Figure 1.
Timelines based on gestational age showing the risk period for the outcome, the exposure period of interest, the timing of enrollment, and the exposure period covered by the enrollment forms used in a Danish National Birth Cohort study of spontaneous abortion and exposure to a diet drug composed of caffeine and ephedrine, 1996–2002.
Table 1.
Summary of counts, fetus-time at risk, and rates per 10,000 for variables stratified on spontaneous abortion (SAB) vs. other pregnancy outcomes for the Danish National Birth Cohort (1996–2002).
Table 2.
Descriptive statistics by Letigen* exposure status for the Danish National Birth Cohort (1996–2002).
Table 3.
Summary statistics for the number of weeks that Letigen* was used at least once among women in the Danish National Birth Cohort (1996–2002).
Table 4.
Unadjusted and age-adjusted hazard ratios and 95% confidence intervals for the association between Letigen* use and spontaneous abortion (SAB) in the Danish National Birth Cohort (1996–2002).