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BMC Public Health. 2012; 12: 568.
Published online Jul 28, 2012. doi:  10.1186/1471-2458-12-568
PMCID: PMC3487749
A summary index of infant and child feeding practices is associated with child growth in urban Shanghai
Jing-Qiu Ma,#1 Li-Li Zhou,#1 Yan-Qi Hu,#1 Jin-Rong Liu,#1 Shan-Shan Liu,#1 Jie Zhang,#1 and Xiao-Yang Shengcorresponding author1
1Department of Child and Adolescent Healthcare, Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai Key Laboratory of Pediatric Gastroenterology and Nutrition, MOE-Shanghai Key Laboratory of Children’s Environmental Health, Shanghai, 200092, China
corresponding authorCorresponding author.
#Contributed equally.
Jing-Qiu Ma: xhkcb105/at/163.com; Li-Li Zhou: zhoulili1011/at/163.com; Yan-Qi Hu: huyanqiaa/at/hotmail.com; Jin-Rong Liu: ljr_20/at/yahoo.com.cn; Shan-Shan Liu: lss851010/at/126.com; Jie Zhang: zj-ruoshui/at/163.com; Xiao-Yang Sheng: shengxiaoyangcn/at/yahoo.com.cn
Received April 19, 2012; Accepted July 11, 2012.
Abstract
Background
Recently, an infant and child feeding index (ICFI) constructed on brief recalls of breastfeeding, feeding frequency and food diversification was assumed to provide long-term prediction about child feeding practices. The aim of this study was to investigate the association between the cross-sectional ICFI (CS-ICFI) or longitudinal ICFI (L-ICFI) and child anthropometric indices in downtown Shanghai, China.
Methods
The prospective cohort study included 180 infants aged 5-7 mo with their main caregivers who were visited 3 times every 6 months over 12 months. A CS-ICFI was constructed for each visit by using data on feeding practices based on 24-h and 7-d recalls. An L-ICFI was constructed with use of the 3 CS-ICFIs. The associations between ICFI and length-for-age z score (LAZ), weight-for-age z score (WAZ), and weight-for-length z score (WLZ) were examined. The stability of the CS-ICFI was assessed by using repeatability coefficient (RC).
Results
The L-ICFI was positively associated with LAZ and WAZ at Visit 3(beta = 0.151, P = 0.040 and beta = 0.173, P = 0.024, respectively). Moreover, the CS-ICFI at Visit 1 was positively associated with LAZ, WAZ and WLZ (beta = 0.160, P = 0.029; beta = 0.191, P = 0.009; beta = 0.176, P = 0.020) at Visit 3, and the CS-ICFI at Visit 3 was also positively associated with LAZ (beta = 0.176, P = 0.016). Stability of the CS-ICFI was shown by the value of 0.14 (95% CI: 0.07, 0.31) of the RC, which differed significantly from 0 (P < 0.05).
Conclusions
The ICFI constructed on brief recalls based on cross-sectional studies can be used to evaluate the effects of child feeding practice on child growth.
Keywords: Child feeding practice, Brief recalls, Anthropometric indices, Repeatability coefficient
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