Table 3 Results of multiple regression analysis between birthweight and confounding factors among live born singletons
|  | β | t | p |
|---|---|---|---|
Maternal age (per year) | −0.008 | −0.45 | 0.65 |
Maternal weight (per kg) | 0.211 | 11.77 | <0.001 |
Frozen thawed embryo (versus fresh embryo) | 0.079 | 4.25 | <0.001 |
ICSI (versus IVF) | 0.009 | 0.48 | 0.63 |
SAGE (versus Vitrolife) | −0.004 | −0.24 | 0.81 |
Gestational age | 0.490 | 27.38 | <0.001 |
Gender (male versus female) | 0.110 | 6.33 | <0.001 |