Table 4: Students’ behaviour according to nationality and risk group.

NationalityHigh-risk group*
GreekOther Pearson's testNoYes Pearson's test
(%) (%) (%) (%)

Do you put a hat on when under the sun?Always
881 (46.4)99 (37.5)0.023835 (46)145 (41.9)0.049
Do you sit in the shade at the beach?
Always943 (49.7)90 (34.1)<0.001857 (47.2)176 (50.9)0.210
Sometimes/Never955 (50.3)174 (65.9)959 (52.8)170 (49.1)
Do you wear sunglasses? Always723 (38.1)109 (41.3)0.459699 (38.5)133 (38.4)0.905
Do you use a sunscreen?Always1515 (79.8)175 (66.3)<0.0011422 (78.3)268 (77.5)0.633
What was the SPF of your sunscreen?Over 30587 (31)54 (20.5)0.001547 (30.2)94 (27.2)0.522
No1116 (58.8)140 (53)1097 (60.4)159 (46)
Last summer, did you get reddish skin or a sunburn on your face or body?Yes646 (34)88 (33.3)0.001579 (31.9)155 (44.8)<0.001
I don’t remember136 (7.2)36 (13.6)140 (7.7)32 (9.2)
How many times did you go to the beach (for a swim) last summer?Less than 20158 (8.8)39 (14.8)<0.001153 (8.8)44 (13.6)0.027
Over 401250 (69.3)152 (57.6)1201 (68.9)201 (62.2)

*The high-risk group consisted of students’ with at least four out of five of the following characteristics: fair skin colour, fair eyes colour, fair hair freckles, and moles.