Table 3.

Multiple regression models for performance tests (grip strength, gait speed and chair stands) by age at first birth (N = 473)

	Model 1		Model 2		Model 3
Grip strength (Kgf)	β (95 % CI)	p value	β (95 % CI)	p value	β (95 % CI)	p value
Before 18y	−0.796 (-1.963: 0.370)	0.180	−0.729 (-1.905: 0.447)	0.224	−0.821 (-2.018: 0.375)	0.178
18y or more	0		0		0
Gait speed (m/s)
Before 18y	−0.010 (-0.050: 0.031)	0.636	−0.002 (-0.043: 0.040)	0.934	−0.005 (-0.046: 0.036)	0.821
18y or more	0		0		0
Chair Stands (s)
Before 18y	0.452 (0.000: 0.905)	0.050	0.453 (-0.009: 0.915)	0.055	0.492 (0.024: 0.961)	0.040
18y or more	0		0		0

Model 1 : Unadjusted. Model 2 : Adjusted for age and education. Model 3 : Adjusted for age, education, physical activity, menopausal status and hysterectomy