Skip to main content
. 2022 Nov 2;15(3):279–283. doi: 10.4103/ojo.ojo_135_21

Table 2.

Comparison of the pattern of digital device use among medical and non-medical professionals during COVID-19 lockdown

Parameters n, % Medical Professionals (n=353) Non-medical Professionals (n=347) P
No. of devices used simultaneously
 1 224 (63.5) 119 (34.3) <0.001
 2 115 (32.6) 198 (57.1)
 >2 14 (4) 30 (8.6)
Duration spent on digital screen (hours per day)
 <4 127 (35.9) 65 (18.7) <0.001
 ≥4 226 (64.1) 282 (81.3)
Duration spent on digital screen in dark (hours per day)
 <4 291 (82.4) 282 (81.3) 0.17
 ≥4 62 (17.6) 65 (18.7)
Preferred level of screen brightness (in percentage)
 <10 48 (13.6) 54 (15.6) 0.003
 11-25 101 (28.6) 68 (19.6)
 26-50 122 (34.6) 93 (26.8)
 51-75 65 (18.4) 105 (30.2)
 76-100 17 (4.8) 27 (7.8)
Interval of taking breaks (in minutes)
 ≤30 166 (47) 146 (42) 0.469
 31-60 107 (30.3) 128 (36.9)
 61-90 38 (10.8) 35 (10.1)
 91-120 29 (8.2) 26 (7.5)
 >120 13 (3.7) 12 (3.5)