Table 2.
Summary relative risks found by meta-analyses on sunbed use and cutaneous melanoma
| Sunbed use | No of studies in 2005 meta-analysis* | Summary relative risk (95% CI) | No of studies in present meta-analysis | Summary relative risk (95% CI) | I2 (%) |
|---|---|---|---|---|---|
| Ever use | 19 | 1.15 (1.00 to 1.31) | 27 | 1.20 (1.08 to 1.34) | 56 |
| Ever use† | 10 | 1.17 (0.96 to 1.42) | 18 | 1.25 (1.09 to 1.43) | 60 |
| First use in youth (<35 years) | 7 | 1.75 (1.35 to 2.26) | 13 | 1.87 (1.41 to 2.48) | 0 |
| High use | NR | NR | 14 | 1.42 (1.15 to 1.74) | — |
| First use recently | 5 | 1.10 (0.76 to 1.60) | 9 | 1.18 (0.95 to 1.48) | 51 |
| First use distant in time‡ | 5 | 1.49 (0.93 to 2.38) | 9 | 1.49 (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.