TABLE 1.

SPIDER framework with keywords for each search term

SPIDER reference	Search terms
Sample	Women OR men OR adults OR sunbed users OR purposive sampl$ OR theor$ sample$
Phenomenon of Interest	Indoor‐tanning OR sunbed OR tanning bed OR tanning booth OR tanning salon OR solarium OR solaria OR sunlamp OR artificial tanning OR UV tanning OR non‐solar ultraviolet radiation OR non‐solar UV radiation OR nonsolar ultraviolet radiation
Design	Questionnaire$ OR survey$ OR interview$ OR focus group$ OR case stud$ OR observ$ OR participant observ$ OR ethno$ OR phenomonolog$ OR grounded theor$ OR content analys$ OR constant compar$ method$ OR discourse analy$ OR verb$ protocol$ mixed method
Evaluation	View* OR experience* OR opinion* OR attitude* OR perce* OR belie* OR feel* OR know* OR understand*
Research type	Qualitative research OR qualitative‐study$

Note: $ represents truncation. Combined [S AND P of I] AND [(D or E) AND R].