Table 2

 Summary relative risks found by meta-analyses on sunbed use and cutaneous melanoma

Sunbed useNo of studies in 2005 meta-analysis*Summary relative risk (95% CI)No of studies in present meta-analysisSummary relative risk (95% CI)I2 (%)
Ever use191.15 (1.00 to 1.31)271.20 (1.08 to 1.34)56
Ever use†101.17 (0.96 to 1.42)181.25 (1.09 to 1.43)60
First use in youth (<35 years)71.75 (1.35 to 2.26)131.87 (1.41 to 2.48)0
High useNRNR141.42 (1.15 to 1.74)
First use recently51.10 (0.76 to 1.60)91.18 (0.95 to 1.48)51
First use distant in time‡51.49 (0.93 to 2.38)91.49 (1.18 to 1.88)34

NR=not reported.

*International Agency for Research on Cancer, 2006.

†Cohort or population based case-control studies only.

‡More than five years before diagnosis.