Table 4.
Items.
| Factor | Indicators | ITK-corr. | Factor load. | Cronb. A | Expl. var. | Factors extr. | Items elimin. | References |
|---|---|---|---|---|---|---|---|---|
| Perceived disease threat | I find that I can fall ill easier than others. | 0.712 | 0.724 | 0.823 | 65,661 % | 1 | 3 | Deng (2013) |
| I find that I have to put more effort into keeping good health/fitness than others. | 0.726 | 0.738 | ||||||
| I am afraid that my health may deteriorate with age. | 0.688 | 0.702 | ||||||
| I think that the mHealth app can help me to prevent future diseases. | 0.498 | 0.462 | ||||||
| Health consciousness | I take much effort to keep a good level of fitness. | 0.865 | 0.926 | 0.930 | 82,802 % | 1 | 2 | , Cho et al. (2015) |
| It is important to me to have good fitness. | 0.848 | 0.916 | ||||||
| Physical fitness is very important in my life. | 0.883 | 0.937 | ||||||
| All in all, I have a great health consciousness. | 0.759 | 0.858 | ||||||
| Personalization | The mHealth app offers me the possibility to configure the app according to my personal preferences (e.g. deactivation of pop-up messages). | 0.750 | 0.855 | 0.919 | 82,224 % | 1 | 2 | Guo et al. (2016) |
| I have no effort to customize the mHealth app to my needs. | 0.835 | 0.912, | ||||||
| The mHealth app is tailored to my needs. | 0.846 | 0.922 | ||||||
| I think that the mHealth-app is configured according to my wishes and my individual needs. | 0.872 | 0.937 | ||||||
| Interaction | For me, the mHealth app is like an interactive "personal trainer" who supports me. | 0.547 | 0.725 | 0.843 | 68,748 % | 1 | 2 | Lee, Moon, Kim, and Yi (2015) |
| The mHealth app offers interactive interfaces with communication functions (e.g. symbols, pictures or videos). | 0.592 | 0.763 | ||||||
| When I interact with the mHealth app, I can get feedback immediately. | 0.781 | 0.899 | ||||||
| All in all, I think mHealth app is very interactive | 0.812 | 0.914 | ||||||
| Mobile app design | The interface of the mHealth app is professionally designed. | 0.796 | 0.889 | 0.892 | 75,768 % | 1 | 2 | Guo et al. (2016) |
| The interface of the mHealth app is appealing. | 0.769 | 0.874 | ||||||
| The contents (e.g. the text) of the mHealth app are easy to read. | 0.723 | 0.843 | ||||||
| The mHealth app is logically structured and designed. | 0.770 | 0.875 | ||||||
| Social networking | The mHealth app allows me to share with other users. | 0.900 | 0.944 | 0.967 | 91,195 % | 1 | 2 | Pesamaa, Shoham, Khan, & Muhammad (2015) |
| The app allows me to share content with others. | 0.938 | 0.966 | ||||||
| The app allows me to make friends with other users. | 0.904 | 0.946 | ||||||
| All in all, the app allows me to network with others. | 0.934 | 0.963 | ||||||
| Attitude towards mHealth | Using a health app is a good idea for my personal health/fitness management. | 0.854 | 0.927 | 0.923 | 82,284 % | 1 | 2 | Deng (2013) |
| Using a mobile health application is a wise idea for my personal health/fitness management. | 0.878 | 0.939 | ||||||
| I find the use of a health app valuable for my personal health/fitness management. | 0.862 | 0.929 | ||||||
| All in all, I have a positive attitude towards health apps. | 0.719 | 0.830 | ||||||
| User satisfaction | The use of the mHealth app gives me pleasure. | 0.706 | 0.819 | 0.924 | 82,858 % | 1 | 2 | Akter et al. (2010), |
| I am satisfied with the functions of the mHealth app. | 0.871 | 0.935 | ||||||
| I am satisfied with the range of services offered by the mHealth app. | 0.870 | 0.939 | ||||||
| All in all, I am satisfied with the mHealth-app. | 0.883 | 0.943 | ||||||
| Word of mouth | I would recommend the mHealth app to my friends or acquaintances. | 0.714 | 0.844 | 0.924 | 77,149 % | 1 | 2 | Shaikh and Karjaluoto (2016) |
| I share my experiences with the mHealth app. | 0.706 | 0.828 | ||||||
| I would recommend the mHealth app for healthcare. | 0.785 | 0.889 | ||||||
| All in all, I think I would recommend the mHealth app to my friends | 0.887 | 0.947 | ||||||
| Continuance Intention to use | It is very likely that I will continue to use the mHealth app in the future. | 0.714 | 0.844 | 0.924 | 77,149 % | 1 | 2 | Akter (2013) |
| I am willing to continue using the mHealth app in the future. | 0.706 | 0.828 | ||||||
| I would recommend the mHealth app for healthcare. | 0.785 | 0.889 | ||||||
| All in all, I think I would recommend the mHealth app to my friends | 0.887 | 0.947 |