Logistic regression analysis differentiates high from low computer users by facial skin conditions in a population of Chinese women

Applied Informatics

Table 1 Analysis of facial skin characteristics

	Parameter/factors	Method	Evaluation sites
1	Skin spots	VISIA (Canfield Scientific. Inc., USA)	Entire face
2	Stratum Corneum waterloss	Tewameter^® TM300	Nasolabial cheeks
3	Skin sebum	Sebumeter^® Derma Unit SSC 3	Both cheeks and two sites on forehead
4	Skin elasticity	MPA 580-Cutometer^®	Two lateral orbital sites Both medial cheeks
5	Skin hydration	Corneometer^®	Two sites lateral to each nasolabial fold
6	Acne	Visual evaluation	Entire face
7	Sting test	10% lactic acid solution versus normal saline	Nasolabial folds
8	Stratum Corneum waterloss	Red
9	Skin sebum	Blue
10	Skin elasticity	Yellow
11	Skin hydration	Green

Clinical measurement categories (parameter/factors) are listed for parameters in rows 1 through 7. Clinical endpoints listed in rows 8 through 11 were performed at facial sites associated with colored dots under “Methods” section and which are portrayed in the schematic face to the right of rows 8–11