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Table 1 Descriptive statistics of WHS study population who are 60 years and older

From: Eye care utilization by older adults in low, middle, and high income countries

Variable Overall
Mean (SD) or %
N = 35,839
Income status of country of origin  
   Low 31%
   Lower middle 34%
   Upper middle 28%
   High 7%
Age, Years 70 (8)
Female gender 56%
Highest education level  
   No formal schooling 33%
   Less than primary school 16%
   Completed primary school 20%
   Completed secondary school 19%
   Completed high school 7%
   Completed college/university 5%
   Completed post-graduate degree 1%
Setting  
   Urban or Semi-Urban 51%
   Rural 49%
Health status  
   Very good 8%
   Good 28%
   Fair 42%
   Bad or very bad 22%
Diabetes 9%