6- to 8-fold higher than the neonatal mortality rate (13, 14, 17). So his updated triangle, known as “the Bird’s Triangle,” showed a relationship of one serious injury accident to 10 minor injury accidents, 30 damage-causing accidents, and 600 near misses. Reporting of near-miss safety events is commonly assumed to enhance safety in organizations, as such reporting enables managers to identify and address accident risk factors. Near Miss: Minor LOPCs or System failures which could have led to an incident. Maternal near-miss incidence ratio (MNMIR) refers to the number of maternal near-miss cases per 1000 live births; the numerator being the magnitude of MNM and the denominator. ) NMFR = 11. This scheme will allow companies to calculate near-miss telematics rates by means of a basic price, which can be personalized with traditional rating factors (age, driving experience, zone, vehicle power, and so on), and most interestingly, a variable rate that includes penalizations for some dangerous near-miss events. Analysis and identification of trends • Knowledge of near misses and adverse events allows the organization to analyze the cause of systems breakdowns and other factors contributing to theirThe goal of studying maternal near-miss in Suriname would be to (1) find a reason for the relatively high maternal mortality, and stillbirth rate in the country [ 5, 13, 14 ], (2) compare findings to other countries and (3) improve the quality of care. 61 Forsyth Street, SW. p < 0. Calculating Incident Rate. A maternal near-miss is a situation in which a woman was on the verge of death but survived a life-threatening obstetric complication that happened during pregnancy, childbirth, or within 42 days after the pregnancy's termination. In all other cases frequency rate F, should be used for comparison purposes. 7) and Star Entertainment Group (22. Let tc, h and tm denote the cache access time, hit ratio in cache and and main access time respectively. context and the specific criteria used, the incidence of maternal near-miss ranges from 0. 3% among women who were from Kasese district (cPR = 0. Twenty-one events (34%) had hazard scores of 30 or less. 8) and 17. Please note that in addition to incident. Ensure that your data is up-to-date and reliable. By calculating the annual number of injuries per 100 full. 9 %. 0 (IBM Corp. AIFR = (Reported injuries x 200,000) / Employee total hours worked. 009 0. In medicine, the incidence is commonly the newly identified cases of a disease or condition per population at risk over a specified timeframe. Table 1 Summery of sample size calculation for main exposure variables associated withSafety observations frequency rate (SOFR) The number of safety observations per 200,000 hours worked. E. 67–120:. Any accident which is reported on site or in the workplace will become a part of the resulting AFR number. Results The incidences of neonatal near miss and neonatal death were 45. , near miss events should be captured in the incident learning system (available for analysis and learning). The miss rate is 10/50 which is . 36 0. Implementing the WHO near-miss approach 7 3. Severe maternal outcome and maternal near-miss rates were 10. (X 2= 4. 72 2. (2) The near miss frequency rates (NMFR) for direct employees and contract employees were 0. CCPS common Lagging indicators, Described in this document under the "Near Miss" reporting section. 41% (paediatrics) and 3. There have been limited studies on the incidence of near-miss wrong-patient events in radiology. 4, which means there were 2. At one department of radiology in New York, 16% of near-miss events were reported to be due to wrong-patient events , and the estimated rate of misidentified patient events at the Mayo Clinic was reported as 0. AIFR = (Reported injuries x 200,000) / Employee total hours worked. A near miss one time could be an injury incident the next time. The Total Case Incident Rate (TCIR) is defined as the number of work-related injuries per 100 full-time workers during a one year period. This is very important because of the high. 80% to 8. Worldwide, the neonatal mortality rate (NMR) fell by 51%, from 37 deaths per 1000 live births in 1990 to 18 per 1000 live births in 2017. • The focus should be on identification of near misses and events that occur with high frequency or have a high potential to result in patient harm. 6. 23% in studies which had disease-specific criteria while it was from 0. 