Table 4

 Cumbria: relative index of inequality (RII), for early neonatal, neonatal, postneonatal deaths in relation to social class and community deprivation, and odds ratio (OR) for infant deaths among babies with father unrecorded, compared to all others

Death time periodLive birthsCasesIndividual level indicatorCommunity deprivation (Townsend score)
“Father unrecorded” compared to all othersSocial classes I–V only
OR (95% CI)pRII (95% CI)pRII (95% CI)p
RII and OR adjusted for birth order, multiple births and year of birth.
Early neonatal
1950–6511836016472.59 (2.06 to 3.32)<0.0011.52 (1.27 to 1.84)<0.001––
1966–75659036932.71 (2.06 to 3.58)<0.0011.56 (1.16 to 2.09)<0.0011.52 (1.28 to 1.81)<0.001
1976–85542393442.03 (1.37 to 3.05)<0.0011.22 (0.82 to 1.81)0.341.19 (0.82 to 1.72)0.37
1986–93451661511.21 (0.65 to 2.25)0.550.83 (0.46 to 1.50)0.540.59 (0.33 to 1.04)0.07
Change in risk since 19661653081188<0.010.16<0.05
Neonatal
1950–6511836019732.64 (2.15 to 3.24)<0.0011.56 (1.31 to 1.85)<0.001––
1966–75659038382.66 (2.06 to 3.44)<0.0011.86 (1.42 to 2.43)<0.0011.46 (1.15 to 1.85)<0.01
1976–85542394291.90 (1.32 to 2.74)<0.011.36 (0.95 to 1.95)0.091.42 (1.01 to 1.99)<0.05
1986–93451661901.19 (0.68 to 2.07)0.540.82 (0.50 to 1.41)0.480.76 (0.45 to 1.27)0.28
Change in risk since 19661653081457<0.001<0.05<0.05
Postneonatal
1950–651183607792.25 (1.56 to 3.25)<0.0012.27 (1.73 to 2.97)<0.001––
1966–75659033093.13 (2.07 to 4.87)<0.0013.44 (2.24 to 5.29)<0.0012.92 (1.95 to 4.37)<0.001
1976–85542392231.80 (1.01 to 3.27)0.061.62 (0.97 to 2.70)0.062.25 (1.39 to 3.64)<0.001
1986–93451661481.55 (0.87 to 2.76)0.161.90 (1.04 to 3.47)<0.052.24 (1.25 to 3.98)<0.01
Change in risk since 1966165308680<0.050.130.62