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Table 1 Measurement items

From: An empirical study of mHealth adoption in a developing country: the moderating effect of gender concern

Items References
Perceived Usefulness  
 PU1: Using the mHealth services will improve my life quality Davis (1989) [22, 31], Chau & Hu (2002) [72]
 PU2: Using the mHealth services will make my life more convenient
 PU3: Using the mHealth services will make me more effective in my life
 PU4: Overall, I find the mHealth services to be useful in my life
Perceived Ease of Use  
 PEU1: Learning to operate the mHealth services will be easy for me Davis (1989) [22, 31], Chau & Hu (2002) [72]
 PEU2: I can easily become skillful at using the mHealth services
 PEU3: I can get the mHealth services to do what I want it to do
 PEU4: Overall, the mHealth services are easy to use
Subjective Norm  
 SN1. My close friends think that I can use mHealth Wu and Chen (2005) [73]
 SN2. My close friends think that I should use mHealth
 SN3. My close friends think that I must use mHealth
Personal innovativeness in IT  
 PIIT1: If I heard about a new information technology, I would look for ways to experiment with it. Agarwal and Prasad, (1998) [56], Yi et al. (2006) [74]
 PIIT2: Among my peers, I am usually the first to try out new information technologies.
 PIIT3: In general, I am not hesitant to try out new information technologies.
Intention to Use  
 INT1: I have high intention to use the mHealth service Venkatesh et al. (2003) [46], Davis (1989) [22, 31].
 INT2: I intend to learn about using mHealth services
 INT3: I plan to use mHealth services to manage my health
Actual Use  
 ACT1: mHealth service is a pleasant experience Taylor and Todd (1995) [75], Davis and Venkatesh (2004) [76].
 ACT2: I use mHealth service currently
 ACT3: I spend a lot of time on mHealth service