Table 4

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 occupationSouthern and eastern Spain*Rest of Spain
No. of fetal deathsRate per 1000Crude relative riskAdjusted relative risk†No. of fetal deathsRate per 1000Crude relative riskAdjusted 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 workers1600.41.001.001640.41.001.00
Manual workers1540.51.14 (0.91 to 1.42)0.91 (0.72 to 1.14)1100.41.07 (0.83 to 1.37)0.94 (0.73 to 1.22
Agricultural workers440.71.65 (1.18 to 2.30)1.20 (0.85 to 1.69)70.30.71 (0.33 to 1.51)0.64 (0.30 to 1.38)
All other causes of death
Non-manual workers11163.01.001.0010412.31.001.00
Manual workers10103.31.07 (0.99 to 1.17)0.91 (0.83 to 1.00)7022.81.22 (1.11 to 1.35)1.08 (0.98 to 1.19)
Agricultural workers2764.51.48 (1.30 to 1.69)1.20 (1.05 to 1.38)893.31.42 (1.14 to 1.76)1.26 (1.01 to 1.57)