TY - JOUR T1 - Blood cadmium level in the elderly population: perspective for the cause of inconsistent results JF - Occupational and Environmental Medicine JO - Occup Environ Med SP - 355 LP - 355 DO - 10.1136/oemed-2016-103585 VL - 73 IS - 5 AU - Tomoyuki Kawada Y1 - 2016/05/01 UR - http://oem.bmj.com/content/73/5/355.1.abstract N2 - Han et al1 investigated the association between blood cadmium levels (B-Cd) and depression in 395 people, aged 60 years or older. Survey was conducted three times, and positive association between B-Cd and depression was only observed in the first visit. The authors used the Korean version of the Short Form Generic Depression Scale test (SGDS-K) for screening depression and logistic regression model was used for the analysis. I present my speculation on their statistical … ER -