Table 3.

Results of the questionnaire administration for the assessment of exposure to solar ultraviolet radiation at work in the group of agricultural (A, n=59) and construction workers (C, n=131). The valid percentages of responders are reported in the cells for each item, in case of significant statistical difference at the Pearson’s chi-square test the p value is reported in the last column

	Never		Seldom		Sometimes		Often		Always		P
	A	C	A	C	A	C	A	C	A	C
Working outdoor	1.8	0	1.8	5.0	7.1	17.4	39.3	57.9	50.0	19.8	<0.001
Having lunch outdoor	51.8	39.3	32.1	17.0	14.3	27.4	1.8	12.8	0	3.4	0.005
Working postures
Standing: looking down	6.7	10.3	11.1	8.0	57.8	39.1	24.4	40.2	0	2.3	0.19
Standing: looking straight ahead	3.6	13.7	3.6	5.9	21.4	17.6	60.7	52.0	10.7	10.8	0.30
Standing: looking up	4.3	9.8	17.4	25.6	52.1	39.0	23.9	24.4	2.2	1.2	0.50
Bent over	7.7	13.5	46.2	10.8	46.2	51.4	0	24.3	0	0	0.02
Sitting: looking down	27.0	19.3	24.3	16.9	29.7	27.7	18.9	26.5	0	9.6	0.23
Sitting: looking straight ahead	18.0	20.0	8.0	16.2	30.0	15.0	38.0	33.8	6.0	15.0	0.12
Sitting: looking up	35.1	21.9	27.0	27.4	21.6	32.9	13.5	13.7	2.7	4.1	0.45
Working in shades	12.3	9.6	36.8	17.5	33.3	55.3	17.5	13.2	0	4.4	0.008
Working close to reflecting surfaces	34.5	9.5	41.4	19.8	13.8	44.8	10.3	15.5	0	10.3	<0.001
Wearing a hat	6.9	33.9	6.9	12.4	8.6	18.2	25.9	14.9	51.7	20.7	<0.001
Wearing sunglasses	32.8	42.0	17.2	15.1	19.0	16.0	13.8	13.4	17.2	13.4	0.82
Wearing glasses/contact lenses	81.5	76.5	1.9	6.1	0	4.3	1.9	1.7	14.8	11.3	0.96
Wearing UV protective clothes	12.5	15.5	21.4	20.7	23.2	30.2	26.8	21.6	16.1	12.0	0.77
Using sunscreens	44.8	56.7	20.7	20.8	13.8	15.0	10.3	4.2	10.3	3.3	0.14