Identification and Prevention of Consequential Diseases Work Nine criteria for epidemiological evidence of a causal relationship between a putative cause and an observed effect were recommended in 1965 by British statistician Sir Austin Bradford Hill as follows: 1. Temporal relationships 2. Consistency 3. Specificity of the Association 4. Strength of Association 5. Biological gradient (dose-response relationship) 6. Coherence 7. Make sense 8. Analogy 9. Experimental evidence If statutory regulations do not impose limits or guidelines or a situation occurs where it is known that there is no clear way to control the hazard, then workers are obliged to seek standard guidance on good work activities and from occupational health professionals. In general, it is described as follows: 1. Learn about workplace hazards, for example find out what products to use, understand how actions such as heavy lifting can affect the body 2. Employers must develop and employees must follow systems, programs procedures and directives designed to protect against workplace hazards 3. Communicate all health hazards and exposures to employees. 4. Work with health professionals to investigate injuries or illnesses that may have work-related characteristics 5. Keep all job listings and place industries Work. One effort to prevent occupational diseases is to apply epidemiology to various fields of economics and labor, from simple descriptive epidemiology to complex analytical epidemiology. For example, a simple form is by calculating the frequency distribution of work accidents or through the use of sickness absence, trend analysis that shares suggestions, and by establishing improvement programs based on identified risk aspects. Efforts like this have been tried in order to minimize the number of accidents or absenteeism due to occupational disease. Sickness absence can be caused by various risk aspects, for example geographical conditions, industrial or organizational conditions, or the condition of the person/worker himself. The parameters needed to compile a sick attendance at the workplace are as follows: 1. Frequency Rate, namely the number of spells of absence in 1 period compared to the number of workers 2. Severity rate a. The duration of sickness absence is the average or number of days of sickness absence in a certain time period b. Spell duration is the average length or number of days of sickness absence per spell. For example, making a graph of the frequency distribution of sickness absence based on risk factors at a motorbike factory X in 2004-2005.