Table 1.

Vision Descriptives

	Mean or Proportion	SD	95% Conf. Interval Lower	Upper	N

GVIP:
Poor Vision, 2004^*	0.108	0.002	0.103	0.112	19143
Vision Score: Average	5.030	0.002	5.027	5.033	19143
Vision Score: Difference	0.048	0.001	0.047	0.050	19143
Wearing Glasses before Project	0.011	0.102	0.009	0.012	19178
Received Glasses from Project	0.057	0.232	0.054	0.060	19020
GSCF:
Poor Vision, 2004	0.166	0.372	0.149	0.184	1780
Vision Score: Average	5.008	0.007	4.995	5.022	1780
Vision Score: Difference	0.076	0.004	0.068	0.085	1780
Wears Glasses, 2004	0.071	0.257	0.060	0.084	1814

Poor vision is coded as “1” if either eye has a vision score less than or equal to a 4.8 cutoff.