4 to. Your OSHA 300 Log and 300A Summary will have the information needed to find your rate of recordable injuries. Results Near misses totalled 190/8483 (2. of Events X Multiplier) / Hours: Injury and/or Illness: Not Notifiable Event: NSHINR: Non-Notifiable Event Incident/Near Miss Rate (No. Generic astronomy calculator to calculate times for sunrise, sunset, moonrise,. Please note, that very few companies use the severity rate as a calculation, as it only provides an average. Basic Epidemiological Methods and Calculations. You can see more. 39). Near miss (safety) A near miss, near death, near hit or close call is an unplanned event that has the potential to cause, but does not actually result in human injury, environmental or equipment damage, or an interruption to normal operation. During a research study, each person is observed from an established. Near-miss reporting of unsafe events is a leading indicator that has had some use across high-risk industries. Women with. Expected results 15 4. Using logic similar to the two notable experimental demonstrations of a near-miss effects (Cote et al. 3 per 1000 live births and the maternal near miss incidence ratio was 2. The loss causation model in the following chart one of the better ones to use in Near Miss Reporting programs. Overall, 28 near-miss events (45%) were scored for maximal severity and frequency in this study. 6: Maternal near-miss mortality ratio: 3. Divide the total number of lost time injuries in a certain time period by the total number of hours worked in that period, then multiply by 200,000 to get the LTIR. FREQUENCY TYPES OF INCIDENT 08 | The Near Miss Project: 2015. 3. Total Hours Worked in the past year: 500,000. First, Calculate Your Incidence Rates. comparable across any industry or group. Most of the near-misses were pregnancies with hypertensive disorders (49%). That means for every 100 full-time employees at your company, 7. 02 * 48)) I used AMAT = Hit Time(1) + Miss Rate * (Hit time(2) + Miss Rate * (Hit time(3) + Miss Rate * Miss Penalty)) Here is the Table, and also Frequency is 2. 21 0. 50 Weeks Per Year Incidence Rates are calculated. 1%) were fatal injuries and 21,176 (57. The ratio of near-miss to maternal mortality was 3. The formula for calculating your accident frequency rate is the number of reported accidents multiplied by 200,000, divided by the number of employee hours worked. The minimum sample size required were: 64 near miss cases to 256 controls. These ratios were used to calculate the prevalence values of severe maternal morbidity and maternal near miss of 1. Also differences in long-lasting diseases were relevant. 28 0. Take the number from Step 3 and divide it by the number from Step 2. From 2018, data is. Calculating Your Lost Time Injury Rate . However, a growing number of experts now argue that this concept is too short-sighted. A single injury or illness has a much greater effect on incidence rates in small establishments than on larger establishments. frequency of near misses for games between 100 to 1,200 players in 100 player intervals (i. ) TRIR = 1. The estimated number of people with an over-3-day absence injury at any time. 9/ 1000 live births. The reason for calculating an accident frequency rate is to. 05%). If you multiply 3 times the 200,000 figure, you get 600,000. A prospective descriptive study was carried out from October 1 2016 to 31 December 2016, using the WHO criteria for maternal ‘near miss’ at the two tertiary public hospitals which receive referrals of all obstetric complications in Harare city, Zimbabwe. Now, you are probably wondering what makes a strong TRIR. The National Safety Council (NSC) reports that 75 percent of workplace accidents follow at least one near miss event. Reflected in theMethods and caveats relating to the calculation of incidence rates from THOR-GP data [back to top] IIDB - Industrial Injuries Disablement Benefit Scheme Index of IIDB tables - Last updated 11/23. 28, the doubled value of pi. Terjadi 60. Thus Maternal Mortality to Near Miss Ratio is 1:17. Westminster. A meta-analysis was performed calculating the overall proportion of near miss events by sub-region, country, near miss. The session aims to develop the knowledge and skill of safety officers in calculating FR and SR which is part of the report being submitted to DOLE, in compliance with DO198-18. 64 1. It gives information about how frequently accidents occur and is represented as I r = I n *100000/ N mh or Injury Frequency Rate = Number of Disabling Injuries *100000/ Man Hour. 14,15 Multiple factors may be responsible for these increased. 9 %. 1. 