Table 4

Rate ratios (95% CI) for birth outcomes 2003–2017 per neighbourhood deprivation quintile

Birth outcomes2003200820122017Change (95% CI)*
Perinatal mortality
Q1 (least deprived)REFREFREFREFREF
 Q20.91 (0.87 to 0.93)0.95 (0.90 to 0.98)0.94 (0.89 to 0.97)1.01 (0.96 to 1.05)0.10 (0.09 to 0.10)
 Q31.02 (0.98 to 1.05)1.15 (1.09 to 1.18)0.92 (0.88 to 0.95)1.09 (1.03 to 1.12)0.07 (0.06 to 0.07)
 Q40.92 (0.88 to 0.95)1.08 (1.03 to 1.12)1.11 (1.06 to 1.14)1.08 (1.03 to 1.11)0.16 (0.15 to 0.17)
Q5 (most deprived)1.24 (1.19 to 1.27)1.24 (1.19 to 1.28)1.42 (1.36 to 1.46)1.21 (1.15 to 1.25)−0.03 (−0.03 to −0.05)
Premature birth
 Q1REFREFREFREFREF
 Q21.02 (1.01 to 1.03)0.94 (0.93 to 0.96)1.01 (0.99 to 1.02)1.01 (0.99 to 1.02)−0.01 (−0.01 to −0.01)
 Q31.05 (1.04 to 1.06)1.03 (1.02 to 1.05)1.03 (1.02 to 1.05)1.06 (1.05 to 1.07)0.01 (0.01 to 0.01)
 Q41.07 (1.06 to 1.08)1.08 (1.07 to 1.1)1.08 (1.07 to 1.09)1.10 (1.08 to 1.11)0.04 (0.03 to 0.04)
 Q51.22 (1.21 to 1.24)1.12 (1.10 to 1.13)1.07 (1.06 to 1.09)1.16 (1.15 to 1.18)−0.06 (−0.06 to −0.05)
SGA
 Q1REFREFREFREFREF
 Q21.06 (1.05 to 1.07)1.03 (1.02 to 1.04)1.08 (1.07 to 1.09)1.07 (1.05 to 1.07)0.01 (0.01 to 0.01)
 Q31.13 (1.12 to 1.14)1.16 (1.15 to 1.18)1.16 (1.15 to 1.17)1.15 (1.14 to 1.16)0.02 (0.01 to 0.02)
 Q41.27 (1.26 to 1.28)1.30 (1.28 to 1.31)1.30 (1.28 to 1.31)1.26 (1.25 to 1.27)−0.01 (−0.01 to −0.01)
 Q51.58 (1.56 to 1.59)1.53 (1.51 to 1.54)1.53 (1.52 to 1.55)1.51 (1.49 to 1.52)−0.07 (−0.07 to −0.06)
  • Absolute rates presented per 1000 births; rate ratios calculated using least deprived quintile (Q1) as reference category.

  • *Change is the value of 2017 minus the value of 2003.

  • CI, 95% confidence interval; SGA, small for gestational age.