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Table 5 Importance ratings of draft OSSAS items by country

From: Patient experiences with oily skin: The qualitative development of content for two new patient reported outcome questionnaires

OSSAS ITEMS (Rank Ordered by Mean Across All Groups)

All Groups Mean++

US Mean(SD)

German Mean (SD)

F value

P value

Overall, how oily does your skin look?

1.5

1.3 (0.4)

1.8 (0.7)

10.12

0.00***

How shiny is your skin?

1.6

1.5 (0.9)

1.8 (0.8)

1.61

0.21

Overall, how oily does the surface of your skin seem when touched?

1.6

1.4 (0.6)

1.8 (0.6)

4.48

0.04*

Overall, without touching or looking at your skin, how oily does your skin feel?

1.9

1.6 (0.8)

2.3 (0.9)

7.84

0.01**

How oily was the blotting paper after pressing it once on your face?

1.9

1.8 (1.0)

2.0 (0.8)

1.10

0.30

How long has it been since you last washed your face?

2.0

1.8 (1.2)

2.1 (0.8)

1.00

0.32

How uncomfortable does your skin feel?

2.0

2.0 (1.2)

1.9 (0.8)

0.10

0.75

How unclean does your skin feel?

2.0

1.9 (1.0)

2.0 (1.0)

0.34

0.56

How sticky is your skin when touched?

2.0

2.3 (1.5)

1.8 (1.0)

1.68

0.20

How visible is your acne?

2.1

2.0 (1.2)

2.2 (1.5)

0.15

0.70

How visible are your pimples?

2.1

2.1 (1.2)

2.1 (1.1)

0.04

0.85

How moist does the skin surface look?

2.1

1.6 (1.0)

2.7 (1.1)

11.24

0.00***

How slippery is your skin when stroked?

2.1

1.7 (0.9)

2.5 (1.1)

8.46

0.01**

How oily do your fingers feel after stroking your skin?

2.1

1.7 (0.9)

2.6 (1.3)

7.66

0.01**

How heavy does your skin feel (i.e., like an additional layer or oily build-up was on the skin)?

2.2

1.9 (1.1)

2.5 (1.1)

3.33

0.08

How visible are your pimples or blackheads?

2.2

2.2 (1.3)

2.3 (1.3)

0.11

0.74

How moist is your skin when touched?

2.3

1.8 (1.1)

2.9 (1.3)

10.09

0.00***

How oily do your fingers or nails look after stroking your skin?

2.3

1.8 (1.0)

3.0 (1.3)

12.40

0.00***

How much do your pores feel, blocked or clogged?

2.5

2.2 (1.2)

2.9 (1.2)

4.31

0.04*

How enlarged do your skin pores look?

2.5

2.5 (1.4)

2.5 (1.1)

0.01

0.91

How flushed (red) is your skin?

2.7

2.6 (1.3)

2.8 (1.3)

0.30

0.59

How bumpy does the surface of your skin feel when stroked?

2.7

2.4 (1.3)

3.1 (1.3)

3.16

0.08

How itchy does your skin feel?

2.9

2.9 (1.5)

2.9 (1.3)

0.02

0.88

How hot does your skin feel?

2.9

2.9 (1.3)

2.9 (0.9)

0.04

0.85

How rough does the surface of your skin feel when stroked?

2.9

2.5 (1.4)

3.3 (1.3)

3.21

0.08

How uneven does your skin surface look due to flaking or dryness?

3.0

2.8 (1.4)

3.4 (1.0)

2.96

0.09

  1. ++ 1, Extremely important; 2, Very Important; 3, Important; 4, A Little Important; 5, Not important at all
  2. * p < .05; ** p < .01; *** p < .001
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Health and Quality of Life Outcomes

ISSN: 1477-7525

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