Effects of Feeding Method on Infant Temperament

Worobey, John

doi:10.1016/s0065-2407(08)60299-2

Cited by 13 publications

(13 citation statements)

References 69 publications

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“…This differential responding indicates that our test procedure was effective in eliciting their attention and is consistent with previous reports suggesting an "orienting reaction" to the test stimulus (McDonnell et al, 1989;Worobey, 1993). That breastfeeding can have an immediate effect on how the infants interact with their surrounds was also demonstrated.…”

Section: Discussionsupporting

confidence: 91%

“…Consistent with previous reports (McDonnell et al, 1989;Worobey, 1993), the infants' behaviors differed when the mobile was activated. That is, there were significant main effects for mobile status for both arm, F(1, 10) ϭ 26.4, p ϭ 0.0004, and leg, F(1, 10) ϭ 9.0, p ϭ 0.013, movements.…”

Section: Limb Movementssupporting

confidence: 91%

“…A mobile was used to assess the 4-to 6-month-old infants' interaction with environmental stimuli because previous research has shown that for infants in this age range, an activated mobile can effectively engage their attention (Rovee-Collier, Earley, & Stafford, 1989) and elicit an "orienting reaction" (i.e., decrease limb movements; McDonnell, Corkum, & Wilson, 1989;Worobey, 1993). Using methods similar to that reported by McDonnell et al (1989) and Worobey (1993), we videotaped infants when they were presented with a mobile that was alternately switched on and off while objectively measuring their activity via actigraph units (i.e., miniature motion detectors) that were placed on the infants' limbs. Each infant was tested immediately before breastfeeding on one testing day and after breastfeeding on the other (see Figure 1).…”

Section: Figurementioning

confidence: 99%

“…Only breastfed infants who were fed on demand were eligible for this study because the method of feeding (i.e., breast vs. formula feeding) and type of feeding schedule (i.e., infants fed on demand vs. a fixed schedule) can affect the infants' activity (Bell, 1966;Gaensbauer & Emde, 1973;Marquis, 1941;Worobey, 1993). The mothers (7 primiparous, 6 multiparous) ranged in age from 17 to 41 years (Mean Ϯ SEM ϭ 29.2 Ϯ 2.0) and their infants (6 girls, 7 boys) ranged in age from 91 to 163 days (Mean Ϯ SEM ϭ 122.9 Ϯ 5.3).…”

Section: Subjectsmentioning

confidence: 99%

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Short-term influence of breastfeeding on the infants' interaction with the environment

Gerrish

Mennella

2000

Dev. Psychobiol.

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Section: Discussionsupporting

confidence: 91%

Section: Limb Movementssupporting

confidence: 91%

Section: Figurementioning

confidence: 99%

Section: Subjectsmentioning

confidence: 99%

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Short-term influence of breastfeeding on the infants' interaction with the environment

Gerrish

Mennella

2000

Dev. Psychobiol.

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“…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: 78%

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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Relationship between behavior and energy expenditure in 12-week-old infants

Wells

Davies

1996

Am. J. Hum. Biol.

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In order to apply current international recommendations of basing energy requirements on energy expenditures (FAO/WHO/UNU [1985] Energy and Protein Requirements WHO: Geneva) to infants, it is first necessary to ascertain which aspects of infant physical activity significantly influence energy expenditure. The relationship between behavioral activity and energy expenditure was, therefore, investigated in 12 week infants. Behavior was assessed using activity diaries, temperament questionnaires, and actometers. Total energy expenditure and the energy cost of physical activity were estimated using the doubly labelled water method and indirect calorimetry. Certain aspects of behavior correlated significantly with the energy cost of physical activity. Behavior thus exerts a significant effect on energy expenditure in 12 week infants. © 1996 Wiley‐Liss, Inc.

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Effects of Feeding Method on Infant Temperament

Cited by 13 publications

References 69 publications

Short-term influence of breastfeeding on the infants' interaction with the environment

Short-term influence of breastfeeding on the infants' interaction with the environment

Breastfeeding and Infant Temperament at Age Three Months

Relationship between behavior and energy expenditure in 12-week-old infants

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