Table 3 Association of factors measured in early pregnancy on duration of gestation among women with miscarriage
From: Physical fitness, serum relaxin and duration of gestation
Simpe linear regression | Multiple linear regression R2 = 0.47, p < 0.0001 | ||||
|---|---|---|---|---|---|
Variable | Estimate | R2 | p= | Estimate | p= |
Age (yr) | −1.4 | 0.09 | 0.21 | ||
Weight (kg) | −0.5 | 0.04 | 0.41 | ||
Height (m) | −154 | 0.13 | 0.12 | ||
Number of deliveries | −4.8 | 0.05 | 0.35 | ||
Number of pregnancies | −4.0 | 0.05 | 0.32 | ||
University education (no/yes) | 3.1 | 0.03 | 0.46 | ||
Current smoking (no/yes) | 0.30 | 0.00 | 0.97 | ||
Absolute \( \dot{V}{O}_2 \) peak, est. (l/min) | −20.5 | 0.22 | 0.04 | −15.7 | 0.09 |
Serum relaxin (ng/l) | 0.05 | 0.28 | 0.02 | 0.04 | 0.04 |