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  • Title: Mailed intervention to promote sun protection of children: a randomized controlled trial.
    Author: Crane LA, Asdigian NL, Barón AE, Aalborg J, Marcus AC, Mokrohisky ST, Byers TE, Dellavalle RP, Morelli JG.
    Journal: Am J Prev Med; 2012 Oct; 43(4):399-410. PubMed ID: 22992358.
    Abstract:
    BACKGROUND: Sun exposure, especially during childhood, is the most important preventable risk factor for skin cancer, yet few effective interventions to reduce exposure exist. PURPOSE: To test the effectiveness of a partially tailored mailed intervention based on the Precaution Adoption Process Model, delivered in the spring over 3 years to parents and children. DESIGN: RCT, with data collection through telephone interviews of parents and skin exams of children at baseline (Summer 2004) and annually (Summer 2005-2007). The control group received no intervention. SETTING/PARTICIPANTS: Families recruited in the Denver CO area, through private pediatric clinics, a large MCO, and community settings. Children born in 1998 were approximately 6 years of age at baseline; 867 children met inclusion criteria; analysis is reported for 677 white, non-Hispanic participants at highest risk for skin cancer. MAIN OUTCOME MEASURES: Primary outcomes were parent-reported child sun protection behaviors. Secondary outcomes included parents' risk perception, perceived effectiveness of and barriers to prevention behaviors, stage of change, reported sunburns, and observed tanning and nevus development. The longitudinal mixed-model analysis was conducted between 2008 and 2011. RESULTS: The intervention group reported more use of sunscreen, protective clothing, hats, shade-seeking, and midday sun avoidance; fewer sunburns; more awareness of the risk of skin cancer; higher perceived effectiveness of sun protection; higher stage of change; and lower perception of barriers to sun protection (all p<0.05). The intervention group had fewer nevi ≥2 mm in 1 year of the study, 2006 (p=0.03). No differences were found in tanning or nevi <2 mm. CONCLUSIONS: The level of behavior change associated with this single-modality intervention is not likely sufficient to reduce skin cancer risk. However, the intervention shows promise for inclusion in longer-term, multicomponent interventions that have sufficient intensity to affect skin cancer incidence.
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