. Author manuscript; available in PMC: 2009 Nov 23.

Published in final edited form as: Pediatrics. 2007 Nov;120(5):e1225–e1228. doi: 10.1542/peds.2006-2951

TABLE 2. Standardized β Coefficients and P Values for Measures of the Retinal Vasculature With Population Characteristics at Age 9 Years.

Variable	Arteriolar Optimality Deviance		Arteriolar Simple Tortuosity		Arteriolar Bifurcation Angle		Arteriolar LDR
	β	P	β	P	β	P	β	P
Model 1
Birth weight, kg	−.182	.023	−.198	.013	−.071	.378	−.016	.841
Gender	.064	.424	.050	.524	.063	.433	−.073	.366
Age, wk	−.001	.989	.087	.258	.121	.120	−.035	.654
Model 2
Birth weight, kg	−.184	.021	−.193	.014	−.068	.393	−.016	.840
Gender	.050	.539	.087	.273	.083	.308	.072	.387
Age, wk	−.011	.892	.068	.374	.093	.236	.042	.597
Systolic BP, mm Hg	.089	.273	.056	.480	.153	.059	−.045	.588
Heart rate, bpm	.040	.629	−.193	.017	−.138	.091	.019	.820
Model 3
Birth weight, kg	−.190	.021	−.179	.026	−.094	.244	−.015	.858
Gender	.048	.554	.091	.255	.075	.352	.072	.387
Age, wk	−.018	.823	.085	.288	.060	.459	.044	.597
Systolic BP, mm Hg	.074	.418	.088	.325	.089	.324	−.041	.658
Heart rate, bpm	.038	.639	−.190	.019	−.144	.077	.019	.818
BMI, kg/m²	.033	.728	−.072	.437	.144	.126	.008	.937

bpm indicates beats per minute.