Maternal recall of infant feeding events is accurate.

Launer, Lenore J.; Forman, Michéle R.; Hundt, Gillian Lewando; Sarov, Batia; Chang, David; Berendes, Heinz W.; Naggan, Lechaim

doi:10.1136/jech.46.3.203

Cited by 96 publications

(85 citation statements)

References 16 publications

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“…Although the studied population had a high level of schooling, and although a number of studies show evidence of reasonable accuracy for information provided by mothers regarding the length for which their children were breastfed, 6,8,10 it is possible that this information was not sufficiently precise in the present study. Such lack of precision would tend to obscure eventual associations between duration of breastfeeding and school-age obesity, driving the odds ratios towards the unit.…”

Section: Discussioncontrasting

confidence: 43%

Amamentação na infância e obesidade na idade escolar em famílias de alto nível socioeconômico

Siqueira

Monteiro

2007

Rev. Saúde Pública

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OBJECTIVE:To examine the association between breastfeeding and obesity in school-age children from Brazilian families of high socioeconomic status. METHODS:A cross-sectional study was conducted including 555 students aged six to 14 years from a private school in the city of Sao Paulo. Obesity -the outcome variable -was defined as body mass index at or above the 85 th centile plus sub scapular and triceps skin folds at or above the 90th centile using the sex and age specific standards of the US National Center for Health Statistics. Exposure was the frequency and duration of breastfeeding. Potential confounders, controlled for using multiple logistic regression, included child sex, age, birthweight, and dietary and physical activity patterns, and maternal age, body mass index, schooling, and practice of sports or physical exercise. RESULTS:Prevalence of obesity in the studied population was 26%. After confounder adjustment, the risk of obesity in children that had never been breastfed was twice that of other children (OR=2.06; 95% CI: 1.02; 4.16). There was no doseresponse effect of duration of breastfeeding on prevalence of child obesity. CONCLUSIONS:Children who were never breastfed showed greater prevalence of obesity at school age. The absence of a dose-response effect in the relationship between duration of breastfeeding and prevalence of obesity and the still controversial findings regarding this association reported by other authors indicate a need for further studies on the subject, in particular studies with longitudinal design.

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Section: Discussioncontrasting

confidence: 43%

Amamentação na infância e obesidade na idade escolar em famílias de alto nível socioeconômico

Siqueira

Monteiro

2007

Rev. Saúde Pública

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“…Previous studies have investigated the reliability of maternal reports on prenatal, perinatal and on postnatal factors, and suggest that maternal recall data are reproducible for perinatal factors, for example, birth weight, gestational age or medical procedures. 8,9 In contrast, maternal reports on prenatal factors, for example, maternal weight gain during pregnancy, 10 and early infant nutrition, for example, breastfeeding or introduction of solid food, 11,12 showed only moderate agreement or inconsistency in their reliability.…”

Section: Introductionmentioning

confidence: 90%

“…11,13 Generally, a shorter time span is associated with a higher repeatability of selfreports. The aim of this paper is to assess the repeatability of maternal reports of questions on prenatal, perinatal and early postnatal factors assessed by the PQ.…”

Section: Introductionmentioning

confidence: 99%

Repeatability of maternal report on prenatal, perinatal and early postnatal factors: findings from the IDEFICS parental questionnaire