2%) were minor injuries. In some country, the first aid injury frequency coefficient (F) h determined by. Rumus: Incidence Rate = ( Jumlah Kasus x 100) / Jumlah tenaga kerja terpapar Contoh : Masih melanjutkan kasus diatas Incidence Rate = ( 46 x 100 ) / 500 = 9,2% 5. In my 20+ year career in Safety and Injury Management, I have been asked countless times what is the difference between a near miss and an incident. Tier 3: an occurring incident with low risk actual or potential outcomes. The accident rate gives an estimate of the accident risk per flight. Some work is needed, such as adopting and communicating a common definition of a near miss, and training frontline workers on how to identify a near miss and report one, but the effort is manageable. The “accident triangle” or “safety pyramid”, is a theory that there is a direct relationship between serious accidents, minor accidents and near misses. Sample data collection form 21 Annex 3. Thus, studying the cause and predictors of maternal near-miss is vital to improving the quality of obstetric care, particularly in low-income countries. Calculate Injury/Illness Rates. 01% to 2. 6 : 1, and mortality index was 14. Accidents of various types in the construction of hydropower engineering projects occur frequently, which leads to significant numbers of casualties and economic losses. For instance, if you had two cases where an employee missed work from a workplace accident, your DART would also be 2. ([Number of lost time injuries in the reporting period] x 1,000,000) / (Total hours worked in the reporting period) RIFR: Reportable Injury Frequency Rate Here is the TRIR calculation formula set forth by OSHA: TRIR = Number of Incidents x 200,000 / total number of hours worked in a year. The resulting calculation would be: (5 recorded 'injuries' x 1,000,000) / 200,000 hours = 25 injuries per million hours worked. Out of 8433 live births, 288 maternal near-miss cases and 62 maternal deaths were identified. Results Average maternal near-miss incidence ratio (MNMIR) for ICU admission was 3. 0 and AMOS version 24. Last updated on Apr 2, 2023. potential near miss incidents. 47 49. See how your rates compare to the industry average TRIR for your industry (based on NAICS codes & BLS. For example, if all your employees during last year worked for a total number of hours equal to 2,000,000, and your number of recordable injuries is 2: TRIR = (2 × 200000) / 2000000 = 400000 / 2000000 = 0. 004 0. There are others but I think this is what you are trying to calculate. There are others but I think this is what you are trying to calculate. This is the current recommended formula by the New Zealand BusinessThe Injury Frequency Rate formula is defined as the number of disabling injuries that occurred per one lakh man hours worked. Overall severe morbidity, near-miss and mortality indicators: Severe maternal outcome ratio (per 1000 live births) 15. Results During the one-year period, there were a total of 238 maternal near-miss cases and 29,697 live births in all participating hospitals, which provides a maternal near-miss incidence ratio of. [Source: Self-reports from the Labour Force. Helps normalize for the actual hours worked and particularly helpful for larger organizations (calibrating to 1 million hours is approximately 500 full time persons over a year). Bureau of Labor Statistics to compare your rate with the same business group. The easy part of TRIFR calculations, like all safety KPIs ( see more here) is the measurement itself. are used to calculate how a company health and safety system is performing, by calculating the number. Often, only “luck” prevents a near miss from becoming a loss. 8/1,000 live births . Using this standardized base rate, any company can calculate their rate(s) and get a percentage per 100 employees. The severity rate calculation from here would be: Severity rate = (25 lost work days x 200,000) / 2,000,000 hours worked = 1 lost day per accident. Do not. While we expected a high degree of heterogeneity between the. an attempt to do or achieve…. TRIR serves as a retrospective gauge often utilized to quantify a company's safety record, and its computation can be achieved through the formula provided or by utilizing the. long absence lost time injury frequency rate - LTIs with 5 or more days. Within the work book there is two types of sheets one with Leading Indicators Under the Monthly Stats Tab, The other is under the current Stats Tab. Lag Indicators. Near-miss management system is an umbrella term used to refer to software systems used to record, analyse and track near misses (Oktem 2002 ). Apply incident rate formula to identify trends in incident severity and frequency. Item Failure may occur Potential Impact Failure. 4% compared to the 2019 DIFR (9. That is obviously unrealistic, especially for big companies with many employees. 1 x 100,000 divided by 80,000 = accident frequency rate of 1. 6% to > 30% of all live births. 