Table 3. Smartphone usage-related data of the studied participants.

		n=500
Which hand do you use to hold the smartphone?	Right	398 (79.6%)
	Left	102 (20.4%)
How big is the phone you use compared to your hand?	Suitable	370 (74%)
	Large	111 (22.2%)
	Small	19 (3.8%)
How many hours do you use your smartphone during the day?	Less than 1 hour	5 (1%)
	2-4 hours	110 (22%)
	5-8 hours	244 (48.8%)
	More than 10 hours	141 (28.2%)
In your opinion, what is the correct way to hold a smartphone?	The correct way	380 (76%)
	The wrong way	120 (24%)
How often do you hold your smartphone?	The correct way	177 (35.4%)
	The wrong way	323 (64.6%)