et al. 2011

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Objective: To investigate the repeatability of maternal self-reported prenatal, perinatal and early postnatal factors within the IDEFICS (Identification and prevention of dietary-and lifestyle-induced health effects in children and infants) study. Design: Data are from the baseline survey of the longitudinal cohort study IDEFICS in eight European countries. Subjects: A total of 420 parents from eight countries (43-61 per country) were asked to complete the parental questionnaire (PQ) twice at least 1 month apart. Measurements: The PQ assesses prenatal (maternal weight gain), perinatal (child's birth weight and length, Caesarean (C)-section, week of delivery) and early postnatal factors (exclusive breastfeeding, breastfeeding, introduction of solid food). Intraclass correlation coefficients (ICCs) were calculated to compare maternal reports on prenatal, perinatal and early postnatal factors between the first and second PQ. Results: In total, 249 data sets were considered for the analyses. Overall, maternal reports for prenatal and perinatal factors showed higher repeatability (ICC ¼ 0.81-1.00, Pp0.05 for all) than those for early infant nutrition (ICC ¼ 0.33-0.88, Pp0.05 for all). Perfect agreement was found for parental reports on C-section (ICC all ¼ 1.00, Pp0.05). There was stronger agreement for duration of breastfeeding (ICC ¼ 0.71, Pp0.05) compared with exclusive breastfeeding (ICC ¼ 0.33, Pp0.05). Maternal reports showed moderate correlation for the introduction of several types of food (cereals ICC ¼ 0.64, Pp0.05; fruits ICC ¼ 0.70, Pp0.05; meat ICC ¼ 0.83, Pp0.05; vegetables ICC ¼ 0.75, Pp0.05), and high correlation (ICC ¼ 0.88, Pp0.05) for cow's milk. Conclusion: Maternal reports on pregnancy and birth were highly reproducible, but parental recall of early infant nutrition was weaker and should be interpreted more cautiously. 4 There is evidence that birth weight below and above average is associated with overweight and obesity in childhood. 5 Breastfeeding and early infant nutrition are also shown to be influencing factors on children's body weight. 6,7 In most epidemiological studies, these obesity-related factors are usually assessed by parental reports, particularly by maternal reports. Therefore, it is important to assess the quality of parental or rather maternal information within the framework of studies on childhood obesity. Previous studies have investigated the reliability of maternal reports on prenatal, perinatal and on postnatal factors, and suggest that maternal recall data are reproducible for perinatal factors, for example, birth weight, gestational age or medical procedures. 8,9 In contrast, maternal reports on prenatal factors, for example, maternal weight gain during pregnancy, 10 and early infant nutrition, for example, breastfeeding or introduction of solid food, 11,12 showed only moderate agreement or inconsistency in their reliability.Several studies indicated that other factors, for example, time span or the age of the child, have an impact on the repeatability of maternal self...

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“…In general, breastfeeding history has been shown to be accurate and reliable. 29,30 However, Promislow et al examined maternal recall of breastfeeding duration by elderly women and reported significant misclassification in breastfeeding duration recalled 34 to 50 years after child birth; their finding demonstrated that misclassification would appreciably attenuate the true strength of association between breastfeeding and later health event under study. 31 Thus, even if there is misclassification for length of (or exclusivity of) breastfeeding, the true association between breastfeeding duration and triple-negative BC would be stronger than observed in this study.…”

mentioning

confidence: 99%

Higher parity and shorter breastfeeding duration

Shinde

Forman

Kuerer

et al. 2010

Cancer

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BACKGROUND:The combination of increased parity and shorter breastfeeding duration might increase the odds of the least differentiated triple-negative breast cancer (BC) phenotype, theoretically because an expanded progenitor cell population from each pregnancy would incompletely differentiate postpartum. METHODS: Subjects consisted of a consecutive case series of 2473 women treated for invasive breast cancer between 2001 and 2006. Breast cancer phenotype (triple-negative BC, vs non-triple-negative BC) was compared with reproductive and demographic information. Odds ratios (OR) with 95% confidence intervals (CIs) for the association of breastfeeding duration (months per child) and parity with triple-negative BC were calculated after adjusting for ethnicity, age at menarche, family history, and age at diagnosis. RESULTS: Compared with non-triple-negative BC, triple-negative BC was associated with shorter duration of breastfeeding per child (OR, 0.93; 95% CI, 0.90-0.97) and with higher parity (OR, 1.12; 95% CI, 1.06-1.20). By using multivariate logistic regression, triple-negative BC was independently associated with higher parity ( 40 years vs >60 years). CONCLUSIONS: Among women with invasive breast cancer, higher parity and the absence or short duration of breastfeeding were independently associated with triple-negative BC. Any duration of breastfeeding was found to be associated with lower probability of triple-negative BC, and the odds of this phenotype decreased with increasing duration of breastfeeding. Cancer 2010;116:4933-43.

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Maternal recall of infant feeding events is accurate.

Cited by 96 publications

References 16 publications

Amamentação na infância e obesidade na idade escolar em famílias de alto nível socioeconômico

Amamentação na infância e obesidade na idade escolar em famílias de alto nível socioeconômico

Repeatability of maternal report on prenatal, perinatal and early postnatal factors: findings from the IDEFICS parental questionnaire

Higher parity and shorter breastfeeding duration

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