Table 4.
Temporal changes in relation between cause specific perinatal and infant mortality and socioeconomic deprivation, Scotland 1985-2008 (unadjusted)
| Odds ratio* (95% CI) | P for interaction† | ||||
|---|---|---|---|---|---|
| 1985-90 | 1991-6 | 1997-2002 | 2003-8 | ||
| Antepartum stillbirth (non-cases=1 350 655): | |||||
| All (n=5028) | 1.82 (1.52 to 2.19) | 1.79 (1.48 to 2.16) | 1.76 (1.41 to 2.20) | 1.59 (1.26 to 1.99) | 0.81 |
| Congenital (n=422) | 1.64 (0.82 to 3.25) | 1.46 (0.81 to 2.63) | 1.93 (0.88 to 4.22) | 1.31 (0.66 to 2.59) | 0.89 |
| Explained (n=1462) | 1.81 (1.30 to 2.52) | 1.93 (1.39 to 2.70) | 2.66 (1.77 to 3.99) | 1.65 (1.02 to 2.68) | 0.41 |
| Unexplained SGA (n=1131) | 2.16 (1.59 to 3.07) | 3.12 (2.04 to 4.77) | 3.49 (2.15 to 5.67) | 2.64 (1.61 to 4.34) | 0.38 |
| Unexplained, not SGA (n=2013) | 1.65 (1.22 to 2.23) | 1.30 (0.97 to 1.75) | 0.95 (0.68 to 1.33) | 1.28 (0.92 to 1.79) | 0.13 |
| Intrapartum stillbirth and neonatal death (non-cases=1 347 351): | |||||
| All (n=3304) | 1.08 (0.88 to 1.32) | 1.36 (1.07 to 1.72) | 1.30 (0.97 to 1.76) | 1.32 (0.96 to 1.83) | 0.45 |
| Congenital (n=1490) | 1.10 (0.81 to 1.49) | 1.29 (0.90 to 1.84) | 0.80 (0.50 to 1.28) | 1.38 (0.84 to 2.26) | 0.35 |
| Preterm (n=835) | 1.38 (0.95 to 2.02) | 2.12 (1.31 to 3.43) | 2.37 (1.28 to 4.40) | 1.34 (0.70 to 2.56) | 0.31 |
| Term (n=979) | 0.78 (0.53 to 1.14) | 1.05 (0.70 to 1.57) | 1.59 (0.98 to 2.57) | 1.24 (0.70 to 2.20) | 0.14 |
| Postneonatal infant death (non-cases=1 344 625): | |||||
| All (n=2726) | 1.75 (1.42 to 2.15) | 3.26 (2.45 to 4.33) | 3.84 (2.73 to 5.40) | 1.86 (1.27 to 2.71) | <0.001 |
| SIDS (n=1150) | 2.04 (1.53 to 2.72) | 7.52 (4.62 to 12.25) | 9.50 (5.46 to 16.53) | 1.78 (0.87 to 3.65) | <0.001 |
| Congenital (n=654) | 1.08 (0.65 to 1.79) | 2.89(1.73 to 4.84) | 2.68 (1.35 to 5.30) | 2.19 (1.07 to 4.49) | 0.04 |
| Infection (n=185) | 3.05 (1.42 to 6.56) | 1.52(0.55 to 4.22) | 0.48 (0.10 to 2.25) | 2.71 (0.48 to 15.40) | 0.19 |
| Other (n=737) | 1.53 (0.99 to 2.36) | 1.47(0.87 to 2.48) | 2.69 (1.50 to 4.82) | 1.60 (0.89 to 2.89) | 0.39 |
| Stillbirth and infant death (non-cases=1 344 625): | |||||
| All (n=11 058) | 1.53 (1.37 to 1.72) | 1.87 (1.64 to 2.13) | 1.92 (1.64 to 2.25) | 1.56 (1.32 to 1.84) | 0.04 |
SGA=small for gestational age; SIDS=sudden infant death syndrome.
*For six category change in socioeconomic deprivation to represent move from lowest to highest socioeconomic deprivation groups.
†Test of null hypothesis that association between socioeconomic deprivation category and type of death did not vary in four epochs studied.