Table 5.
Overall and CRP Level Stratified Associations between BMI and ciruclating 25-OHD from Unadjusted and Multivariable-adjusted Linear Regression models among prostate Cancer Survivors Aged 20 years or Older from the NHANES 2001–2010 (n=255)
| Circulating 25-OHD (nmol/L) | ||
|---|---|---|
| Unadjusted beta coefficient (95% CI) | Adjusteda beta-coefficient (95% CI) | |
|
All prostate cancer survivors, n=255 |
||
| BMI (kg/m2) | ||
| <25.0 | reference | reference |
| 25.0–29.9 | 5.59 (−2.41 to 13.59) | −0.76 (−7.89 to 6.38) |
| ≥ 30 | 3.69 (−4.38 to 11.75) | −4.02 (−11.52 to 3.47) |
| P-trend | 0.41 | 0.27 |
|
| ||
| Low risk CRP level (<1.0 mg/L), n=74
|
||
| BMI (kg/m2) | ||
| <25.0 | reference | reference |
| 25.0–29.9 | 8.70 (−3.27 to 20.67) | 3.19 (−9.01 to 15.40) |
| ≥ 30 | 7.39 (−3.01 to 17.79) | 2.71 (−12.05 to 17.47) |
| P-trend | 0.15 | 0.72 |
|
| ||
| Moderate risk CRP level (1.1–3.0 mg/L), n=95
|
||
| BMI (kg/m2) | ||
| <25.0 | reference | reference |
| 25.0–29.9 | 4.87 (−9.38 to 19.12) | −1.74 (−15.05 to 11.57) |
| ≥ 30 | 2.51 (−12.30 to 17.32) | −7.30 (−20.91 to 6.32) |
| P-trend | 0.71 | 0.28 |
|
| ||
| High risk CRP level (3.1–9.9 mg/L), n=86
|
||
| BMI (kg/m2) | ||
| <25.0 | reference | reference |
| 25.0–29.9 | 2.66 (−11.49 to 16.82) | −3.12 (−15.37 to 9.14) |
| ≥ 30 | 1.87 (−9.79 to 13.54) | −7.73 (−18.75 to 3.29) |
| P-trend | 0.87 | 0.22 |
a
Adjusted for age, race, smoking status, season of blood draw, dietary vitamin D supplement use, (and CRP in the overall analysis).