Table 2.

The odds ratio (OR) and P value of unmet need using univariate logistic regression analysis.

Variables		OR (95% CI)	P-value
Gender	Male	1
	Female	1.22 (0.88–1.69)	0.212
Age group (years)	≤5	1
	6–20	0.73 (0.14–3.72)	0.68
	21–30	2.06 (0.51–8.4)	0.288
	31–40	1.98 (0.51–7.66)	0.299
	41–50	1.87 (0.2–17.75)	0.559
	51–60	6.38 (1.14–35.83)	0.037
	61–70	19.19 (3.32–110.88)	0.003
	>70	49.94 (7.93–314.65)	<0.001
Education level	Illiterate	1
	Elementary school	0.22 (0.14–0.34)	<0.001
	Middle school	0.1 (0.06–0.17)	<0.001
	High school	0.11 (0.07–0.17)	<0.001
	College	0.22 (0.12–0.41)	<0.001
Type of refractive error	Emmetropia	1
	Myopia	24.39 (15.49–38.42)	<0.001
	Hyperopia	12.36 (8.49–18.01)	<0.001
Astigmatism	No	1
	Yes	11.55 (6.88–19.38)	<0.001

OR: Odds ratio.

CI: Confidence intervals.