Feeding Method and Motor Activity in 3-Month-Old Human Infants

Worobey, John

doi:10.2466/pms.1998.86.3.883

Cited by 17 publications

(12 citation statements)

References 47 publications

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“…With this in mind, it is not surprising that more challenging temperaments were seen in breastfed infants at age three months in our study. However, previous studies among three-month-old infants found no associations between breastfeeding and infant temperament [12], [14], [16]. This discrepancy could be due to the larger sample size of our study; those earlier studies each involved less than 60 infants.…”

Section: Discussioncontrasting

confidence: 73%

“…It is possible that continuing difficult temperament in some breastfed infants may contribute to the steady decline in breastfeeding prevalence with increasing infant age. However, previous small studies failed to show any relationship between breastfeeding and infant temperament assessed at age three months by infant behaviour questionnaires or direct observation of mother-infant interaction [12], [14], [15], [16]. Furthermore, in an observational comparison between the control groups of a randomised controlled trial, temperament did not differ between older breastfed or formula-fed infants at age six to twelve months old [17].…”

Section: Introductionmentioning

confidence: 79%

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Breastfeeding and Infant Temperament at Age Three Months

et al. 2012

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Background & MethodsTo examine the relationship between breastfeeding and maternally-rated infant temperament at age 3 months, 316 infants in the prospective Cambridge Baby Growth Study, UK had infant temperament assessed at age 3 months by mothers using the Revised Infant Behavior Questionnaire, which produces scores for three main dimensions of temperament derived from 14 subscales. Infant temperament scores were related to mode of infant milk feeding at age 3 months (breast only; formula milk only; or mixed) with adjustment for infant's age at assessment and an index of deprivation.ResultsInfant temperament dimension scores differed across the three infant feeding groups, but appeared to be comparable between exclusive breast-fed and mixed-fed infants. Compared to formula milk-fed infants, exclusive breast-fed and mixed-fed infants were rated as having lower impulsivity and positive responses to stimulation (adjusted mean [95% CI] “Surgency/Extraversion” in formula-fed vs. mixed-fed vs. breast-fed groups: 4.3 [4.2–4.5] vs. 4.0 [3.8–4.1] vs. 4.0 [3.9–4.1]; p-heterogeneity = 0.0006), lower ability to regulate their own emotions (“Orienting/Regulation”: 5.1 [5.0–5.2], vs. 4.9 [4.8–5.1] vs. 4.9 [4.8–5.0]; p = 0.01), and higher emotional instability (“Negative affectivity”: 2.8 [2.6–2.9] vs. 3.0 [2.8–3.1] vs. 3.0 [2.9–3.1]; p = 0.03).ConclusionsBreast and mixed-fed infants were rated by their mothers as having more challenging temperaments in all three dimensions; particular subscales included greater distress, less smiling, laughing, and vocalisation, and lower soothability. Increased awareness of the behavioural dynamics of breastfeeding, a better expectation of normal infant temperament and support to cope with difficult infant temperament could potentially help to promote successful breastfeeding.

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Section: Discussioncontrasting

confidence: 73%

Section: Introductionmentioning

confidence: 79%

Breastfeeding and Infant Temperament at Age Three Months

et al. 2012

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“…Mothers' milk differs substantially from formula in many respects, including essential fatty acid constituents. In particular, the essential fatty acid docosahexanoic acid (DHA), which is present in breast milk but absent in formula, has been implicated in a variety of neurodevelopmental variables, including cognitive and educational achievement [Horwood & Fergusson, 1998], visual acuity and attention [Reisbick et al, 1997], and (potentially) motor activity [Worobey, 1998], to name a few. However, nursery-reared rhesus infants fed a DHA-supplemented formula show similar cortisol and ACTH values to infants fed a standard formula [Champoux, unpub.…”

Section: Discussionmentioning

confidence: 99%

Rearing condition and plasma cortisol in rhesus monkey infants

Shannon¹,

Champoux²,

Suomi³

1998

Am. J. Primatol.

159

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“…Também examinamos, no modelo, se padrões de transição de comportamento alimentar poderiam estar associados com o desfecho, utilizando a idade do abandono da mamadeira como indicador desse processo. Embora não tenha havido associação no modelo ajustado, alguns estudos têm sugerido que a transição tardia para alimentação sólida e o desmame precoce poderiam contribuir para um padrão menos ativo entre os lactentes, mostrando, no entanto, resultados discrepantes e inconclusivos 18,19 .…”

Section: Discussionunclassified

Multivariate hierarchical model for physical inactivity among public school children

Bracco¹,

Colugnati²,

Pratt³

et al. 2006

J Pediatr (Rio J)

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Objective: To identify biological and sociodemographic factors associated with physical inactivity in public school children.Methods: Parents of 2,519 children (49.3% of whom were girls), aged 7 to 10 years (mean = 7.6±0.9 years), from eight public schools in São Paulo, Brazil, completed a self-administered questionnaire. We used multiple correspondence analysis to identify groups of responses related to levels of physical activity and inactivity and to obtain an optimal scale. The cluster analysis identified groups of active and inactive children. The analysis of the receiver operator characteristic (ROC) curve, for the study of diagnostic properties of a simplified scale for physical inactivity derived from the optimal scale, revealed that a cutoff point of 3 had the best sensitivity and specificity, being therefore used as the outcome variable in the regression model. A multivariate hierarchical model was built, including distal and proximal categorical variables, with a p < 0.05.Results: Physical inactivity was positively associated with biological factors such as being overweight, being older than 7.5 years, being a female, and having a good appetite, and with socioeconomic factors such as having garbage collected less than twice a week and having mothers who work outside the home. Conclusion:The results are consistent with published data about determinant factors of physical activity and inactivity among children, showing that questionnaires answered by parents and submitted to a sophisticated statistical analysis can be used in population-based studies involving children younger than 10 years old.J Pediatr (Rio J). 2006;82(4):302-7: Physical activity, schools, questionnaires, children. ResumoObjetivo: Identificar fatores biológicos e sociodemográficos atribuíveis à inatividade física em crianças de escolas públicas.Métodos: Foram estudadas, através de questionário auto-relatado pelos pais, 2.519 crianças (49,3% meninas), de 7 a 10 anos (média = 7,6±0,9 anos), de oito escolas públicas da cidade de São Paulo. Aplicamos a análise de correspondência múltipla para identificar grupos de respostas relacionadas com padrões de atividade e inatividade física e a geração de uma escala ótima. A análise de agrupamento identificou os grupos de crianças ativas e inativas. A análise de curva ROC (receiver operator characteristic), para o estudo das propriedades diagnósticas de uma escala simplificada de inatividade física derivada da escala ótima, mostrou o ponto de corte = 3 como o de melhor sensibilidade e especificidade, sendo utilizado como a variável de resposta no modelo de regressão. Um modelo hierárquico multivariado foi construído, assumindo variáveis categóricas como distais e proximais, adotando-se p < 0,05.Resultados: A inatividade física foi positivamente associada aos fatores determinantes biológicos como sobrepeso, idade maior do que 7,5 anos, sexo feminino e bom apetite, e aos determinantes socioeconômicos como freqüência de coleta de lixo menor do que duas vezes por semana e mães que trabalham fo...

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Feeding Method and Motor Activity in 3-Month-Old Human Infants

Cited by 17 publications

References 47 publications

Breastfeeding and Infant Temperament at Age Three Months

Breastfeeding and Infant Temperament at Age Three Months

Rearing condition and plasma cortisol in rhesus monkey infants

Multivariate hierarchical model for physical inactivity among public school children

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