Table 5 The logistic regression analysis and consequent odds ratios for subjects with BCC and SCC and/or PM lesions compared to subjects with SCC and/or PM

Age years

1.042

1.005–1.081

1.099

1.040–1.160

Sex

 Male

1 (ref)

1 (ref)

 Female

0.843

0.504–1.408

0.560

0.275–1.140

Immunosuppression

 No

1 (ref)

1 (ref)

 Yes

1.000

0.507–1.973

1.118

0.456–2.738

Past or present extracutaneous malignancy

1.117–7.219

 No

1 (ref)

1 (ref)

 Yes

2.745

 1.287–5.855

2.839

 1.117–7.219

Occupation type

 mainly indoor

1 (ref)

1 (ref)

 mainly outdoor/mix

0.695

0.411–1.175

0.507

0.258–0.998

Lifetime sunburns

 rarely

1 (ref)

1 (ref)

 occasionally

0.834

0.465-1.495

0.921

0.457–1.856

 often

1.375

0.684–2.765

2.045

0.889–4.700

Number of moles

 0–20

1 (ref)

1 (ref)

 21–50

1.9531

1.026–3.719

2.557

1.175–5.565

 51–100

1.492

0.584–3.809

1.132

0.388–3.307

 over 100 moles

1.046

0.336–3.260

1.624

0.390–6.775

Alcohol consumption

 never

1 (ref)

1 (ref)

 ≤ 1x /month

1.497

0.679–3.303

2.375

0.914–6.174

 3-4x /month

0.948

0.421–2.132

1.125

0.404–3.131

 1-2x/week or more

1.176

0.506–2.738

1.019

0.343–3.023

Platelet-to-lymphocyte-ratio

1.000

0.995–1.004

0.999

0.994–1.005

Number of AKs diagnosed at the visit

 0

1 (ref)

1 (ref)

 1–3

0.636

0.318–1.272

0.524

0.223–1.231

 4–10

0.618

0.284–1.346

0.246

0.088–0.691

 over 10

0.651

0.272–1.561

0.252

0.079–0.807

PAASI score

1.005

0.998–1.011

1.003

0.996–1.011