中年组 | 常年防晒 | 只夏季防晒 | 常年不防晒 | P值 |
紫外线色斑 | 38.7 ± 5.31 | 55.4 ± 3.27 | 82.7 ± 3.41 | 0.024 |
皱纹 | 52.4 ± 6.71 | 59.9 ± 6.37 | 62.7 ± 7.67 | 0.047 |
斑点 | 42.7 ± 2.42 | 49.3 ± 5.13 | 72.6 ± 6.87 | 0.037 |