Skin cancers and their risk factors in older persons: a population-based study

BMC Geriatrics

Table 3 Risk factors for ‘lifelong skin cancer’

	Lifelong skin cancer or precursor^a		OR (univariable)	OR (multivariable)^c
	No n (%)	Yesn (%)^b	OR (univariable)	OR (multivariable)^c
Sex
Female	236 (68.2)	110 (31.8)	Ref	Ref
Male	117 (56.8)	89 (43.2)	1.63 (1.14-2.33, p = 0.007)	1.49 (0.99-2.23, p = 0.053)
Age
Mean (SD)	75.6 (4.1)	76.8 (4.3)	1.07 (1.03-1.12, p = 0.001)	1.05 (1.01-1.11, p = 0.027)
Outdoor working
No	312 (65.8)	162 (34.2)	Ref	Ref
Yes	41 (53.2)	36 (46.8)	1.69 (1.04-2.75, p = 0.034)	1.92 (1.10-3.37, p = 0.022)
Fitzpatrick’s skin type
I-III	277 (63.0)	163 (37.0)	Ref	Ref
IV	74 (67.3)	36 (32.7)	0.83 (0.53-1.28, p = 0.400)	0.92 (0.56-1.49, p = 0.736)
Socioeconomic status
No education/Primary school	74 (71.2)	30 (28.8)	Ref	Ref
Secondary school	130 (67.4)	63 (32.6)	1.20 (0.71-2.03, p = 0.501)	1.19 (0.70-2.05, p = 0.528)
Post-secondary level education/vocational college/university	111 (58.4)	79 (41.6)	1.76 (1.06-2.96, p = 0.032)	1.70 (1.00-2.95, p = 0.055)

There may be some missing data while not all participants reported complete information on health questionnaires
CRHC the Finnish Care Register for Health Care, SD standard deviation, TBSE total body skin examination, OR odds ratio
^aData from CRHC, TBSE and from self-reporting
^bThere can be some missing data while all participants have not given a permission to use CRHC data
^c Logistic regression analysis, adjusted for sex, age, outdoor working, Fitzpatrick’s skin type, socioeconomic status, previous history of skin cancer (CRCH and self-reported data). A Wald z-statistic was used for p-values

ISSN: 1471-2318