Table 4.

Cumulative incidence (%) of hypertension according to birth weight and father’s social class in 8760 men and women

Birth Weight (g)Father’s Social Class
LaborerLower Middle ClassUpper Middle ClassP for Trend
Up to 300022.220.210.50.002
3001 to 350018.815.210.6<0.001
3501 to 400014.512.510.30.04
>400011.115.615.70.11
P for trend<0.0010.050.79