Table 3. Association between HG and primary outcomes.

Scale	Gestation measured (weeks)	All HG (n = 164)	All HG (n = 164)	Severe HG (n = 71)	Severe HG (n = 71)
		Unadjusted mean difference (95% CI)	Adjusted mean difference (95% CI)	Unadjusted mean difference (95% CI)	Adjusted mean difference (95% CI)
State Trait Anxiety*	15	4.3 (2.3, 6.3)	3.9 (1.9, 5.9)	5.7 (2.5, 8.9)	4.8 (1.7, 8.0)
	20	2.7 (0.8, 4.5)	2.4 (0.6, 4.2)	4.7 (1.9, 7.4)	4.0 (1.3, 6.7)
Perceived Stress Scale*	15	2.1 (1.0, 3.2)	1.8 (0.7, 2.9)	3.8 (2.3, 5.3)	3.3 (1.7, 4.8)
	20	1.5 (0.5, 2.6)	1.2 (0.1, 2.2)	3.4 (1.8, 5.0)	2.8 (1.2, 4.4)
EPDS*(continuous)	15	2.0 (1.2, 2.8)	1.8 (1.0, 2.6)	3.1 (1.8, 4.4)	2.7 (1.4, 4.0)
	20	1.6 (0.8, 2.3)	1.4 (0.6, 2.1)	2.6 (1.3, 3.8)	2.2(1.0, 3.4)
EPDS**(categorical,OR)	15	2.2 (1.6,2.9)	2.1 (1.6, 2.9)	3.0 (1.9, 4.9)	2.7 (1.6, 4.5)
	20	1.6 (1.1, 2.2)	1.6 (1.2, 2.3)	2.5 (1.6, 4.0)	2.2 (1.3, 3.6)
Limiting response*	15	1.8 (1.3, 2.4)	2.2 (1.5, 2.8)	2.6 (1.7, 3.5)	2.7 (1.8, 3.6)
	20	1.2 (0.6, 1.8)	1.2 (0.6, 1.8)	1.8 (0.8, 2.7)	1.8 (0.8, 2.7)
All or nothing response*	15	−0.1 (−0.8, 0.5)	−0.1 (−0.8, 0.5)	0.4 (−0.6, 1.3)	0.4 (−0.6, 1.4)
	20	0.0 (−0.7, 0.8)	0.0 (−0.8, 0.7)	0.3 (−0.9, 1.5)	0.2 (−0.9, 1.4)

*Score variables are analysed using linear regression with robust estimation.

**Edinburgh Postnatal Depression Score categorical variable presented as odds ratio and calculated using ordered logistic regression.

Models are adjusted for maternal age, smoking, alcohol, ethnic origin, BMI, marital status, SCOPE centre and job status.