Table 2.
Odds Ratio a (95% CI) |
p Value | Adjusted Odds Ratio b (95% CI) |
p Value | |
---|---|---|---|---|
Sociodemographic factors | ||||
Income | ||||
<NT$ 30,000 | 1.00 | 1.00 | ||
NT$ 30,000–60,000 | 1.22 (1.19–1.24) | <0.0001 | 1.19 (1.16–1.21) | <0.0001 |
NT$ 60,000–90,000 | 1.40 (1.36–1.45) | <0.0001 | 1.36 (1.31–1.41) | <0.0001 |
NT$ 90,000–120,000 | 1.51 (1.40–1.62) | <0.0001 | 1.46 (1.35–1.59) | <0.0001 |
>NT$ 120,000 | 1.57 (1.46–1.70) | <0.0001 | 1.55 (1.42–1.69) | <0.0001 |
Geographical region of Taiwan | ||||
Northern | 0.39 (0.38–0.41) | <0.0001 | 0.42 (0.40–0.44) | <0.0001 |
Central | 0.24 (0.22–0.25) | <0.0001 | 0.24 (0.23–0.26) | <0.0001 |
Southern | 0.34 (0.32–0.35) | <0.0001 | 0.37 (0.35–0.39) | <0.0001 |
Eastern | 1.00 | 1.00 | ||
Residential city status | ||||
Metropolis | 1.00 | 1.00 | ||
Satellite | 0.94 (0.91–0.97) | 0.0002 | 0.92 (0.89–0.96) | <0.0001 |
Rural | 1.16 (1.13–1.18) | <0.0001 | 1.15 (1.12–1.18) | <0.0001 |
Occupation | ||||
Public servant | 1.14 (1.11–1.16) | <0.0001 | 1.14 (1.11–1.16) | <0.0001 |
Farmer | 0.60 (0.58–0.62) | <0.0001 | 0.53 (0.51–0.55) | <0.0001 |
Fisherman | 0.75 (0.70–0.80) | <0.0001 | 0.66 (0.61–0.71) | <0.0001 |
Other | 1.00 | 1.00 | ||
Comorbid conditions | ||||
Post Surgery | ||||
Post-pterygium removal | 3.98 (3.65–4.35) | <0.0001 | 4.01 (3.64–4.43) | <0.0001 |
Post-glaucoma surgery | 2.70 (2.00–3.63) | <0.0001 | 3.16 (2.24–4.47) | <0.0001 |
Post-scleral buckle replacement | 6.68 (5.32–8.39) | <0.0001 | 6.83 (5.34–8.74) | <0.0001 |
Infection | ||||
Syphilis | 5.07 (3.83–6.72) | <0.0001 | 4.01 (2.93–5.50) | <0.0001 |
Tuberculosis | 3.05 (2.69–3.45) | <0.0001 | 2.24 (1.94–2.58) | <0.0001 |
Human herpes viral infection | 9.46 (8.97–9.99) | <0.0001 | 8.54 (8.07–9.03) | <0.0001 |
Systemic Disease | 13.67 (7.61–24.56) | <0.0001 | 7.37 (3.91–13.88) | <0.0001 |
Sjögren syndrome | 44.93 (36.93–54.67) | <0.0001 | 33.53 (27.43–40.97) | <0.0001 |
Rheumatoid arthritis | 5.18 (4.76–5.64) | <0.0001 | 2.93 (2.66–3.23) | <0.0001 |
Granulomatous vasculitis | 13.67 (7.61–24.56) | <0.0001 | 7.37 (3.91–13.88) | <0.0001 |
Systmic lupus erythematosus | 6.53 (5.51–7.74) | <0.0001 | 3.18 (2.63–3.85) | <0.0001 |
Ankylosing spondylitis | 6.92 (6.26–7.65) | <0.0001 | 5.57 (4.99–6.22) | <0.0001 |
Gout | 3.23 (3.11–3.36) | <0.0001 | 2.84 (2.72–2.96) | <0.0001 |
a Odds ratios (ORs) were obtained from a univariate logistic regression analysis; b adjusted ORs were calculated using a multivariable conditional logistic regression model with significant univariate ORs (p < 0.05), and this model was conditioned on age group, sex, and the year of index date. NT$, New Taiwan dollars; CI, confidence interval.