Table 3 Stratified analysis of the correlation between prognostic nutritional index (PNI) and diabetic retinopathy (DR) in adults in the NHANES 2001–2018.
Subgroup | Model OR (95%CI) | p-value | p for interaction |
|---|---|---|---|
Age | 0.469 | ||
20–40 | 0.96(0.88,1.06) | 0.459 | |
≥ 40 | 0.93(0.90,0.96) | < 0.001 | |
Gender | 0.226 | ||
Male | 0.94(0.91,0.98) | 0.002 | |
Female | 0.92(0.88,0.95) | < 0.001 | |
Race | 0.673 | ||
Mexican American | 0.90 (0.86, 0.95) | < 0.001 | |
Other Hispanic | 0.92(0.85, 1.00) | 0.065 | |
Non-Hispanic White | 0.93 (0.90, 0.97) | < 0.001 | |
Non-Hispanic Black | 0.93 (0.90, 0.96) | < 0.001 | |
Other Race | 0.96 (0.89, 1.05) | 0.374 | |
Marital status | 0.896 | ||
Married | 0.94 (0.90, 0.98) | 0.001 | |
Widowed | 0.93 (0.87, 0.98) | 0.016 | |
Divorced | 0.95 (0.89, 1.01) | 0.116 | |
Separated | 0.91 (0.81, 1.02) | 0.101 | |
Never married | 0.90 (0.83, 0.98) | 0.012 | |
Living with partner | 0.90 (0.78, 1.03) | 0.134 | |
Education status | 0.905 | ||
Less Than 9th Grade | 0.94 (0.89, 0.99) | 0.022 | |
9-11th Grade | 0.94 (0.88, 1.01) | 0.098 | |
High School Grad | 0.94 (0.90, 0.99) | 0.031 | |
Some College or AA degree | 0.92 (0.88, 0.97) | < 0.001 | |
College Graduate or above | 0.91 (0.85, 0.97) | 0.007 | |
Smoking status | 0.244 | ||
YES | 0.95 (0.90, 1.00) | 0.046 | |
NO | 0.95 (0.91, 1.00) | 0.039 | |
Other | 0.91 (0.88, 0.95) | < 0.001 | |
Hypertension | 0.307 | ||
YES | 0.92 (0.90, 0.95) | < 0.001 | |
NO | 0.96 (0.91, 1.01) | 0.078 | |
Other | 0.79 (0.55, 1.13) | 0.194 | |
Alcohol drinking | 0.162 | ||
YES | 0.97 (0.91, 1.03) | 0.260 | |
NO | 0.88 (0.82, 0.95) | 0.001 | |
Other | 0.93(0.90, 0.96) | < 0.001 | |
Poverty-to-income ratio | 0.178 | ||
≤ 1 | 0.91 (0.87, 0.95) | < 0.001 | |
1–3 | 0.95 (0.92, 0.98) | 0.005 | |
> 3 | 0.93 (0.87, 0.98) | 0.015 | |
Diabetic nephropathy | 0.822 | ||
YES | 0.94 (0.86,1.03) | 0.206 | |
NO | 0.94 (0.91, 0.97) | < 0.001 | |
Other | 0.92 (0.86, 0.97) | 0.005 |
