Table 1 Demographic characteristics of the participants (n = 70)

Gender

Male

55

78.6

Female

15

21.4

Age group

< 14 years

1

1.4

14 to 25 years

2

2.85

26 to 40 years

38

54.2

41 to 56 years

29

41.4

Hand Dominance

Right

62

88.6

Left

5

11.4

Hours of Mobile Usage/day

< 2 hours

7

10

2 to 3 hours

32

45.71

3 to 4 hours

21

30

> 4 hours

10

1.43

Type of Handheld device

Blackberry

37

52.85

Other Smartphone

13

10

Ordinary phone

9

18.57

iPhone

7

12.85

Gaming device

4

5.7

Predominant type of usage

Text messaging

56

80

E mail

44

63

Games

21

30

Social networking

21

30

Internet surfing

24

34