Supplementary Material for: Hagen et al. Prevalence and Possible Factors of Myopia in Norwegian Adolescents. Scientific Reports 2018.

<p><b>(i) Community profile and demographics.</b></p><p><b>(ii) Proportions of spherical equivalent refraction (SER) in smaller steps.</b><br></p><p><b>(iii) Mean SER and proportions of refractive error in participants of Norwegian, Asian, African, other European, South American, and mixed origin.</b><br></p><div><b>(iv) Mean self-reported hours per day spent on indoor and outdoor activities.</b><br></div><div><b><br></b></div><div><b>Reference:</b></div><div>Hagen LA, Gjelle JVB, Arnegard S, Pedersen HR, Gilson SJ, Baraas RC. (2018) Prevalence and Possible Factors of Myopia in Norwegian Adolescents. Nature Scientific Reports, in press.<b><br></b></div>