Vitamin D and UV exposure in construction workers—a randomized control trial using text messaging to promote positive behaviours

Author:

Lansdown T C1ORCID,Cowan S1,Nioi A1,Cowie H2,Wendelboe-Nelson C1,Rashid S2,Ritchie P2,Cherrie J W1

Affiliation:

1. Heriot-Watt University, Edinburgh, EH14 4AS, UK

2. Institute of Occupational Medicine, Edinburgh, EH14 4AP, UK

Abstract

Abstract Background The aim of this study was to determine whether a text messaging intervention (supported by a smartphone application) would be effective in the promotion of sun-safe behaviours. Both excessive and insufficient exposure to ultra-violet (UV) radiation were considered. Methods A randomized control crossover trial was conducted. 112 participants from nine sites in the United Kingdom contributed to the study. There were three intervention waves, two in winter (Vitamin D-focussed) and one in summer (UV exposure-focussed). Stages of Change, Standard Erythemal (UV) Dose and assayed blood samples (Vitamin D) were employed to evaluate the effectiveness throughout the 21-day data collection periods. Results The intervention was effective in promoting positive progression in Stages of Change for Vitamin D; and this in turn was predictive of increased Vitamin D levels in participants. More limited positive findings were found with respect to UV exposure. Overall, for those in the Intervention, Vitamin D levels were significantly predicted to increase during both of the winter data collection waves. Conclusions Interventions of this type are recommended to promote healthy Vitamin-D levels in construction workers.

Publisher

Oxford University Press (OUP)

Subject

Public Health, Environmental and Occupational Health,General Medicine

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4. Stages and processes of self-change of smoking: toward an integrative model of change;Prochaska;J Consult Clin Psychol,1983

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