BACKGROUND The impact of long working hours on diabetes is controversial; however, shift work is known to increase the risk of diabetes. This study aimed to investigate the association between long working hours and diabetes among civil servants in Japan separately by shift work schedules. METHODS A prospective cohort study was conducted from April 2003 to March 2009. A total of 3195 men aged...

We study the location and occupational composition of establishments within firms between 1981 2016. Using Danish administrative employer-employee matched data, we document four novel results regarding internal spatial organization firms. First, average number per firm increased by 21%. Second, distance workers from their headquarters about doubled. Third, achieved this fragmentation concentrat...

Background Studies on the hematologic toxicity of ethylene glycol ethers in humans are limited. Therefore, the aim of this study was to examine the association between exposure to solvents (containing 2-butoxyethanol and 2-ethoxyethanol) and hematological effects. Methods Thirty-four screen-printing workers who were exposed to 2-butoxyethanol and 2-ethoxyethanol and 37 non-exposed clerical wo...

OBJECTIVE To estimate the prevalence of asthma in workers by occupation in Washington State. METHODS Data from the 2006-2009 Behavioral Risk Factor Surveillance System (BRFSS) and the BRFSS Asthma Call-Back Survey (ACBS) in Washington State (WA) were analyzed. Using state-added and coded Industry and Occupation questions, we calculated prevalence ratios (PRs) for 19 occupational groups. RES...

By the 1990s, the U.S. population had reached 248.7 million, an increase of 9.8 percent over the previous decade. The median age in the country had increased 2.9 years to 32.9 (31.7 for men and 34.1 for women). The percentage of the population younger than 15 had continued to decline and stood at 21.5 percent. Population dynamics had shifted, with the percentage of Americans who were white decl...

Ventilatory capacity has been measured in 675 Nigerian colliery employees classified in three groups according to occupation: coalface workers, other underground workers with low exposure to dust, and surface workers in administrative and clerical jobs. Men with current respiratory symptoms were excluded, as were ex-miners. The faceworkers were a slightly older group who smoked less, and they w...

The Census Bureau conducted evaluations of person duplication in Census 2000. Duplicates of short geographic distances were identified by both clerical and computer matching. The evaluations showed that for these short distance duplicates that the computer matching algorithms were not able to find all of the duplicates identified by the clerks. However, the computer matching algorithms in the p...