Objective To analyze the requirement attributes of smart home-based elderly care services integrating medical and nursing care from the perspective of children, and to explore the association rules among various service items. Methods A multistage sampling method was employed: according to the market housing price levels, communities with high and low price levels were respectively selected from seven administrative districts in Nanning City, including Xingning District, Jiangnan District, Qingxiu District, Xixiangtang District, Yongning District, Liangqing District, and Wuming District; then, some households were selected through convenience sampling, and family members aged 18-60 years who had resided in urban areas of Nanning for more than 1 year were surveyed. According to the requirements of the KANO model, a questionnaire on the requirements for smart home-based elderly care services integrating medical and nursing care was constructed, and the questionnaire survey was carried out through both online and offline methods. Requirement attributes were classified through the KANO model, and coordinate graphs were drawn based on the Better and Worse coefficients to determine the requirement attributes of 9 service items from the perspective of children: meal delivery, housekeeping, service safety supervision, health consultation and health monitoring, emergency rescue, medical escort, temporary rehabilitation nursing, companionship or visits, and cultural and recreational activities. The Apriori algorithm was used to analyze the association rules among the various service items. Results From the perspective of children, the service item classified as must-be attribute was service safety supervision; those classified as performance attributes were emergency rescue and medical escort; the one classified as attractive attributes was cultural and recreational activities; and those classified as indifferent attributes were meal delivery, as well as companionship or visits. The results of association rule analysis showed that for males, the effective strong association rules were companionship or visits + emergency rescue, temporary rehabilitation nursing + emergency rescue + medical escort, health consultation and health monitoring + service safety supervision + emergency rescue, and cultural and recreational activities + temporary rehabilitation nursing + medical escort; for females, the effective strong association rules were temporary rehabilitation nursing + emergency rescue, health consultation and health monitoring + emergency rescue, and medical escort + emergency rescue + temporary rehabilitation nursing. Conclusion From the perspective of children, service safety supervision attributes a must-be smart home-based elderly care service integrating medical and nursing care, it is recommended to be taken as a necessary option in service packages. On this basis, service item combinations can be added according to the preferences of different gender groups, such as companionship or visits + emergency rescue, temporary rehabilitation nursing + emergency rescue + medical escort, and health consultation and health monitoring + emergency rescue.

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