Table 4 Attractiveness scores mean and significance of gender and age by Chinese raters (n = 281) and Black raters (n = 280)

Deviation

NLC scores for Chinese raters

L scores for Chinese raters

p-value

(mm)

Male (n = 158) mean ± SD

Female (n = 123) mean ± SD

18–30 year (n = 219) mean ± SD

31–51 year (n = 62) mean ± SD

Male (n = 158) mean ± SD

Female (n = 123) mean ± SD

18–30 year (n = 219) mean ± SD

31–51 year (n = 62) mean ± SD

Across gender

Across age

0

2.2 ± 0.9

2.2 ± 0.8

2.3 ± 0.8

2.0 ± 0.8

2.1 ± 0.8

2.2 ± 0.8

2.2 ± 0.8

2.1 ± 0.9

n.s

n.s

1

2.3 ± 0.9

2.2 ± 0.9

2.2 ± 0.9

2.5 ± 1.0

2.1 ± 1.0

2.3 ± 1.1

2.2 ± 1.1

2.3 ± 0.9

n.s

n.s

2

2.3 ± 0.9

2.2 ± 0.9

2.2 ± 0.8

2.4 ± 1.0

2.2 ± 0.9

2.3 ± 0.8

2.2 ± 0.8

2.4 ± 1.0

n.s

n.s

3

2.5 ± 0.9

2.4 ± 0.9

2.4 ± 0.9

2.6 ± 1.1

2.3 ± 1.0

2.4 ± 1.0

2.3 ± 0.9

2.6 ± 1.2

n.s

n.s

4

2.5 ± 0.9

2.7 ± 0.9

2.5 ± 0.9

3.1 ± 1.0

2.6 ± 1.0

2.7 ± 1.2

2.6 ± 1.1

3.0 ± 1.1

n.s

*NLC + L

5

2.6 ± 0.9

2.8 ± 0.8

2.6 ± 0.8

3.0 ± 1.0

2.6 ± 1.0

2.7 ± 0.9

2.5 ± 0.9

3.0 ± 1.0

* NLC

*NLC + L

Deviation

NLC scores for Black raters

L scores for Black raters

p-value

(mm)

Male (n = 158) mean ± SD

Female (n = 123) mean ± SD

18–30 year (n = 206) mean ± SD

31–51 year (n = 74) mean ± SD

Male (n = 158) mean ± SD

Female (n = 123) mean ± SD

18–30 year (n = 206) mean ± SD

31–51 year (n = 74) mean ± SD

Across gender

Across age

0

2.3 ± 1.1

2.3 ± 0.8

2.3 ± 1.0

2.4 ± 0.9

2.2 ± 0.9

2.1 ± 1.0

2.1 ± 0.9

2.3 ± 0.8

n.s

n.s

1

2.3 ± 0.8

2.3 ± 0.8

2.2 ± 0.9

2.5 ± 0.8

2.2 ± 0.9

2.1 ± 1.0

2.1 ± 0.9

2.4 ± 1.0

n.s

* L

2

2.6 ± 1.0

2.3 ± 0.9

2.4 ± 1.0

2.4 ± 0.9

2.4 ± 0.9

2.4 ± 1.1

2.3 ± 1.0

2.4 ± 0.9

* NLC

n.s

3

2.7 ± 0.8

2.4 ± 0.9

2.5 ± 0.8

2.6 ± 0.8

2.5 ± 0.8

2.5 ± 1.3

2.5 ± 1.1

2.6 ± 0.8

* NLC

n.s

4

2.8 ± 0.6

2.8 ± 1.1

2.8 ± 1.0

3.0 ± 0.9

2.9 ± 1.1

2.6 ± 1.1

2.6 ± 1.1

2.8 ± 1.0

n.s

n.s

5

2.9 ± 1.1

2.8 ± 1.1

2.8 ± 1.2

3.1 ± 0.9

2.9 ± 0.9

3.0 ± 1.1

2.9 ± 1.0

3.0 ± 1.0

n.s

* NLC