“…Consequently, we adopt whether respondents use Alipay or WeChat payment as the proxy variable of mobile payment, which is 1 if they had used them and 0 otherwise. Learning from prior SWB research [97,[100][101][102], this paper adds a series of covariates to consider the effects of demographic and socioeconomic factors on SWB. These variables are gender, age, age-squared/100, ethnicity, political belief, household registration, marital status, education status, income, work status, social security, housing condition, and the household size.…”