Prevalence of incontinence according to HOMA-IR quartiles.

<p>The error bars represent the standard error. The prevalence of incontinence increased across the HOMA-IR quartiles among premenopausal women and postmenopausal women. * Significant linear association from 1<sup>st</sup> quartile to 4<sup>th</sup> quartile (p for linear association = 0.0009). ** Significant linear association from 1st quartile to 4th quartile (p for linear association = 0.0458).</p>