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Epidemiology and policy
P1-270 Small and large for gestational age children have different eating behaviours at 6 months of age
  1. A Oliveira1,2,
  2. E Pinto1,
  3. P Moreira3,
  4. A C Santos1,2,
  5. H Barros1,2,
  6. C Lopes1,2
  1. 1Public Health Institute of the University of Porto Medical School, Porto, Portugal
  2. 2Department of Hygiene and Epidemiology of the University of Porto Medical School, Porto, Portugal
  3. 3Faculty of Nutrition and Food Sciences of the University of Porto, Porto, Portugal

Abstract

Aim To relate eating behaviours at 6 months of age with weight for gestational age at birth.

Methods Study subjects belong to a population-based birth cohort assembled in Porto, Portugal (Generation XXI, n=8666). A sub-cohort of 1562 newborns was re-evaluated at 6 months and 1227 singletons presented data on variables of interest. Data were gathered by trained interviewers. Mother answered a questionnaire on socio-demographic, clinical and behavioural characteristics. Small for gestational age (SGA) and large for gestational age (LGA) were defined as <10th and >90th percentile, respectively, of sex-specific Kramer growth charts. OR and 95% CIs were obtained from unconditional logistic regression, after adjustment for sex, mother's age, education and pre-pregnancy body mass index, maternal smoking during pregnancy, and breastfeeding.

Results Approximately 15% of children were SGA and 4% were LGA. Compared to adequate for gestational age children, SGA had more frequently mothers reporting difficulties in feeding at 6 months (OR=1.52, 95% CI 1.01 to 2.31) and eating small quantities each time (OR=1.78, 95% CI 1.27 to 2.49). LGA children had also more feeding difficulties (OR=2.26, 95% CI 1.10 to 4.63) and a higher probability of refusing solid foods (OR=2.21, 95% CI 1.02 to 4.80). No associations were found neither with eating slowly, being angry at the meals' end, choke with food and spitting up milk, nor a later weaning or inclusion of fruits and vegetables as first foods.

Conclusions Both SGA and LGA children presented more feeding difficulties at 6 months of age, and LGA was associated with neophobia to solid foods.

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