Table 1.

Demographic Characteristics: Age, Work History, and Fitzpatrick Skin Phototype

Characteristic	IWs (n = 31)	OWs (n = 29)
Age, y, median (IQR)	47 (36–56)	52 (32–60)
Work history, y, median (IQR)	20 (15–28)	26 (13–35)
Skin phototype II, n (%)	8 (28.57)	7 (23.33)
Skin phototype III, n (%)	14 (50.00)	20 (66.67)
Skin phototype IV, n (%)	3 (10.71)	2 (6.67)
Skin phototype V, n (%)	1 (3.57)	0 (0.00)
Skin phototype VI, n (%)	2 (7.14)	1 (3.33)

Abbreviations: IQR, interquartile range; IW, indoor worker; OW, outdoor worker.