Table 2.
Measures
| Construct | Adapted from | Question | Items | Anchors |
|---|---|---|---|---|
| Adoption Intention | Zarmpou et al. (2012)/Kim and Park (2013) | I would consider using this service I intend to use this service I would recommend this service to others |
1 = “Strongly disagree” to 7 = “Strongly agree” | |
| Privacy Calculus | Xu et al. (2011) | All things considered, do you think using Service 1a will offer greater benefits than risks, or greater risks than benefits | 1 = “Greater risks” to 7 = “Greater benefits” | |
| Personalisation Benefit | Xu et al. (2009) | Compared to general nutrition advice, Service 1 offers me nutrition advice that is | More accurately tailored to my health needs More relevant for my health More beneficial for my health |
1 = “Strongly disagree” to 7 = “Strongly agree” |
| Privacy Risk | Xu et al. (2009) | I think that using Service 1 | Involves many privacy-related risks Is a threat to my privacy Creates a high risk for the loss of my privacy |
1 = “Strongly disagree” to 7 = “Strongly agree” |
| Information Intrusiveness | Developed based on Zwick and Dholakia (2004) | The way in which Service 1 obtains my personal information results in | Correct information Accurate information Detailed information |
1 = “Strongly disagree” to 7 = “Strongly agree” |
| Service Effectiveness | Davis (1989)/Venkatesh et al. (2003) | Service 1 | Enables me to develop a healthier lifestyle Helps me to have a healthier lifestyle Makes me feel in control of developing a healthier lifestyle |
1 = “Strongly disagree” to 7 = “Strongly agree” |
| Information Control | Mothersbaugh et al. (2012) | The way in which Service 1 will use my personal information | Is completely determined by me Depends completely on me giving my approval Is under my control |
1 = “Strongly disagree” to 7 = “Strongly agree” |
| Ability of Service Provider | Mayer and Davis (1999) | I think that the provider of Service 1 | Is very capable of providing personalised nutrition advice Has much knowledge about personalised nutrition advice Has the skills to provide personalised nutrition advice |
1 = “Strongly disagree” to 7 = “Strongly agree” |
| Benevolence of Service Provider | Mayer and Davis (1999) | I think that the provider of Service 1 | Is very concerned about my welfare Will not knowingly do anything to hurt me Looks out for what is important to me Will go out of its way to help me |
1 = “Strongly disagree” to 7 = “Strongly agree” |
| Integrity of Service Provider | Mayer and Davis (1999) | I think that the provider of Service 1 | Sticks to its word Tries to be fair in dealing with others Is guided by sound principles |
1 = “Strongly disagree” to 7 = “Strongly agree” |
a“Service 1” was replaced with “Service 2” when evaluating the second personalised nutrition service description