Study design

JZ Jian Zhang
QW Qiong Wu
XW Xiaotong Wang
YZ Yanfeng Zhang
MV Michelle Helena van Velthoven
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We aimed to assess the response rates and costs of WeChat self-administered questionnaire surveys on IYCF information. This study was carried out between January 12, 2022, and March 21, 2022, in Qinghai Province, China. We conducted two cross-sectional population-based questionnaire surveys with caregivers of children aged 6-23 months in Menyuan County and Datong County. Both surveys used the same WeChat IYCF questionnaire to collect information on households, infant feeding practices, and caregivers’ feeding knowledge.

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