The average daily laptop use was significantly associated with the prevalence of MSS, although the average daily use of desktop computers was not. A direct comparison cannot be made with other studies because the relationship between MSS and type of computer used has not been previously analysed. It is also of interest that laptops were used by a greater proportion of students than in earlier studies, as already discussed. Katz et al. (2000) and Schlossberg et al. (2004) had somewhat similar findings in that the prevalence of MSS increased with increasing use of computers whereas other studies found no relationship between h/week and MSS (Noack-Cooper et al., 2009). Interestingly, in those where there was a positive relationship, the daily computer use was considerably greater than the reported usage in the current study. Whilst the findings regarding computer use at any one time are encouraging as they are within the recommended guidelines for computer usage (that is <1 h) there was still a high prevalence of computer-related MSS reported. It is notable that a greater proportion of students in the current study used a laptop than a desktop and this may suggest that the current guidelines that are morerelevant for desktop use may need to be reviewed in relation to laptop use. Furthermore, the computer workstation is an important element to consider. Educational environments, unlike most office workplaces, may not tend to incorporate ergonomic design principles for laptop use. The combination of periods of time working at a poor workstation may be detrimental to the students' current and future musculoskeletal health.
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