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Table 2 Individual and movie vision characteristics of study participants

From: A survey of visually induced symptoms and associated factors in spectators of three dimensional stereoscopic movies

Variable   N (%)
Use of glasses or prescription lenses at cinema No 514 56.7
  Yes, glasses 278 30.7
  Yes, lens 115 12.7
  Total 907  
Headache Never or almost never 158 17.4
  Sometimes 386 42.6
  Often 257 28.3
  Very often 106 11.7
  Total 907  
Car sickness Never or almost never 330 36.4
  Sometimes 330 36.4
  Often 143 15.8
  Very often 104 11.5
  Total 907  
Vertigo Never or almost never 396 43.7
  Sometimes 305 33.6
  Often 174 19.2
  Very often 32 3.5
  Total 907  
Anxiety Never or almost never 339 45.3
  Sometimes 287 38.4
  Often 86 11.5
  Very often 36 4.8
  Total 748  
Daily use of computer and/or video game console None 28 3.1
  <1 hour 157 17.3
  1-5 hors 444 49.0
  >5 hours 278 30.7
  Total 907  
Position during vision: proximity to the screen Sit within first 3 raw from screen 72 7.9
  Other 835 92.1
  Total 907  
Position during vision: proximiy to the screen and lateral view Sit within first 3 raws and lateral 20 2.2
  Other 887 97.8
  Total 907  
Showtime (movie starting time) Before 20.30 131 17.4
  20.30-22.29 343 45.5
  22.30 or later 280 37.1
  Total 754  
Enjoiment of the movie Not enjoyable 25 3.3
  A little 56 7.4
  Moderately 148 19.6
  Very 369 48.9
  Extremely enjoyable 156 20.7
  Total 754  
Movie duration <= 100 minutes 347 38.3
  >100 minutes 560 61.7
  Total 907  
Movie type Animated film 572 63.1
  Non Animated film 335 36.9
  Total 907