Table 1.

Constructs tested for exploring the utility of using mobile phone caller tunes to promote medication adherence.

Construct	Definition
Perceived Ease of Use	The degree to which respondents feel it is easy to download caller tunes onto a mobile phone to promote medication adherence
Perceived Usefulness	The perception by respondents that caller tunes could be a useful technology for improving medication adherence
Intention to Use	Respondents goal to use mobile phone caller tunes to promote medication adherence
Free of Cost	Making caller tunes free to those who intend to download it for promoting medication adherence