Table 1.
Summary statistics and simple linear regression results
| Characteristic | Participants (n = 4,018) | P |
|---|---|---|
| VCDR | 0.3 (0.2) | - |
| Age, year | 56.7 (10.4) | <0.0001 |
| Gender, male | 42.5% | 0.0022 |
| BMI, kg/m2 | 30.9 (5.5) | 0.0798 |
| SBP, mmHg | 123.8 (19.1) | <0.0001 |
| CCT, µm | 550.1 (33.7) | 0.8259 |
| IOP, mmHg | 14.7 (3.0) | <0.0001 |
| T2D, yes | 25.0% | 0.0052 |
| Smoking status | 0.9565 | |
| Never | 60.7% | |
| Former | 25.4% | |
| Current | 13.9% | |
| Education, yr | 0.0785 | |
| ≤ 6 | 44.6% | |
| 7–11 | 21.9% | |
| ≥ 12 | 33.4% | |
| IncomeŦ | 0.0479 | |
| < $20,000 | 50.0% | |
| $20,000–$40,000 | 35.9% | |
| > $40,000 | 14.1% | |
| POAG, % | <0.0001 | |
| Cases | 5.7% | |
| Controls | 94.3% | |
| Weighted GRS | 0.8 (0.1) | <0.0001 |
Abbreviations: VCDR, vertical cup-disc ratio; BMI, body mass index; SBP, systolic blood pressure; CCT, central corneal thickness; IOP, intraocular pressure; T2D, type 2 diabetes; POAG, primary open angle glaucoma; GRS, genetic risk score.
Mean and standard deviation are shown for all statistics except for gender, type 2 diabetes, smoking status, education, income, and primary open angle, which are shown as percentages.
Ŧ
Data missing for 513 study participants.