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. 2010 Jan 11;10:11. doi: 10.1186/1471-2458-10-11

Table 3.

Proportion (%) of 12- to 18-year-olds who reported having received instructions or being breaks in order to prevent computer-associated health complaints, by sex and age.

To arrange desk, chair and screen in the right position
% (n*)
To take rest breaks
% (n)
Sex
Boys 62.0 (1951) 70.3 (2212)
Girls 60.6 (2367) 72.5 (2833)
Total 61.2 (4318) 71.5 (5045)
Age
12--14 54.0 (1819) 67.8 (2284)
16--18 67.8 (2499) 75.0 (2761)
Total 61.2 (4318) 71.5 (5045)

*n = Number of cases