Fig. 1.

Osteocalcin and PAQ summary score for 47 participants in Minneapolis 2010–2012. Classified by tertile of insulin sensitivity (Si): black dots indicate those with lowest Si, gray dots indicate medium Si, and open circles indicate highest Si. The curve is a nonparametric estimate (lowess) of mean osteocalcin. Mean osteocalcin within each PAQ summary group (1–2, 2–3, 3–4) is indicated by filled squares with 95% confidence intervals.