10% (specialist), 1. 38% to1. 2. 2/1000 live births and 295/100000 live births respectively. Then, for each country X and sector k the weights w k are multiplied with the (non-standardised) incidence rate r in order s produceto weighted incidence rate r' specific for s sector in each country X: 𝑟𝑟′𝑋𝑋,𝑘𝑘= 𝑟𝑟𝑋𝑋,𝑘𝑘∗ 𝑤𝑤𝑘𝑘 3. 03 All Injury Frequency Rate. The severity rate is the total number of days lost or charged due to accidents per one million man-hours worked. Apply the concepts of disease frequency in the analysis of results from epidemiological research. Maternal near-miss was calculated as number of maternal near-miss cases per 1000 live births. of Events X Multiplier) / Hours: Near Miss NSHIIR: Non-Notifiable Event Injury/Illness Rate (No. The calculation is made by dividing the total number of lost workdays by the total number of recordable incidents. In the United States, the most common of these is the total recordable incident rate (TRIR). Location B with its 250 employees has worked 512,500 hours for the year and has experienced 6 recordable level injuries which gives them an incident rate of 2. For example, if all your employees during last year worked for a total number of hours equal to 2,000,000, and your number of recordable injuries is 2: TRIR = (2 × 200000) / 2000000 = 400000 / 2000000 =. g. Then use the tool below to calculate your company’s rate. The incidence of NNM cases ranged from 21. 2. The total no of near-miss cases or SAMM was 144, and 77 maternal mortalities occurred during the study period of one year. This results in a number ranging from 1 to 16. The observational patients had an mortality incidence rate of 12. Incident: This type of event results in mild-to-moderate. Incidence rates and prevalence proportions are commonly used to express the populations health status. The 200,000 is the benchmark established by OSHA because it represents the total number of hours 100 employees would log in 50 weeks based on a 40-hour work week. From a hospital based study that used a modification of the WHO tool , the maternal mortality ratio was 350 maternal deaths per 100,000 live births, the maternal near miss incidence ratio was 23. 90 1. The total MNMR was 32. Maternal near-miss was the primary exposure and was ascertained using the World Health Organization criteria. Severity and frequency are each rated on a scale of 1–4 and multiplied together to give an overall risk rating. Identify the number of new cases. if you want RIDDOR AFR only use RIDDOR number of accidents and formula is the same. The near miss frequency rate (NMFR) is the number of near misses per million hours worked in a given period. In other cases, it may be necessary to pull together a team of people to work on it together. Take your total number of recordable cases, multiple that number by 200,000 and then divide that combined number by the total number of hours worked. Lost Time Case Rate. 34%. 8 million workers were suffering from an illness they believed was caused or made worse by their work and 565,000 workers sustained a non-fatal injury at work. This method, by counting hours worked rather than the number of employees, avoids distortions which may be. 2 Process Deviations or Excursions 6. This means that for every one million hours worked in the facility, there are 40. 0% and with the overall ratio. 5. 3. 5 per 1000 live births. The lost time injury rate (LTIR) is calculated using a simple formula, where the total number of lost time injuries in a given period is divided by the total number of hours worked in that period and then multiplied by 200,000. 01 per 1000 live births in all participating hospitals. Total Hours Worked in the past year: 500,000. Sixty studies with near-miss data from 56 countries were included in the meta-analysis. The number of HPIs reported in 2020/21 was 25. 1 Percentage of electric utility revenues from rate structures that are decoupled or contain a lost revenue adjustment mechanism 100An accident rate is also known as incidence rate. $endgroup$ – user57037. Divide by the result by the total number of hours worked. It is a known fact that for every maternal. The near miss reporting procedure should form part of the company’s overall safety program and should be communicated at all levels, through regular safety training. 2 (95% CI, 100. it is clear that. 5%) of them have previous history of abortion, 44 (12. The parameters for the calculation were: prevalence of near misses of 17% (based on previous work in Nigeria), power of 80% at 5% statistical significance level. 