Table 5.

Summary of the linear regression for oleic acid (C18:1) in milk in g/100 g fat with random effects (cow ID, farm ID), observations: n = 2,432

C18:1	Mean (SD)	Coefficient (95% CI, P-value)
Cowtype
Healthy (= ref)	0.8 (0.8)	—
Clever	−0.5 (0.6)	−1.23 (−1.30 to −1.16, P < 0.001)
Athletic	1.5 (1.1)	0.78 (0.65 to 0.91, P < 0.001)
Hypket.	−0.3 (0.7)	−1.03 (−1.20 to −0.87, P < 0.001)
PMAS	1.6 (1.0)	0.80 (0.64 to 0.97, P < 0.001)
Parity
Multip. (= ref)	−0.1 (1.0)	—
Healthy × Multip. (= ref)		—
Clever × Multip.		−1.13 (−1.19 to −1.07, P < 0.001)
Athletic × Multip.		0.71 (0.59 to 0.83, P < 0.001)
hypket. × Multip.		−0.92 (−1.06 to −0.78, P < 0.001)
PMAS × Multip.		0.37 (0.23 to 0.51, P < 0.001)
Primip.	0.3 (1.1)	0.44 (0.35 to 0.54, P < 0.001)
Healthy × Primip. (= ref)		—
Clever × Primip.		−1.19 (−1.30 to −1.08, P < 0.001)
Athletic × Primip.		0.16 (−0.07 to 0.38, P < 0.248)
Hypket. × Primip.		−0.72 (−1.21 to −0.24, P < 0.014)
PMAS × Primip.		0.69 (0.43 to 0.95, P < 0.001)
Week
1 (= ref)	0.3 (1.2)	—
2	0.5 (1.1)	0.20 (0.00 to 0.40, P < 0.047)
3	0.2 (1.0)	−0.08 (−0.27 to 0.12, P < 0.441)
4	−0.0 (0.9)	−0.33 (−0.52 to −0.13, P < 0.001)
5	−0.1 (1.0)	−0.40 (−0.59 to −0.21, P < 0.001)
6	−0.3 (0.9)	−0.58 (−0.77 to −0.39, P < 0.001)
7	−0.3 (0.8)	−0.61 (−0.81 to −0.42, P < 0.001)
8	−0.4 (0.8)	−0.76 (−1.09 to −0.42, P < 0.001)
log(milk yield) [−11.3,3.0]	0.0 (1.0)	−0.17 (−0.21 to −0.13, P < 0.001)
Healthy × log(milk yield) (= ref)
Clever × log(milk yield)		−0.01 (−0.04 to 0.02, P < 0.684)
Athletic × log(milk yield)		−0.29 (−0.38 to −0.20, P < 0.001)
Hypket. × log(milk yield)		−0.04 (−0.21 to 0.13, P < 0.707)
PMAS × log(milk yield)		−0.13 (−0.26 to 0.01, P < 0.120)

Ref, reference; hypket., hyperketonemic; PMAS, poor metabolic adaptation syndrome; primip., primiparous; multip., multiparous.