Social usage (5-point scale; a = .73) 4.06 0.76
1. I use my smartphone to interact with people 4.32 0.94
2. I use my smartphone to maintain relationships 4.42 0.83
3. I use my smartphone to call other people 3.73 1.45
4. I use my smartphone to text message others 4.11 1.07
5. I use my smartphone to contact people through social media 4.43 0.97