Table 1

SD (95% CI) of between PCT variation from binomial regression models, before and after adjustment for risk factors^*

			Birth rate
	Total births		Live births		All births		Percentage of all births classified as live born
Gestation	Live	Still	Unadjusted	Adjusted^*	Unadjusted	Adjusted^*	Unadjusted	Adjusted^*
<24 Weeks	2647	2382^†	0.38 (0.32 to 0.45)	0.30 (0.24 to 0.37)	0.29 (0.25 to 0.34)	0.23 (0.19 to 0.28)	0.54 (0.45 to 0.66)	0.51 (0.42 to 0.62)
24–27 Weeks	9402	3321	0.18 (0.15 to 0.22)	0.10 (0.08 to 0.14)	0.17 (0.14 to 0.20)	0.09 (0.06 to 0.11)	0.12 (0.07 to 0.21)	0.10 (0.05 to 0.21)
28–32 Weeks	32523	2848	0.11 (0.09 to 0.13)	0.08 (0.07 to 0.10)	0.11 (0.10 to 0.13)	0.08 (0.06 to 0.09)	0.17 (0.13 to 0.23)	0.11 (0.06 to 0.19)

↵* Adjusted for PCT average deprivation score, % of women under 20 years of age, percentage of women over 35 years, percentage of women aged 16–45 years who were Asian, percentage of women aged 16–45 years who were Black.
↵† Estimated based on recorded number of late fetal deaths at 22 and 23 weeks in 2005–2006.
PCTs, Primary Care Trusts.