Fig. 1From: The causal effect of educational attainment on stress urinary incontinence: a two-sample mendelian randomization studySchematic representation of the TSMR, which is based on three key assumptions: first, there is a significant association between genetic variance and exposure; second, there is no correlation between the instrumental variable (IV) and any confounding factors; and third, IV is only associated with SUI (outcome) through educational attainment (exposure) and not through direct associationBack to article page