3225 Hands-free device/speakerphone use with mobile phone in last 3 month GWASATLAS
Domain: Activities
Chapter: Communication
Subchapter: Conversation and Use of Communication Devices and Techniques
R_exp: 0.01966438275
R_rate: -0.01268868717
p_R_exp: 0.1304223503
p_R_rate: 0.01907589372