9’ Chapter1:Introduction(’ ’ Construction’remains’a’dangerous’occupation’around’the’worlddespitethe’ best’intentions’of’governmentallaws. We can therefore calculate the company’s illness rate as follows: (426 ÷ 49,248) x 100%) = 0. 1. 7%. Enter N = Number of Recordable Injuries and/or Illnesses in One Year EH = Total Number of Hours Worked by all Employees in One Year 200,000 = Equivalent of 100 Full-Time Employees Working 40 Hour Weeks. 4% compared to the 2019 DIFR (9. Total number of hours worked by all employees (annually) =. 30. 48 dis-abling injuries per million employee hours of exposure. If it’s low, it means the working conditions are safe. Low-income. The severity rate calculation from here would be: Severity rate = (25 lost work days x 200,000) / 2,000,000 hours worked = 1 lost day per accident. All 3 types of injuries declined from 2019. 12 There has been one previous study from Ghana, which estimated that maternal near-misses outnumbered mortality at a ratio of about 3:1 in a single setting. Contoh : Suatu perusahaan dengan 500 tenaga kerja, kegiatan 50 minggu per tahun, 48 jam perminggu. Fatality. This would be a pretty high TRIFR, as you can see some TRIFR averages here. Near Misses Rate. 6 million U. Calculating Your Lost Time Injury Rate . The item-set will represent the risk-source related to the cluster. Results: Out of total 2371 live births 124 Near Miss Events occurred among which 7 expired. 4%) were admitted to the intensive care unit during delivery, and 22 (6. 6 Tier 3 - Near Miss Incident Indicators 6. 56 per 1000 live births. The basic formula is (N x 200,000)/EH, or the number of cases (N) multiplied by 200,000 then divided by the number of hours worked (EH) by all employees during the time period, where 200,000 is the base for 100 full. Though a near miss is sometimes deemed too trivial to be worth documenting, enforcing a near-miss report has many advantages. 1 in 2018, according to the Bureau of Labor Statistics. 02/04/23 Author: Business and Learning Resources. In contrast, what is needed is a multi-dimensional framework for identifying critical risks and monitoring measures of implementation (lead KPIs) and effectiveness (lag KPIs) of relevant controls. [citation needed] OSHA defines a near miss as an incident in which no property was damaged and no. Follow safety rules and procedures to help prevent near misses and injury incidents. The minimum sample size required were: 64 near miss cases to 256 controls. Survivors of near-miss events share several features with mothers who have died and identifying determinants of. Sum all the lost time of accident cases during the period you want to calculate the LTIF. LOST WORKDAY RATE – a mathematical calculation that describes the number of lost work days per 100 full-time employees in any given time frame. (e. 2 in GRI 101 for requirements on reasons for omission. This stark fact shows exactly how important it is to report a close call and to follow up that report with a hazard resolution. 4% to 2. 81 Hz/rad. 04% and 4. 4 And voila! Your company’s LTIFR is 2. 96 Contract Employees 0. Here are the steps for calculating incidence rate: 1. The formula can also be multiplied by 1,000,000 to get the injury frequency. The 200,000 is the benchmark established by OSHA because it represents the total number of hours 100 employees would log in 50 weeks based on a 40-hour work week. 2) Disabling injury severity rate (essen-tially a weighted frequency rate). An effective NMS aims to quickly recognise near misses from the business operations in order to apply prevention measures. Tier 3: an occurring incident with low risk actual or potential outcomes. The formulae used to calculate the incidence estimate and rate of over 3-day absence injury relating to individuals working in the last 12 months for overall and individual characteristics such as age and sex are given by: Incidence of over-3-day absence injury. : ABC Manufacturing Company’s Frequency Rate is 40. Ambulatory patients may experience ADEs at even higher rates, as illustrated by the dramatic increase in deaths due to opioid medications,. AFR = (Accidents * 100,000)/total hours worked. 5) and 532 near misses (incidence rate 5. 2. The tricky part lies in getting accurate. Near Miss Reporting: 1. DART. Average memory access time = Hit Time + Miss Rate X Miss Penalty. BackgroundReporting near misses is a practical approach to improve the confounding challenge of patient safety. Step 4 – Develop an Action Plan. The investigation of severe maternal morbidity (SAMM) and maternal near miss (NM) and associated risk factors is important for the global reduction of maternal mortality. Frequency Rate Lag Lost Time Injury Frequency Rate (LTIFR) Total Recordable Incident Frequency Rate (TRIFR). Mick Fanning’s spine-chilling shark encounter demonstrates the difference between an Incident, Hazard and Near Miss. The formula for calculating incident rates varies depending on the type you’re interested in. This factor could be: A control that was. It’s calculated by dividing the number of recordable injuries by the total number of employees over one year. if you want RIDDOR AFR only use RIDDOR number of accidents and formula is the same. Divide the angular frequency of the wave, given in radians per second, by 6. The reason for calculating an accident frequency rate is to. 14 = 6. 