Dr. Ahmad Latif is a physician, web editor and author with a special interest in workplace health promotion.

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OCCUPATIONAL HEALTH INDICATORS CACULATOR

OCCUPATIONAL HEALTH INDICATORS CACULATOR

Company Population
contractors Population
  Company Contractors Indicator Company Contractors TOTAL
N1 ABSENCE DUE TO ILLNESS  
N2 Total Recordable Incedence  Rate TRIR
N3 Lost Time Injury Frequency Rate LTIF
N4 Average Time Lost Rate/weeks ATLR
N5  Work-related hospitalizations Rate  
N6          

  
 
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
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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