OCCUPATIONAL HEALTH INDICATORS CACULATOR
| N1 = | Annual total number of days of sick leaves | |||||||||||||
| N2 = | Annual total number of work-related injuries and illnesses | |||||||||||||
| N3 = | Annual total number of cases involving days away from work | |||||||||||||
| N4 = | Annual total number of days of sick leaves due to work related injuries | |||||||||||||
| N5 = | Annual number of hospitalization due to work-related injuries and illnesses | |||||||||||||
| N6= | Average workin hours per year for one employee | |||||||||||||
| Indicators | ||||
| 1- | Absence Due to Illness | The total number of days of sick leaves divided by total working days of all employed persons, Percent | ||
| 2- | Total Recordable Incident Rate | TRIR | Number of new cases of occupational injuries and illnesses during one year divided by total working hours of all employed persons, x 200,000 | |
| 3- | Lost Time Injury Frequency Rate | LTIF | Lost Time Injury Frequency Rate is the number of incidents involving lost time from work greater than | |
| 4- | Average Time Lost Rate | ATLR | is the average time lost (weeks) per each lost time incident during ONE YEAR. | |
| 5- | Work-related hospitalizations Rate | calculated by dividing the total number of work related hospitalizations by the number of total employed persons X 100 | ||
| 6- | Work-related fatality Rate | calculated by dividing the total number of all work related fatalities by total number of workers X 20000 | ||
| References | |
| 1- | C Mark Sewell Dr PH , Putting Data to Work, CDC, NIOSH, 2005 |
| 2- | Harvey J. Hilaski ,Understanding Occupational Illness Statistics Office of Occupational Safetyand Health Statistics, Bureau of Labor Statistics, MONTHLY LABOR REVIEW March 1981 . |
| 3- | Hugo Halvorsen,HSSR, BP, Health Safety and Environment, Annual report, 2007 |
| 4- | INTERNATIONAL LABOUR ORGANIZATION, Statistics of occupational injuries,Sixteenth International Conference of Labour Statisticians, Geneva, 6-15 October 1998 |
| 5- | Julie L. Gerberding, MD, MPH, Indicators for Occupational Health Surveillancedepartment of health and human services, Centers for Disease Control and PreventionJanuary 19, 2007 / Vol. 56 / No. RR-1 |
| 6- | Saipem, Health Safety Environment report, 2003 |
