Control

122 cm, UV-filter inner

122 cm, No UV-filter

122 cm, UV-filter outer

112 cm, UV-filter inner

152 cm, UV-filter inner

Forehead

Percent

91.1 (1.0)

86.5 (11.8)

89.9 (11.7)

91.0 (2.2)

92.3 (1.9)

Different

5.9

0.5

0.8

0.6

0.5

0.5

Nose

Percent

91.7 (1.7)

75.1 (18.0)

87.3 (11.9)

85.6 (6.3)

88.6 (4.1)

Different

5.9

0.5

1.5

0.8

0.9

0.7

Left ear

Percent

69.6 (3.7)

66.6 (11.7)

64.5 (12.8)

65.8 (15.4)

72.7 (2.5)

Different

2.7

0.8

0.9

1

1

0.7

Right ear

Percent

86.9 (6.2)

81.3 (7.1)

80.9 (12.9)

84.1 (15.9)

83.8 (6.5)

Different

5.9

0.8

1.1

1.1

0.9

1

Occiput

Percent

78.0 (9.0)

76.1 (10.2)

70.1 (18.5)

72.3 (15.4)

76.9 (8.9)

Different

6

1.3

1.4

1.9

1.7

1.4

Upper back

Percent

71.9 (8.4)

73.2 (13.5)

69.6 (23.1)

64.2 (17.8)

73.8 (10.1)

Different

10.1

2.9

2.7

3

3.6

2.6