Table 2

Social inequalities in low birth weight: 1993–2000 (relative risk (95% CI))

19931994199519961997199819992000
(A) All births
Manual v non-manual1.23(1.16, 1.31)1.29(1.21, 1.38)1.26(1.19, 1.34)1.22(1.14, 1.30)1.25(1.17, 1.33)1.32(1.24, 1.40)1.35(1.27, 1.44)1.28(1.21, 1.37)
Sole v non-manual1.51(1.46, 1.56)1.67(1.58, 1.78)1.55(1.47, 1.64)1.51(1.42, 1.59)1.58(1.49, 1.67)1.60(1.52, 1.70)1.57(1.49, 1.66)1.60(1.51, 1.69)
(B) Singleton births
Manual v non-manual1.32(1.23, 1.42)1.38(1.28, 1.49)1.41(1.32, 1.52)1.31(1.22, 1.41)1.35(1.26, 1.45)1.44(1.34, 1.55)1.45(1.35, 1.56)1.41(1.31, 1.51)
Sole v non-manual1.71(1.65, 1.77)1.90(1.78, 2.03)1.83(1.72, 1.96)1.73(1.63, 1.85)1.83(1.71, 1.95)1.86(1.75, 1.98)1.82(1.71, 1.94)1.87(1.75, 1.99)