Relative risk of fetal death from congenital anomalies and from all other causes of death, by father’s occupation, in the two areas of study, 1995–99
| Cause of death and father’s occupation | Southern and eastern Spain* | Rest of Spain | ||||||
|---|---|---|---|---|---|---|---|---|
| No. of fetal deaths | Rate per 1000 | Crude relative risk | Adjusted relative risk† | No. of fetal deaths | Rate per 1000 | Crude relative risk | Adjusted relative risk† | |
| *Codes 740–759 of the International Classification of Diseases, 9th revision (ICD-9) for 1995–98 and codes Q00–Q99 of the International Classification of Diseases, 10th revision (ICD-10) for 1999. | ||||||||
| †Adjusted for birth weight, infant’s sex, weeks of gestation, age, marital status, and mother’s economic activity. | ||||||||
| Congenital anomalies* | ||||||||
| Non-manual workers | 160 | 0.4 | 1.00 | 1.00 | 164 | 0.4 | 1.00 | 1.00 |
| Manual workers | 154 | 0.5 | 1.14 (0.91 to 1.42) | 0.91 (0.72 to 1.14) | 110 | 0.4 | 1.07 (0.83 to 1.37) | 0.94 (0.73 to 1.22 |
| Agricultural workers | 44 | 0.7 | 1.65 (1.18 to 2.30) | 1.20 (0.85 to 1.69) | 7 | 0.3 | 0.71 (0.33 to 1.51) | 0.64 (0.30 to 1.38) |
| All other causes of death | ||||||||
| Non-manual workers | 1116 | 3.0 | 1.00 | 1.00 | 1041 | 2.3 | 1.00 | 1.00 |
| Manual workers | 1010 | 3.3 | 1.07 (0.99 to 1.17) | 0.91 (0.83 to 1.00) | 702 | 2.8 | 1.22 (1.11 to 1.35) | 1.08 (0.98 to 1.19) |
| Agricultural workers | 276 | 4.5 | 1.48 (1.30 to 1.69) | 1.20 (1.05 to 1.38) | 89 | 3.3 | 1.42 (1.14 to 1.76) | 1.26 (1.01 to 1.57) |