Table 2

 Sexual history of the study population

% of total
*Percentage using birth control is among those who are sexually active.
†Per cent of each birth control type is among those using birth control.
Note: some data sheets had incomplete sexual history information; percentages are of those reporting.
Last menstrual period
    On time (n = 361)84.0
    Normal (n = 351)82.6
Sexually active (n = 349)75.1
    Birth control* (n = 220)63.0
Birth control type†
    Contraceptive pills (n = 99)45.0
    Condoms (n = 68)30.9
    Depo-Provera (n = 23)10.5
    Tubal ligation/vasectomy (n = 17)7.7
    Other (n = 13)5.9