Table 5.
Comparisons between the VIP Study and the MEPEDS/BPEDS.
| VIP Study | MEPEDS/BPEDS | |
|---|---|---|
| Characteristics of Study | ||
|
| ||
| Population-based | No | Yes |
|
| ||
| Participants (N) | 4,040 | 8,579 |
|
| ||
| With astigmatism (n, %) | 687 (17%) | 859 (10%) |
|
| ||
| Age of participants (months) | 36–72 | 6–72 |
|
| ||
| Race (%) | ||
| Non-Hispanic White | 12% | 22% |
| African American | 51% | 43% |
| Hispanic | 20% | 35% |
| Asian | 4% | 0% |
| American Indian | 9% | 0% |
| Other/Unknown | 4% | 0% |
| Risk factors of Astigmatism | Odds ratios in the VIP Study | Odds ratios in MEPEDS/BPEDS |
|---|---|---|
| Spherical equivalent Refractive Error | ||
| > −1.0 D, <2.0 D | 1.00 | 1.00 |
| ≤ −1.0 D | 4.44 (2.95, 6.67) | 4.61 (3.56, 5.96) |
| ≥ 2.0 D | 1.54 (1.28, 1.85) | 1.64 (1.39, 1.94) |
|
| ||
| Race/ethnicity | ||
| Non-Hispanic White | 1.00 | 1.00 |
| African American | 1.66 (1.22, 2.25) | 1.47 (1.18, 1.85) |
| Hispanic | 2.25 (1.62, 3.12) | 2.38 (1.91, 2.97) |
| Asian | 1.79 (1.08, 2.97) | NA |
| American Indian | 0.70 (0.43, 1.13) | NA |
| Other/Unknown | 2.08 (1.31, 3.30) | NA |
|
| ||
| Age of participants (months) | ||
| 36–47 | 0.81 (0.63, 1.05) | 0.85 (0.66, 1.11) |
| 48–59 | 0.95 (0.78, 1.16) | 0.93 (0.72, 1.20) |
| 60–72 | 1.00 | 1.00 |
|
| ||
| Maternal smoking during pregnancy: Yes vs. No | NA | 1.47 (1.18, 1.85) |
NA = Not Available.
MEPEDS = Multi-ethnic Pediatric Eye Disease Study.
BPEDS = Baltimore Pediatric Eye Disease Study.