Table 2.
Logistic regression analysis of particulate matter (PM)2.5 level and POAG.
| n (%) | Distribution of PM2.5 (μg/m3) | Odd ratio (95% CI) | |||||
|---|---|---|---|---|---|---|---|
| Comparison | POAG | Median | Mean (SD) | Follow up Months Mean (SD) |
Univariate | Multivariate | |
| Total participants | |||||||
| Per WHO standard level increase | 2580 | 645 | 1159.84 | 1262.18 (629.57) | 48.05 (15.07) | 1.248 (1.106–1.408) | 1.193 (1.050–1.356) |
| PM2.5 WHO standard level (reference: normal standard) | |||||||
| Normal level | 210 (8.14%) | 56 (8.56%) | 691.30 | 688.4 (283.57) | 43.30 (16.05) | Reference | Reference |
| WHO 1.0 level | 1457 (56.47%) | 318 (48.62%) | 1046.42 | 1080.31 (469.86) | 42.90 (15.08) | 0.818 (0.595–1.126) | 0.825 (0.588–1.158) |
| WHO 1.5 level | 797 (30.89%) | 209 (31.96%) | 1478.70 | 1569.97 (680.75) | 52.00 (13.93) | 0.983 (0.706–1.370) | 0.982 (0.690–1.396) |
| WHO 2.0 level | 116 (4.5%) | 62 (9.48%) | 2221.87 | 2193.60 (133.81) | 53.56 (11.83) | 2.004 (1.308–3.071) | 1.668 (1.045–2.663) |
Abbreviation: CI: confidence interval; POAG: primary open-angle glaucoma; SD: standard deviation; WHO: World Health Organization. Adjusted for gender, age, low income, urbanization level, and comorbidity.