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Purpose This study aims to examine factors affecting restaurant customers’ intention to use near field communication (NFC)-based mobile payment (MP) technology. More specifically, based on the valence theory, this paper examined the impacts of users’ negative valence (perceived risk and privacy concern) and positive valence (utilitarian value and convenience) perceptions toward their NFC-MP technology acceptance. Furthermore, the impacts of individual difference variables (smartphone affinity and compatibility) on users’ negative and positive valences and on their behavioral intentions were analyzed. Design/methodology/approach A self-administered online questionnaire was used to collect the data of the study from 412 restaurant customers. A confirmatory factor analysis (CFA) was used to validate the measurement model. To test the hypothesized model, structural equation modeling (SEM) was used. Findings The study findings demonstrated that privacy concern, utilitarian value and convenience significantly affected individuals’ NFC-MP technology acceptance. In addition, compatibility significantly influenced negative and positive valance constructs and smartphone affinity had a positive impact on positive valance constructs only. Practical implications This study provides valuable practical implications for restaurant operators and hospitality technology vendors in the context of mobile payment systems. Originality/value This study successfully extended the valence framework by adding individual difference constructs to it.

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While mobile phones (henceforth cell phones) provide nearly constant access to activities (eg, watching videos, playing games) traditionally associated with sedentary behavior, the relationship between cell phone use, sedentary behavior, and physical activity is untested. The purpose of this study was to assess these relationships. A sample of college students (N = 236) completed surveys assessing daily cell phone use, sedentary behavior (sitting time) and physical activity. Regression demonstrated that cell use was positively associated ( = 0.23, = .05) with sedentary behavior and not related ( = -0.02, = .90) to physical activity. Tertile splits were performed for average daily cell phone use and participants were grouped as high (n = 81), moderate (n = 77) or low (n = 78) cell users. High users (495.1 ± 227.6 min/d) participated in significantly ( ≤ .03) more sedentary behavior than the moderate (417.1 ± 208.3 min/day) and low (395.2 ± 180.0 min/d) users. Sedentary behavior was not different ( = .5) between the moderate and low users. In conclusion, cell use was associated with college students' sedentary behavior but not physical activity. High users allocated 18.7% and 25.3% more time to daily sitting than moderate and low users, respectively.

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