Table 6.
Temporal changes in relation between cause specific perinatal and infant mortality and socioeconomic deprivation, Scotland 1985-2008, including linked and unlinked records (unadjusted)
| Odds ratio* (95% CI) | P for interaction† | ||||
|---|---|---|---|---|---|
| 1985-90 | 1991-6 | 1997-2002 | 2003-8 | ||
| Antepartum stillbirth (non-cases=1 350 806): | |||||
| All (n=5378) | 1.81 (1.51 to 2.18) | 1.84 (1.53 to 2.22) | 1.93 (1.56 to 2.39) | 1.77 (1.43 to 2.20) | 0.96 |
| Congenital (n=462) | 1.70 (0.86 to 3.36) | 1.50 (0.84 to 2.67) | 2.03 (0.97 to 4.25) | 1.08 (0.57 to 2.04) | 0.62 |
| Explained (n=1569) | 1.78 (1.28 to 2.47) | 2.05 (1.48 to 2.85) | 3.07 (2.07 to 4.54) | 1.63 (1.03 to 2.58) | 0.12 |
| Unexplained SGA (n=1131) | 2.16 (1.53 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=2216) | 1.66 (1.23 to 2.24) | 1.32 (0.99 to 1.77) | 1.10 (0.80 to 1.52) | 1.75 (1.29 to 2.39) | 0.14 |
| Intrapartum stillbirth and neonatal death (non-cases=1 347 370): | |||||
| All (n=3435) | 1.07 (0.88 to 1.31) | 1.31 (1.04 to 1.65) | 1.32 (0.99 to 1.77) | 1.30 (0.96 to 1.77) | 0.43 |
| Congenital (n=1533) | 1.09 (0.80 to 1.47) | 1.28 (0.90 to 1.81) | 0.82 (0.52 to 1.30) | 1.43 (0.89 to 2.30) | 0.34 |
| Preterm (n=923) | 1.35 (0.93 to 1.96) | 1.80 (1.13 to 2.87) | 2.38 (1.33 to 4.24) | 1.22 (0.70 to 2.12) | 0.25 |
| Term (n=979) | 0.79 (0.54 to 1.16) | 1.05 (0.70 to 1.57) | 1.56 (0.96 to 2.52) | 1.24 (0.70 to 2.20) | 0.14 |
| Postneonatal infant death (non-cases=1 344 633): | |||||
| All (n=2866) | 1.75 (1.43 to 2.14) | 3.33 (2.52 to 4.40) | 4.01 (2.86 to 5.62) | 2.03 (1.41 to 2.93) | <0.001 |
| SIDS (n=1207) | 2.02 (1.53 to 2.67) | 7.57 (4.71 to 12.16) | 9.30 (5.38 to 16.07) | 1.80 (0.90 to 3.58) | <0.001 |
| Congenital (n=682) | 1.11 (0.68 to 1.81) | 2.84 (1.70 to 4.73) | 2.94 (1.48 to 5.84) | 2.63 (1.32 to 5.24) | 0.03 |
| Infection (n=191) | 3.06 (1.45 to 6.46) | 1.44 (0.54 to 3.87) | 0.66 (0.14 to 3.18) | 2.70 (0.48 to 15.40) | 0.30 |
| Other (n=786) | 1.53 (1.01 to 2.33) | 1.65 (0.99 to 2.76) | 2.80 (1.57 to 5.00) | 1.77 (1.00 to 3.14) | 0.40 |
| Stillbirth and infant death (non-cases=1 344 633): | |||||
| All (n=11 680) | 1.53 (1.37 to 1.72) | 1.89 (1.66 to 2.15) | 2.03 (1.74 to 2.37) | 1.68 (1.43 to 1.96) | 0.02 |
SGA=small for gestational age; SIDS =sudden infant death syndrome.
*For six category change in socioeconomic deprivation to represent move from highest to lowest socioeconomic deprivation groups.
†Test of null hypothesis that association between socioeconomic deprivation category and type of death did not vary in four epochs studied.