Writing with the Eyes: The Effect of Age on Eye-Tracking Performance in Non-Disabled Adults and a Comparison with Bimanual Typing

Table 1

Participant demographics.

	Age group	Subjects (N)	Sex	Dominant hand	Vision aid	Age (years); Mean (SD)	Education (years); Mean (SD)
Group 1	20–29	10	4M/6F	10R/0L	1G/1C/8N	24.1 (2.5)	15.7 (1.7)
Group 2	30–39	10	5M/5F	9R/1L	1G/3C/6N	35.2 (3.5)	17.5 (2.6)
Group 3	40–49	12	2M/10F	11R/1L	1G/3C/8N	44.6 (3.2)	13.6 (3.2)
Group 4	50–59	11	4M/7F	10R/1L	5G/0C/7N	54.9 (2.7)	17.0 (3.0)
Group 5	60–69	10	6M/4F	10R/0L	4G/0C/5N	63.4 (2.5)	13.9 (5.5)
Group 6	70–79	10	5M/5F	9R/1L	8G/0C/2N	74.7 (3.7)	8.0 (0.0)
		63	26M/37F	59R/4L	20G/7C/36N

N, number; F, female; M, male; R, right; L, left; G, glasses; C, contact lenses; N, none.