Table 2.
Parameter estimates from linear regression models. Parameter estimates is an estimate of the amount of the sleep problem per each level of nuclear cataract
| Models | Age/sex adjusted | Further adjusteda | ||
|---|---|---|---|---|
| Parameter est. | P-value | Parameter est. | P-value | |
| Model 1 | ||||
| Level 1 | REF | -- | REF | -- |
| Level 2 | 0.01 | 0.76 | 0.00 | 0.91 |
| Level 3 | 0.09 | 0.10 | 0.07 | 0.21 |
| Level 4 | 0.13 | 0.09 | 0.05 | 0.49 |
| Level 5 | 0.35 | 0.15 | 0.34 | 0.18 |
| Model 2 | ||||
| Nuclear cataract level (1–5) | 0.05 | 0.03 | 0.03 | 0.17 |
| Model 3 | ||||
| No eyes level 4+ | REF | -- | REF | -- |
| One eye level 4+ | 0.04 | 0.57 | 0.00 | 0.99 |
| Two eyes level 4+ | 0.08 | 0.28 | 0.01 | 0.85 |
| Model 4 | ||||
| No IOL | REF | -- | REF | -- |
| Any IOL | 0.23 | <0.001 | 0.06 | 0.23 |
a
Models were adjusted for age, sex, BMI, thyroid disease, PCS/MCS, and smoking.