Table 4.

Observed rates of stillbirth per 10 000 births by deprivation tenth and year of delivery and estimated change in mortality over time (based on Poisson regression model) with 95% CIs

	2000–2003	2004–2007	Change in mortality from 2000–2003 to 2004–2007
			Absolute change per 10 000 births	Relative change (%)
All stillbirths, N=20 433
Least deprived	29.3 (28.1 to 30.5)	29.3 (26.0 to 32.9)	−0.3 (−2.0 to 1.4)	1.0 (0.9 to 1.0)
Most deprived	61.9 (59.9 to 64.0)	61.2 (59.3 to 63.2)	−0.7 (−3.5 to 2.2)	1.0 (0.9 to 1.0)
Cause-specific stillbirths
Congenital anomalies, N=1667 (8.1%)
Least deprived	2.0 (1.8 to 2.4)	1.7 (1.1 to 2.6)	−0.1 (−0.5 to 0.4)	1.0 (0.8 to 1.2)
Most deprived	6.3 (5.6 to 7.0)	5.2 (4.6 to 5.8)	−1.1 (−2.0 to −0.2)	0.8 (0.7 to 1.0)
Pre-eclampsia, N=894 (4.0%)
Least deprived	1.4 (1.2 to 1.7)	1.4 (0.8 to 2.5)	−0.2 (−0.6 to 0.2)	0.9 (0.7 to 1.1)
Most deprived	2.8 (2.4 to 3.3)	2.4 (2.1 to 2.9)	−0.4 (−1.0 to 0.2)	0.9 (0.7 to 1.1)
Antepartum haemorrhage, N=2773 (14.0%)
Least deprived	3.3 (2.9 to 3.7)	3.1 (2.2 to 4.3)	−0.2 (−0.7 to 0.3)	0.9 (0.8 to 1.1)
Most deprived	10.5 (9.7 to 11.4)	9.2 (8.5 to 10.1)	−1.2 (−2.4 to −0.1)	0.9 (0.8 to 1.0)
Mechanical, N=512 (2.5%)
Least deprived	0.9 (0.7 to 1.2)	0.7 (0.3 to 1.4)	0.2 (−0.2 to 0.5)	1.2 (0.8 to 1.6)
Most deprived	1.3 (1.0 to 1.6)	1.1 (0.9 to 1.4)	−0.2 (−0.5 to 0.2)	0.9 (0.6 to 1.2)
Maternal disorder, N=1946 (9.5%)
Least deprived	2.5 (2.2 to 2.8)	2.2 (1.5 to 3.2)	0.5 (−0.03 to 1.0)	1.2 (1.0 to 1.4)
Most deprived	5.9 (5.3 to 6.6)	6.1 (5.5 to 6.7)	0.2 (−0.7 to 1.1)	1.0 (0.9 to 1.2)
Unknown antepartum SGA, N=4554 (22.3%)
Least deprived	6.0 (5.5 to 6.6)	6.1 (4.7 to 7.8)	−0.2 (−0.9 to 0.6)	1.0 (0.9 to 1.1)
Most deprived	14.9 (13.9 to 16.0)	14.7 (13.7 to 15.7)	−0.2 (−1.6 to 1.2)	1.0 (0.9 to 1.1)
Unknown antepartum not SGA, N=8087 (39.6%)
Least deprived	13.5 (12.6 to 14.3)	15.2 (12.7 to 18.3)	−0.3 (−1.5 to 0.8)	1.0 (0.9 to 1.1)
Most deprived	20.9 (19.7 to 22.1)	23 (21.9 to 24.2)	2.1 (0.5 to 3.8)	1.1 (1.0 to 1.2)

SGA, small for gestational age.