Retinal nerve fiber layer thickness and cognitive ability in older people: the Lothian Birth Cohort 1936 study

BMC Ophthalmology

Table 5 General Linear Models examining the relationship between RNFL thickness in each quadrant and cognitive outcomes at age ~72 (p values and partial eta squared values)

	G-Factor		G-Speed		G-Memory		Age 11 IQ
	P	η²	P	η²	P	η²	P	η²
Superior Area	.089 (.034)	.006 (.052)	.141 (.093)	.026 (.034)	.321 (.294)	.012 (.013)	.924	.000
Temporal Area	.878 (.950)	.000 (.000)	.763 (.566)	.001 (.004)	.866 (.984)	.000 (.000)	.734	.001
Inferior Area	.063 (.023)	.040 (.059)	.049 (.034)	.045 (.053)	.660 (.646)	.002 (.002)	.905	.000
Nasal Area	.238 (.082)	.017 (.036)	.235 (.161)	.017 (.024)	.087 (.087)	.034 (.035)	.733	.001
Global RNFL	.126 (.029)	.030 (.058)	.103 (.048)	.034 (.050)	.225 (.270)	.018 (.015)	.757	.001

Note. All associations adjusted for age at time of cognitive assessment and sex.
^aAssociations given in brackets are controlled for age 11IQ (MHT scores at age 11 converted at an IQ type score) scores.
Statistically significant associations and their corresponding η² are given in bold typeface.
N = 82–90.

ISSN: 1471-2415