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Table 3 Distributions of total daily device usage levels among respondents: Smartphones and Tablet devices

From: Musculoskeletal symptoms among adult smartphone and tablet device users: a retrospective study

Device usage level Smartphone use (n) Smartphone use (%) Smartphone use: cumulative (%) Tablet use (n) Tablet use (%) Tablet use: cumulative (%)
0 0 0.0 0.0 67 32.4 32.4
1 7 3.4 3.4 75 36.2 68.6
2 13 6.3 9.7 9 4.3 72.9
3 15 7.2 16.9 19 9.2 82.1
4 22 10.6 27.5 15 7.2 89.4
5 10 4.8 32.4 4 1.9 91.3
6 39 18.8 51.2 8 3.9 95.2
7 0 0 51.2 0 0 95.2
8 19 9.2 60.4 5 2.4 97.6
9 10 4.8 65.2 1 0.5 98.1
10 7 3.4 68.6 0 0 98.1
11 0 0 68.6 0 0 98.1
12 32 15.5 84.1 2 1.0 99.0
13 0 0 84.1 0 0 99.0
14 0 0 84.1 0 0 99.0
15 6 2.9 87.0 1 0.5 99.5
16 2 1.0 87.9 1 0.5 99.5
17 0 0 87.9 0 0 99.5
18 7 3.4 91.3 1 0.5 100.0
19 0 0 91.3 Total 207 100.0 100.0
20 2 1.0 92.3    
21 0 0 92.3    
22 0 0 92.3    
23 0 0 92.3    
24 6 2.9 95.2    
25 1 0.5 95.7    
26 0 0 95.7    
27 0 0 95.7    
28 0 0 95.7    
29 0 0 95.7    
30 3 1.4 97.1    
31 0 0 97.1    
32 0 0 97.1    
33 0 0 97.1    
34 0 0 97.1    
35 0 0 97.1    
36 6 2.9 100.0    
Total 207 100.0     
  1. Note: n refers to the number of participants reporting particular levels of device usage