, were the two bone turnover markers considered in this analysis. In total
population, NO2, PM2.5 – 10 and PM10mass exposure were positively and significantly associated with both
osteocalcin and CTx. A 2.5 (95% CI: 0.6, 4.4) ng/ml increase in osteocalcin and a 24.0 (95% CI: 6.7, 41.3)
ng/L increase in CTx were observed per IQR (6.7 g/m3) increase in NO2, i