Table 4.
Distribution of participants by quintiles of ambient temperature and quintiles of UVR, lagged by 20 years in the U.S. Radiologic Technologists study1
| UVR | Ambient Temperature, N (%) | |||||
|---|---|---|---|---|---|---|
|
| ||||||
| Q1 | Q2 | Q3 | Q4 | Q5 | Total | |
| Q1 | 8013 (62.1) | 1625 (12.7) | 718 (5.5) | 989 (7.7) | 1568 (12.1) | 12913 (20.0) |
| Q2 | 4149 (32.1) | 5156 (40.2) | 1637 (12.6) | 939 (7.3) | 1032 (8.0) | 12913 (20.0) |
| Q3 | 698 (5.4) | 4998 (39.0) | 4678 (36.0) | 1151 (8.9) | 1299 (10.1) | 12824 (19.9) |
| Q4 | 26 (0.2) | 1031 (8.0) | 5418 (41.7) | 4758 (36.9) | 1768 (13.7) | 13001 (20.1) |
| Q5 | 25 (0.2) | 10 (0.2) | 548 (4.2) | 5074 (39.3) | 7249 (56.1) | 12915 (20.0) |
|
| ||||||
| Total | 12911 (20.0) | 12829 (19.9) | 12999 (20.1) | 12911 (20.0) | 12916 (20.0) | 64566 (100.0) |
1
Temperature quintiles (Q1–Q5): 46.3–69.0; 69.0–71.2; 71.2–73.3; 73.3–76.6; 76.6–93.6 F° UVR quintiles (Q1–Q5): 75.8–175.6; 175.6–183.7; 183.7–196.2; 196.2–220.5; 220.5–312.2 J/m2;