TABLE 3.

Presenting visual acuity of cataract-operated eyes and odds ratios in multiple logistic regression modeling of visual acuity ≥20/63 with sex, age, and education level within the 2014 study sites.

Study Site	Operated Eyes	Presenting Visual Acuity				Odds Ratio (P Value) a
		≥20/32	20/40–20/63	<20/63–20/200	<20/200	Female Sex	Age Category (Reference: 50–59)			Education Level (Reference: None)
							60–69	70–79	80+	< Primary	Primary	Secondary
Beijing	298	30.2	37.9	17.5	14.4	0.98 (0.960)	1.41 (0.499)	1.24 (0.644)	0.98 (0.978)	0.68 (0.688)	0.54 (0.267)	0.78 (0.634)
Jiangsu	281	38.1	28.8	19.9	13.2	1.01 (0.974)	1.03 (0.948)	1.26 (0.713)	0.60 (0.417)	1.64 (0.262)	2.63 (0.062)	0.70 (0.403)
Guangdong	504	18.7	42.9	18.7	19.8	0.98 (0.933)	0.72 (0.500)	0.92 (0.856)	0.50 (0.074)	0.86 (0.505)	0.52 (0.331)	0.93 (0.797)
Heilongjiang	112	34.8	25.0	17.0	23.2	0.74 (0.484)	1.49 (0.550)	1.20 (0.727)	0.44 (0.362)	1.07 (0.484)	1.09 (0.891)	3.40 (0.229)
Jiangxi	341	18.2	29.0	28.2	24.6	0.68 (0.163)	3.54 (0.051)	1.55 (0.470)	1.01 (0.983)	0.65 (0.176)	0.80 (0.667)	0.40 (0.185)
Hebei	297	33.0	28.0	21.2	17.9	0.70 (0.135)	0.54 (0.318)	0.62 (0.425)	0.30 (0.037)*	2.58 (0.064)	1.86 (0,043)*	0.96 (0.898)
Ningxia	122	25.4	32.8	20.5	21.3	0.76 (0.537)	0.92 (0.873)	1.44 (0.403)	0.73 (0.684)	1.16 (0.806)	0.96 (0.951)	1.72 (0.357)
Chongqing	494	43.1	31.2	16.6	9.11	0.79 (0.389)	2.63 (0.118)	4.00 (0.019)*	6.98 (0.002)*	1.07 (0.804)	2.67 (0.015)*	3.57 (0.007)*
Yunnan	428	46.0	10.5	24.5	19.0	0.82 (0.330)	0.67 (0.367)	0.35 (0.023)*	0.35 (0.083)	0.92 (0.850)	0.54 (0.326)	No data
All Sites	2,877	32.4	29.9	20.6	17.2	0.83 (0.006) **	1.06 (0.777)	1.06 (0.760)	0.85 (0.436)	1.18 (0.125)	1.33 (0.027)*	1.33 (0.054)

^aStatistical significance at the P ≤0.050 level is indicated by an asterisk (*). .