Table 2. Horizontal and Vertical Angle Kappa ^a.

Variables	Horizontal, mm	Vertical, mm
Males' Age, y
< 20	-0.02 ± 0.54	-0.15 ± 0.40
20-25	-0.03 ± 0.50	-0.13 ± 0.37
25-30	-0.02 ± 0.48	-0.07 ± 0.30
30-35	-0.03 ± 0.49	-0.09 ± 0.30
> 35	-0.01 ± 0.49	-0.30 ± 0.27
Females' Age, y
< 20	-0.01 ± 0.63	-0.20 ± 0.35
20-25	-0.04 ± 0.51	-0.11 ± 0.32
25-30	-0.02 ± 0.49	-0.12 ± 0.34
30-35	-0.03 ± 0.50	-0.06 ± 0.29
> 35	-0.02 ± 0.48	-0.01 ± 0.32
All Participants' Age, y
< 20	-0.01 ± 0.60	-0.18 ± 0.37
20-25	-0.03 ± 0.50	-0.12 ± 0.35
25-30	-0.02 ± 0.48	-0.09 ± 0.32
30-35	-0.03 ± 0.50	-0.08 ± 0.30
> 35	-0.01 ± 0.47	-0.02 ± 0.29
Males	-0.02 ± 0.49	-0.09 ± 0.32
Females	-0.02 ± 0.50	-0.09 ± 0.33
All	-0.02 ± 0.49	-0.09 ± 0.32

^a Data are presented in mean ± SD.