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. 2019 Sep 10;7(9):e13127. doi: 10.2196/13127

Table 2.

Associations between UTAUT-related scales and the intention to use physical activity apps.

Scale ORua (95% CI) P valueu ORab (95% CI) P valuea
Scale 1. Performance expectancy scale 1.26 (1.20-1.32) <.001 1.16 (1.11-1.22) <.001

Term 1.1. Using physical activity apps could inspire you to keep doing physical activity. 2.55 (2.06-3.16)



Term 1.2. Using physical activity apps could contribute to maintaining physical fitness. 2.60 (2.10-3.23)



Term 1.3. Using physical activity apps could contribute to maintaining good mental health. 2.16 (1.74-2.68)


Scale 2. Effort expectancy scale 1.22 (1.16-1.27) <.001 1.10 (1.04-1.15) <.001

Term 2.1. You can quickly master how to use physical activity apps. 2.57 (2.00-3.30)



Term 2.2. You can be proficient with using physical activity apps. 2.57 (2.04-3.24)



Term 2.3. Using physical activity apps is not difficult for you. 2.64 (2.05-3.41)


Scale 3. Social influence scale 1.49 (1.39-1.60) <.001 1.31 (1.21-1.42) <.001

Term 3.1. Your good friends are in favor of your using physical activity apps. 2.32 (1.88-2.87)



Term 3.2. Many of your friends are using physical activity apps. 2.97 (2.39-3.69)


aRefers to univariate analyses.

bRefers to adjustment for gender, hometown type, monthly living expenses, experience of using physical activity apps in the last 6 months, and body mass index.