Items

Involvement

Total

High

Low

Time/alarm-daily life support

183

(12.2%)

222

(13.1%)

405

(12.7%)

Calendar/diary/memo-daily supp life support

172

(11.5%)

200

(11.8%)

372

(11.7%)

Game-entertainment

168

(11.2%)

188

(11.1%)

356

(11.2%)

Maps/navigation-daily life support

151

(10.1%)

177

(10.5%)

328

(10.3%)

Electronic commerce-daily life support

147

(9.8%)

154

(9.1%)

301

(9.5%)

Internet surfing-speedy information retrieval/contents acquisition

137

(9.2%)

150

(8.9%)

287

(9.0%)

Internet surfing-variety of information/content acquisition

137

(9.2%)

137

(8.1%)

274

(8.6%)

Voice call/video call-social relationship

135

(9.0%)

141

(8.3%)

276

(8.7%)

SNS use-social relationship

134

(9.0%)

172

(10.2%)

306

(9.6%)

Voice call-telephone call/mutual communication

132

(8.8%)

148

(8.8%)

280

(8.8%)

Total

1496

(100.0%)

1689

(100.0%)

3185

(100.0%)