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. Author manuscript; available in PMC: 2016 Jan 31.
Published in final edited form as: Ophthalmology. 2014 Oct 16;122(2):293–301. doi: 10.1016/j.ophtha.2014.08.014

Table 2.

Results of the univariable and multivariable regression models for prediction of rates of change in NEI VFQ-25 scores.

Univariable model Multivariable model
Coefficient P-value Coefficient P-value
Rate of change in binocular mean sensitivity, per 1dB/year faster loss −2.9 (−3.7 - −2.2) <0.001 −1.8 (−2.5– −1.1) <0.001
Baseline binocular sensitivity, per 1 dB lower −0.3 (−0.4 - −0.3) <0.001 −0.3 (−0.3 – −0.2) <0.001
Change in visual acuity, per 0.1 LogMAR −7.5 (−13.0 - −2.4) 0.004 −0.2 (−4.3 – 4.2) 0.992
History of glaucoma filtering surgey, yes −1.2 (−2.1 - −0.2) 0.013 0.1 (−0.6 – 0.8) 0.854
Age, per decade older −0.5 (−0.7 – −0.2) <0.001 −0.1 (−0.3 – 0.1) 0.450
Gender, female 0.2 (−0.4 – 0.7) 0.537 0.2 (−0.2 – 0.6) 0.355
Ancestry, European descent −0.8 (−1.4 – −0.2) 0.006 −0.4 (−0.8 – 0.1) 0.158
Educational level, at least high school degree 0.2 (−0.8 – 1.3) 0.665 0.5 (−0.4 – 1.3) 0.287
Income, lower than $25,000 −0.5 (−1.5 – 0.4) 0.258 −0.3 (−1.0 – 0.4) 0.454
Marital status, married 0.9 (−0.3 – 0.8) 0.305 0.3 (−0.1 – 0.7) 0.179
Comorbity index 0.0 (−0.2 – 0.2) 0.994 0.1 (−0.1 – 0.3) 0.302
Insurance, yes −0.5 (−1.4 - 0.4) 0.296 −0.2 (−1.0 – 0.6) 0.698

dB = decibel