formula feeding was collected by questionnaires at 3 months of age. RESULTS: In survival analyses, after adjustment for family history with T1D, HLA genotype, sex, country, delivery mode, breast-feeding ≥3 months, and seasonality of birth, we observed no significant association with islet autoimmunity in infants who received extensively hydrolyzed compared with nonhydrolyzed cow's milk-based formula as the first formula during the first 3 months (adjusted hazard ratio 1.38 [95% CI 0.95; 2.01]), and a significantly increased risk for extensively hydrolyzed formula introduced during the first 7 days (adjusted hazard ratio 1.57 [1.04; 2.38]). Using a partially hydrolyzed or other formula as the first formula, or no formula, was not associated with islet autoimmunity risk. CONCLUSIONS: These results add to the existing evidence that islet autoimmunity risk is not reduced, and may be increased, by using hydrolyzed compared with nonhydrolyzed cow's milk-based infant formula as the first formula in infants at increased genetic risk for T1D.


Subject(s)
Autoimmunity , Diabetes Mellitus, Type 1/etiology , Diabetes Mellitus, Type 1/immunology , Infant Formula/chemistry , Animals , Autoantibodies/blood , Breast Feeding , Cattle , Diabetes Mellitus, Type 1/genetics , Endpoint Determination , Female , Follow-Up Studies , Genetic Predisposition to Disease , Humans , Infant , Insulin/blood , Male , Milk , Prospective Studies , Risk Factors
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