“…Drawing upon the existing studies on Internet use (Ma & Zhu, 2020 ; Vatsa et al, 2022 ; Zhang et al, 2019 ; Zheng et al, 2021 ) and negative affect (Akpınar, 2021 ; Chekroud et al, 2018 ; Lee et al, 2021 ; Sichel et al, 2022 ; Zhang et al, 2022 ), we selected a number of control variables to capture individual, household and contextual characteristics. They include respondents’ age, gender, education, working status, exercise, lunch break habit, reading experience, family size, elder ratio, child ratio, and living location.…”