Objective To introduce Nursing Child Interaction (PCI) Feeding Scale into China, and to assess the reliability and validity of PCI Feeding Scale in Chinese parent-child dyads. Methods Under the recommended steps by the International Testing Committee, PCI Feeding Scale was translated, then Chinese Version of Parent-Child Interaction Feeding Scale (PCI-FS-C) was developed. From June 2018 to January 2019, 310 parent-child dyads from four hospitals in Beijing, Yinchuan, Lanzhou and Maanshan were selected by convenience sampling, and PCI-FS-C was adopted to code their feeding interaction. Reliability was evaluated by internal consistency (Cronbach's α coefficient) and test-retest reliability (inter-item consistency) conducted with 10% of the samples randomly selected. Six samples were selected to evaluate rater reliability. Chinese Version of Infant-Toddler Home Observation Measurement of the Environment (IT-HOME-C) was used to exam the concurrent validity by Spearman correlation in 41 samples. Multivariate linear regression was used to evaluate discriminant validity. Results Totally 273valid mother-infant dyads were included in this study. The Cronbach's α coefficients of total score, caregiver and infant subscale scores were 0.846, 0.805 and 0.690, respectively. Both caregiver subscale (r=0.778) and PCI-FS-C (r=0.847) had excellent test-retest reliability, while the infant subcale showed acceptable test-retest reliability (r=0.480) (P< 0.01). For rater reliability, the Kendall coefficient of PCI-FS-C was 0.860. PCI-FS-C, caregiver subscale and infant subscale were moderately associated with IT-HOME-C (r=0.526, 0.506, 0.427, P＜0.05). After controlling for mixed factors, there were significant differences among different age groups in PCI-FS-C, caregiver subscale and infant subscale (b=3.24, 2.31, 0.92). Conclusions PCI-FS-C is a valid assessment for Chinese mother-infants, which fills the gap for assessment using an Objective measurement of caregiver/parent-child interaction in China. Enlarged sample size is suggested for culture-adapted study in future.
Key words
parent-child interaction scale /
infant feeding /
reliability /
validity
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