Table 2

Answers to questionnaire for assessment of malignant melanoma risk among cabin attendants and a sample of the population (all female)

		Cabin attendants (n=856)		Population sample (n=1464)		p value
		n	%	n	%	p value
1.	Have ever had freckles	507	59.3	905	61.8	0.22
2.	Red hair colour	39	4.6	103	7.0	0.02
3.	Blue or green eye colour	741	86.6	1301	88.9	0.10
4.	Number of naevi
	0–20	398	46.5	794	54.2
	21–100	339	39.6	491	33.5
	More than 100	107	12.5	147	10.0	<0.001
5.	Skin reactions when sunbathing
	Always burn, never tan	11	1.3	56	3.8
	Always burn, occasionally tan	87	10.2	223	15.2
	Occasionally burn, always tan	644	75.3	924	63.1
	Never burn, always tan	105	12.3	228	15.6	<0.001
6.	History of severe sunburn after the age of 19
	Never	103	12.0	243	16.6
	1–5 times	522	61.1	880	60.1
	More than 5 times	227	26.5	325	22.2	<0.01
7.	History of severe sunburn before the age of 19
	Never	215	25.1	428	29.2
	1–5 times	490	57.3	744	50.8
	More than 5 times	136	15.9	253	17.3	<0.02
8.	Use of sunbeds/sunlamps
	Never	81	9.5	179	12.2
	1–10 times	236	27.6	457	31.2
	10–100 times	476	55.7	700	47.8
	More than 100 times	62	7.3	123	8.4	<0.01
9.	Use of sunscreen
	Never	27	3.2	145	9.9
	Occasionally	357	41.8	800	54.6
	Always	470	55.0	516	35.2	<0.001
10.	Sunny vacation
	Never	34	4.0	288	19.7
	1–10 times	527	61.6	1011	69.1
	11–20 times	150	17.5	122	8.3
	More than 20 times	144	16.8	40	2.7	<0.001
11.	Travel abroad
	Never	5	4.0	114	7.8
	1–5 times	108	12.6	687	46.9
	6–20 times	280	32.7	545	37.2
	More than 20 times	459	53.7	105	7.2	<0.001
12.	Skin cancer among relatives: yes	86	10.1	128	8.7	0.30
13.	Many naevi among relatives: yes	326	38.1	547	37.4	0.73