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Br J Ophthalmol 89:1089-1093 doi:10.1136/bjo.2005.068429
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Visual acuity in northern China in an urban and rural population: the Beijing Eye Study

Table 7

 Best corrected visual acuity (mean (SD); logarithmic value of the minimal angle of resolution (logMAR)) in the education subgroups in the rural population group and urban population group

Education Rural group Urban group p Value (95% CI)
No BCVA Median logMAR No BCVA Median logMAR
BCVA, best corrected visual acuity.
For 29 subjects in the rural group and for 10 subjects in the urban group, data on the educational background were not available. For 29 (1.5%) subjects from the rural region and 10 (0.4%) subjects from the urban region, data on the level of education were not available.
No data 29 0.54 (0.31) 0.60 −0.40 (0.53) 10 0.89 (0.17) 1.00 −0.33 (0.94) <0.001 (−0.511 to −0.191)
Illiteracy 304 0.70 (0.33) 0.80 −0.26 (0.50) 49 0.62 (0.34) 0.60 −0.38 (0.57) 0.13 (NS) (−0.023 to 0.1849
Some reading 112 0.83 (0.25) 1.00 −0.14 (0.34) 14 0.59 (0.28) 0.60 −0.38 (0.35) 0.006 (0.081 to 0.417)
Primary school 533 0.89 (0.23) 1.00 −0.09 (0.29) 133 0.83 (0.26) 1.00 −0.15 (0.33) 0.010 (0.015 to 0.111)
Middle school 989 0.96 (0.14) 1.00 −0.04 (0.24) 796 0.89 (0.21) 1.00 −0.07 (0.25) <0.001 (0.051 to 0.085)
College 5 0.84 (0.36) 1.00 −0.14 (0.31) 1464 0.94 (0.17) 1.00 −0.04 (0.17) 0.55 (NS) (−0.547 to 0.341)

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