BlinkComm: Initialization of IoT Devices Using Visible Light Communication

Table 4

Users’ demographic as well as touchscreen and Internet usage.

Years			Using devices with screen (hours/day)				Familiar with VLC
	25-30		0-1	1-2	2-4		Y	N
12	7	13	0	4	10	18	18	14
Feel secure using WiFi			Using TS devices (hours/day)				Gender
Y	N	Neutral	0-1	1-2	2-4		Male	Female
12	11	9	4	13	7	8	20	12

TS: touchscreen; VLC: visible light communication.