Table 1. Geometric mean benzophenone-3 (µg/g creatinine) according to frequency of sunscreen use (n=4412).
Frequency of sunscreen use | Geometric mean BP-3 concentration (µg/g creatinine) | p-value |
---|---|---|
Never | 9.3 | ref |
Rarely | 14.8 | <0.01 |
Sometimes | 32.3 | <0.01 |
Most of the time | 74.2 | <0.01 |
Always | 116.8 | <0.01 |