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Table 4 Change in melanin and erythema indices for intervention group

From: Sun protection education for adolescents: a feasibility study of a wait-list controlled trial of an intervention involving a presentation, action planning, and SMS messages and using objective measurement of sun exposure

Site Change in index over the intervention period
Mean Standard deviation
Melanin (Arm) 17.0 (63.2)
Melanin (Ear) 45.1 (74.2)
Erythema (Arm) −11.9 (60.8)
Erythema (Ear) −20.0 (62.8)