Table 1.
The two-stage least squares (2SLS) method evaluated the impact of varying levels of body mass index (BMI) on lymphocyte telomere length (LTL). SE, standard error; MR2, multiple R-squared; AR2, adjusted R-squared. a, PIVW=0.06; b, PIVW=0.0002.
| Subgroup | Estimate | SE | P | MR2 | AR2 | Wald test |
|---|---|---|---|---|---|---|
| Overweight (BMI 25 ~ 29.9Kg/m2) | ||||||
| Intercept | 5.35E-04 | 5.75E-04 | 3.62E-01 | 0.0271 | -0.0135 | 0.67 |
| Predicted | -6.77E-03 | 8.28E-03 | 4.22E-01 | |||
| Obesity class I (BMI 30 ~ 34.9Kg/m2) | ||||||
| Intercept | 9.02E-05 | 4.81E-04 | 8.52E-01 | 0.1575 | 0.1341 | 6.73 |
| Predicted | -1.20E-02 | 4.64E-03 | 1.36E-02a | |||
| Obesity class Ⅱ (BMI 35 ~ 39.9Kg/m2) | ||||||
| Intercept | 4.70E-04 | 5.11E-04 | 3.66E-01 | 0.0934 | 0.0621 | 2.99 |
| Predicted | -6.26E-03 | 3.62E-03 | 9.46E-02 | |||
| Obesity class Ⅲ (BMI > 40Kg/m2) | ||||||
| Intercept | 1.98E-05 | 8.52E-04 | 9.82E-01 | 0.5944 | 0.5365 | 10.26 |
| Predicted | -1.14E-02 | 3.56E-03 | 1.50E-02b | |||