Associations between LTPA and circulating 25-OHD level from unadjusted and adjusted logistic regression models among cancer survivors aged 20 years or older from the NHANES (2001–2010)
| 2001–2006* | Circulating 25-OHD ≥50 nmol/L (n=534) | |
| Reference Circulating 25-OHD <50 nmol/L (n=259) | UnadjustedPrevalence ratio (95% CI)† | Adjusted‡Prevalence ratio (95% CI)† |
| LTPA | ||
| Inactive | Reference | Reference |
| Insufficiently active | 1.19 (1.02 to 1.33) | 1.10 (0.88 to 1.27) |
| Sufficiently active | 1.36 (1.30 to 1.45) | 1.32 (1.19 to 1.41) |
| p For trend | <0.001 | <0.001 |
| Outdoor physical activity | ||
| Inactive | Reference | Reference |
| Insufficiently active | 1.21 (1.10 to 1.30) | 1.16 (1.01 to 1.27) |
| Sufficiently active | 1.24 (1.11 to 1.33) | 1.22 (1.06 to 1.32) |
| p For trend | 0.001 | 0.009 |
| Indoor physical activity | ||
| Inactive | Reference | Reference |
| Insufficiently active | 1.19 (0.99 to 1.33) | 1.10 (0.87 to 1.27) |
| Sufficiently active | 1.21 (1.05 to 1.33) | 1.07 (0.88 to 1.23) |
| p For trend | 0.006 | 0.32 |