Figure 1.
Number of births, inclusions and exclusions during the study period.
Table 1.
Maternal characteristics and pregnancy outcome in relation to maternal age.
Table 2.
Crude and adjusted relative risks of the association between maternal age and adverse pregnancy outcome.
Table 3.
Relative risks of pregnancy outcome and maternal age according to social deprivation group.
Table 4.
Relative risks of pregnancy outcome and maternal age according to parity.
Table 5.
The confounding effect of smoking on the association between maternal age and adverse pregnancy outcome.