Table 4.

Regressions examining the factors associated with AVF Shape Asymmetry ^{* †}

Characteristic	Horizontal/Vertical ratio < 0.8 N=159	Horizontal/Vertical ratio > 1.2 N=751
Age (per yr/increment)	1.00 (0.96–1.04)	1.00 (0.98–1.02)
Females/Males	0.85 (0.58–1.25)	0.89 (0.70–1.13)
Blacks/Whites	0.80 (0.45–1.42)	0.96 (0.65–142)
Years of education/yr	1.02 (0.95–1.10)	1.03 (0.98–1.08)
Brief test of attention	1.02 (0.94–1.11)	1.04 (0.99–1.10)
Time trails B (per add 10 sec)	0.98 (0.95–1.00)	0.98 (0.96–0.99)
Visual acuity (per line gain)	1.23 (1.03–1.47)	1.09 (0.97–1.22)
Binocular Contrast (inc 3 letters)	1.12 (0.9–1.38)	1.06 (0.93–1.20)
VF points missing (inc 5)	0.91 (0.63–1.32)	0.63 (0.43–0.93)

^*Adjusted for AVF area

^†Results listed as Odds Ratio (95% CI). Results in bold are statistically significant at p ≤ 0.05