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

(i) Community profile and demographics.
(ii) Proportions of spherical equivalent refraction (SER) in smaller steps.

(iii) Mean SER and proportions of refractive error in participants of Norwegian, Asian, African, other European, South American, and mixed origin.

(iv) Mean self-reported hours per day spent on indoor and outdoor activities.

Reference: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.