In an incident similar to the Beijing standoff, workers at Hengbao Jewellery in Guangzhouorganized a protest and workplace occupation in 2010 in response to disputes over social security payments.
Thus, all residents with the type of sickness absence in focus were included, and there was no bias with regard to type of workplace, occupation, or clinic, which is often the case in investigations examining sickness absence both in general and in relation to specific diagnoses [ 1, 6].
First, our data did not directly elucidate physicians' motives in making career decisions, because the SPDP in Japan does not ask physicians about their reasons for changing workplaces, occupations or specialties.
Additionally, socio-demographic information about each volunteer was collected through a questionnaire, including home and workplace addresses, occupation, yearly income, possession of a driving license, daily primary transportation mode, and so on.
Workplace-related factors (social support in the workplace, job stress, working hours and type of employment) substantially explained the association between occupation and SROH.
Demographics of each enquirer (occupation, workplace) are registered in the database.
Second, there were data limitations with regard to type of occupation, workplace and time.
The items reported in the SPDP include year of registration, medical license registration number, year of birth, gender, workplace address, and occupation type and specialty.
Information about the subject's age, gender, area of residence, occupation, workplace, number of persons in the household, travel, exposure details, and symptoms of respiratory illness, duration of disease, medical consultation, treatment, hospitalisation and outcome was recorded.
Research has also shown that workplace conditions and occupations requiring strenuous physical movement, such as kneeling or heavy lifting, are associated with increased risk for knee and/or hip OA [ 16- 19].
In summary, the methodology developed here has allowed us to estimate the overall size of the burden of occupational cancer in Britain, and to assess the relative contributions to that burden from different workplace carcinogens and occupations that have been associated with increased risk of cancer, and from different industries (Hutchings and Rushton, 2012).
