Table 3.
Age-Stratified Association of Early Life Ambient Ultraviolet (UV) Radiation and Melanoma Diagnosed at ages 0-29 in California (1988-2013)
| By Age Categorya | ||||||
|---|---|---|---|---|---|---|
| 0-4 y | 5-9y | 10-14y | 15-19y | 20-24y | 25-29y | |
| Cases (n) | 48 | 56 | 136 | 386 | 549 | 202 |
| Controls (n) | 961 | 1,120 | 2,711 | 7,698 | 10,939 | 3,960 |
| OR (95%CI) | OR (95%CI) | OR (95%CI) | OR (95%CI) | OR (95%CI) | OR (95%CI) | |
| UV Quartilesb | ||||||
| Q1 (UV = 3912-4946) | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| Q2 (UV > 4946 -5036) | 1.67 (0.68, 4.16) | 0.90 (0.42, 1.93) | 1.14 (0.66, 1.96) | 1.81 (1.32, 2.47) | 1.42 (1.11, 1.81) | 1.25 (0.82, 1.90) |
| Q3 (UV > 5036-5121) | 1.68 (0.70, 4.05) | 1.14 (0.54, 2.39) | 1.36 (0.83, 2.22) | 1.85 (1.37, 2.50) | 1.17 (0.91, 1.51) | 1.32 (0.88, 1.96) |
| Q4 (UV = 5121-5752) | 1.73 (0.68, 4.39) | 0.72 (0.30, 1.72) | 1.40 (0.83, 2.36) | 1.65 (1.19, 2.30) | 1.08 (0.83, 1.41) | 1.36 (0.89, 2.09) |
a
Model includes UV quartile, SES, Birth Weight, Sex, and Maternal Characteristics (Age, Race, and Ethnicity)
b
Quartiles determined by distribution in controls; represents average daily ambient UV in watts/m2 based on mother’s residential address on the birth record