Table 2

General characteristics and risk of reporting any symptom during follow up

Variable		Total cases		p Value
Variable		Number	%	p Value
Sex
Male	751	7.7
Female	1054	7.4	0.86
Age (y)
0–9	214	9.3
10–19	226	6.2
20–29	319	10.0
30–39	367	8.7
40–49	282	6.7
50–64	271	5.9
⩾65	116	2.6
No answer	10
Trend			0.024^2-150
Use of sunglasses
Yes	703	8
No	1099	7.3	0.59
Not available	3
Exposure to sun
No	163	10.4
<15 min/day	681	6.8
15–30 min	531	8.5
>30 min	424	6.6
Not available	6
Trend			0.45
Sun protector
No	288	6.9
Once	659	5.6
Twice	597	9.2
More than twice	260	9.2
Not available	1
Trend			0.048^2-150
To eat on the beach
Yes	346	9.2
No	1459	7.1	0.18
Residential situation
Resident	959	5.8
Holiday maker	607	9.9
Day trippers	239	8.4	0.011^2-150

↵2-150 p values below 0.05.
2-160 p values below 0.01.