TABLE 4.
Associations between EP or LP 25(OH)D, and LP CTX (Fisher-Yates score) or conditional change in CTX1
| Exposure | EP 25(OH)D | LP 25(OH)D | |||
|---|---|---|---|---|---|
| Outcome | LP CTX2 | Δ CTX3 | LP CTX2 | Δ CTX3 | |
| Adjusted for season | n | 486 | 365 | 479 | 358 |
| β | −0.004 | −0.007 | −0.004 | −0.008 | |
| 95% CI | (−0.010, 0.002) | (−0.013, −0.001) | (−0.008, −0.001) | (−0.012, −0.003) | |
| P value | 0.156 | 0.049 | 0.056 | 0.001 | |
| Adjusted for season of delivery, maternal age, parity, BMI, smoking, and height | n | 450 | 358 | 443 | 351 |
| β | −0.003 | −0.006 | −0.004 | −0.008 | |
| 95% CI | (−0.009, 0.003) | (−0.013, 0.001) | (−0.008, −0.001) | (−0.012, −0.003) | |
| P value | 0.396 | 0.097 | 0.054 | 0.002 | |
1
CTX, C-terminal telopeptide of type I collagen; EP, early pregnancy; LP, late pregnancy; 25(OH)D, 25-hydroxyvitamin D.
2
Difference in urinary CTX per unit exposure (Fisher-Yates score), SD.
3
Conditional change in CTX (LP CTX adjusted for EP CTX), SD.