Table 5. Base-case utility values for key states of health at one-week post-partum (n = 125).

Health States	Utility Value a M (SD)	Adjusted Utility Valuea,b EMM (SE)	B [95% CI]	p-value
Maternal age
< 35 years	0.70 (0.16)	0.69 (0.03)	Ref.	Ref.
≥35 years	0.72 (0.11)	0.72 (0.04)	0.03 [-0.03, 0.08]	.319
Mode of birth
Unassisted vaginal birth	0.74 (0.14)	0.73 (0.03)	Ref.	Ref.
Instrumental vaginal birth	0.70 (0.09)	0.68 (0.04)	-0.05 [-0.12, 0.03]	.259
Elective caesarean birth	0.67 (0.19)	0.66 (0.04)	-0.06 [-0.13, 0.00]	.060
Emergency caesarean birth	0.72 (0.10)	0.72 (0.04)	-0.01 [-0.10, 0.08]	.841
Parity
Primiparous	0.72 (0.12)	0.70 (0.03)	Ref.	Ref.
Multiparous	0.71 (0.17)	0.70 (0.03)	-0.00 [-0.05, 0.05]	.982
Onset of labour
Spontaneous	0.74 (0.14)	0.74 (0.03)	Ref.	Ref.
Induced	0.71 (0.11)	0.69 (0.03)	-0.05 [-0.11, 0.01]	.129
Fetal presentation at birth
Vertex	0.71 (0.14)	0.70 (0.03)	Ref.	Ref.
Breech or Other	0.68 (0.21)	0.67 (0.07)	-0.04 [-0.16, 0.08]	.538
Episiotomy
No episiotomy	0.72 (0.16)	0.72 (0.03)	Ref.	Ref.
Received episiotomy	0.69 (0.11)	0.68 (0.04)	-0.04 [-0.10, 0.02]	.214
Post-partum haemorrhage (≥500ml blood loss)
<500ml blood loss	0.71 (0.16)	0.69 (0.03)	Ref.	Ref.
≥500ml blood loss	0.72 (0.11)	0.72 (0.04)	0.03 [-0.03, 0.09]	.320

CI, Confidence interval; EMM, Estimated Marginal Mean; M, Mean; Ref, Referent; SD, Standard deviation; SE, Standard error.

^a At one-week post-partum.

^b Adjusted for neonatal admission to SCN or NICU, gestation at birth, and maternal length of post-partum hospital stay.