Table 3

Characteristics of births in each area of Spain, by father’s occupational group, 1995–99; percentage distribution

Southern and eastern Spain (*)Rest of Spain
Non-manual workersManual workersAgricultural workersNon-manual workersManual workersAgricultural workers
Number of births3681903105386154345223925335227284
Characteristics
Weight <2500 g5.96.56.16.36.96.1
Unknown weeks of gestation13.515.018.67.28.713.9
<37 weeks of gestation6.57.18.56.66.56.6
Male infants51.751.651.651.551.451.8
Mother’s age <20 years1.23.36.51.23.13.3
Mother’s age >35 years18.411.913.120.413.116.4
Not married mother9.511.411.510.712.89.6
Employed mother63.539.226.565.338.929.6