Abstract
Recycled water is considered as a viable alternative water source, and its use is of great significance in dealing with the shortage of water resources. However, it is often rejected by the public during its promotion. To identity the common social attributes of proponents of recycled water, it is essential to study the profiled customers’ willingness to accept recycled water during the most difficult initial stage of promoting recycled water use projects. A meta-analysis was conducted in this study to deal with data concerning the influence of different social demographic factors on the public’s acceptance of recycled water use. Three steps of meta-analysis were mainly used in this paper. First, a random-effect model was used to measure the effect size of influencing factors, such as age, gender, and education. It was found that younger women were more likely to accept recycled water use than older men, and individuals with higher education were more willing to accept recycled water. Then, a cumulative meta-analysis showed that it was feasible to select young women with higher education as target profile customers in the initial stage of recycled water promotion. Finally, according to a meta-regression analysis, it was revealed that different research areas and selected model methods have important regulatory effects on the intention of the target population to use recycled water.
Highlights
With the continuous development of the social economy, rapid population growth, and people’s continuous pursuit of quality of life, the consumption of natural water resources by human activities has increased significantly
Based on the research on public recycled water use as the data source, fifteen articles were determined by keyword retrieval and screening of three literature databases including Web of Science, Scopus, and CNKI, and 15,064 samples and 34 effect sizes were provided for meta-analysis
Young people are more willing to accept the use of recycled water, which is corroborated by our analysis
Summary
With the continuous development of the social economy, rapid population growth, and people’s continuous pursuit of quality of life, the consumption of natural water resources by human activities has increased significantly. Human activities have become the most important factors affecting the natural water circulation system, which has exceeded the limit of the ecological carrying capacity and caused irreversible damage to the ecological circulation system. In this era of rapid social and economic development, it is necessary to find alternative water sources to solve current and future water shortage problems [3]. Among them, recycled water generated by various types of wastewater is considered as a potential water source, which is economical, reliable, and safe, and which has the potential to solve the problem of insufficient supply and demand [4]. Recycled water is a stable resource that is not affected by seasons
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