Table 2. Mean numbers of nevus subtypes in relation to constitutional and biographic variables
|
Variable |
|
Mean number of nevi |
Mean number of flat nevi |
Mean number of Miescher nevi |
Mean number of Unna nevi |
|
Eye color |
Blue/grey/green |
64.1 |
59.1 |
3.7 |
1.6 |
|
Brown |
61.9 |
56.6 |
3.8 |
1.8 |
|
|
Skin type (Fitzpatrick) |
Type I |
55.1 |
48.7 |
4.2 |
2.1 |
|
Type II |
75.6*1 |
69.3 |
4.3 |
2.1 |
|
|
Type III |
68.1*1 |
63.2 |
4.0 |
1.8 |
|
|
Type IV |
53.2 |
49.6 |
2.8 |
0.9 |
|
|
Hair color in the youth |
Red/fair |
66.9 |
61.1 |
4.5*2 |
2.0*2 |
|
Brown/black |
59.9 |
55.9 |
2.9 |
1.3 |
|
|
Sunburns |
“do not remember” |
20.7*3 |
16.8*3 |
2.9 |
1.3 |
|
“do remember generally” |
61.9 |
57.7 |
3.3 |
1.7 |
|
|
“do remember concretely” |
68.9 |
63.3 |
4.1 |
1.7 |
|
|
Outdoor habits (regular occasions of solar exposure) |
0-4 types of activities |
49.2* |
44.2*4 |
3.5 |
2.1*5 |
|
5-12 types of activities |
79.8* |
74.7*4 |
4.0 |
1.2*5 |
1p<0.05 for skin types II and III in comparison with skin types I and IV
2p<0.01 for the comparison with brown/black hair
3p<0.001 in comparison with “do remember generally” and “do remember concretely”
4p<0.001 for the dependency of mean nevus counts on occasions of solar exposure
5p<0.001 for the decrease of Unna nevi with increasing counts on occasions of solar exposure