Table 3 Mean estimation and Multiple linear regression of visual functions by independent variables in Shahroud, Iran, 2014
From: Visual functions and disability in Iranian adults: a population-based study
Rmean | Mean | 95% CI | Coefficient | 95%CI | p-value | |
|---|---|---|---|---|---|---|
Age group | 45–49 | -3.98 | -4.08, -3.86 | Ref | ||
50–54 | -4.02 | -4.11, -3.93 | -0.08 | -0.21, 0.05 | 0.26 | |
55–59 | -4.00 | -4.09, -3.90 | -0.10 | -0.24, 0.03 | 0.15 | |
60–64 | -3.89 | -4.01, -3.77 | -0.10 | -0.25, 0.05 | 0.19 | |
65-69 | -3.74 | -3.90, -3.59 | -0.08 | -0.26, 0.09 | 0.35 | |
Gender | Male | -4.16 | -4.23, -4.08 | Ref (male=0, female=1) | 0.005 | |
Female | -3.81 | -3.88, -3.74 | 0.14 | 0.04, 0.23 | ||
Economic Status | High | -4.26 | -4.34, -4.17 | Ref | ||
Moderate | -3.94 | -4.02, -3.86 | 0.16 | 0.04, 0.27 | 0.005 | |
Low | -3.64 | -3.75, -3.54 | 0.28 | 0.14, 0.42 | <0.001 | |
Education | Illiterate | -3.15 | -3.33, -2.97 | Ref | ||
Primary | -3.80 | -3.90, -3.71 | -0.59 | -0.80, -0.39 | <0.001 | |
Guidance | -3.96 | -4.08, -3.84 | -0.69 | -0.90, -0.48 | <0.001 | |
High School | -4.20 | -4.28, -4.11 | -0.88 | -1.09, -0.67 | <0.001 | |
College | -4.47 | -4.59, -4.35 | -1.06 | -1.30, -0.82 | <0.001 | |