7 to 4. 4 per 1000 live births and the ratio between maternal mortality and near-miss cases was 1:10. Mean age of near-miss cases was 28. 8 + 0. For example, if you had 1 recordable incident out of 10,000 hours worked in a year. 100, 200, 300,. We would like to show you a description here but the site won’t allow us. Then, the number is multiplied by 200,000 to make it easier to use and interpret. They are sometimes referred to as near-miss systems. LTIR = (Total LTIs / Total number of hours) × 200,000 then, in the frequency formula: F = (12 x 106)/2,189,243 = 5. Near Miss Reporting: 1. 03 2. ObjectiveTo identify determinants of maternal near-miss among women. % Total recordable injury rate (TRIFR): The frequency rate of RIs (TRIFR) is calculated when a business needs to compare RI performance across businesses of different sizes. 6% and 14. Employees confidently know they can identify near-miss without fear of retribution and also assist in identifying solutions. 4 (95% CI = 13. Maternal Near Miss incidence was at 9. The number of reported accidents is derived from your operations, as is the total hours worked, while the number 200,000 is used in a number of safety KPI's to standardise the AFR. 6/1000 live births, maternal near-miss to mortality ratio was 1. LTIFR is the number of lost-time injuries (LTI) occurring in a workplace per 1 million hours worked within a given period. ,. 8:1. Thus Near Miss Ratio (NMR) and Maternal Mortality Ratio (MMR) of our hospital is 52. Pairwise Calculation. To fulfill the goals described by Van der Schaff et al. 000 jam dan absen 60. An incidence rate of injuries and illnesses may be computed from the following formula: (Number of injuries and illnesses X 200,000) / Employee hours worked. 95 accidents per 100 employees, which could be relatively high depending on the industry. The Maternal near miss incidence ratio was 17. The first step in benchmarking is to calculate the incidence rates for your organization. Thus, the solution from the incidence rate definition is: 1 / 50,000 * 100,000 = 2. 503–0. 4 1 incidents per hour cycled. [1] An example of incidence would be 795,000 new strokes in the United States, annually. 1 Tier 3 Indicator Purpose 6. Finally, the standardised incidence sr of the countryrate X is calculated as the sum of theExamining the card further, we can calculate the number of different bingo card permutations we can form using the rules stated above:. (Please contact the State for additional data. 009 0. Write down the number of new cases found in the period of time you're considering. This study was undertaken to assess the feasibility of a near-miss reporting system in primary care practices. How to Calculate the Accident Rate. The occurrence frequency of incidents is relatively high because the project involves dozens of construction sites and tunneling work typically has a greater exposure to risks due to. 01% and 2. Calculations of sunrise and sunset in Victoria – British Columbia – Canada for November 2023. Total Workforce Fatality Rate 0. The aims of this study were to gain insight into the incident reporting system by exploring and investigating the refinement of unreported and under-reported (near-miss) patterns and by estimating under-reported annual. Near Miss Frequency Rate (NMFR) This KPI measures the number of near-miss incidents per million hours worked. 60. To calculate your LTIFR, simply plug those numbers into your formula: (6 x 1,000,000) / 2,500,000 to get a LTIFR = 2. 25. The easy part of TRIFR calculations, like all safety KPIs ( see more here) is the measurement itself. Learning how to properly measure your near misses is important for any facility owner, safety manager or others who are. Because these rates can help determine both problem areas and prevent work-related accidents, injuries, and illnesses. The number of reported accidents is derived from your operations, as is the total hours worked, while the number 200,000 is used in a number of safety KPI's to standardise the AFR. Sebagian dari Anda mungkin pernah mendengar dengan istilah Frequency Rate, Severity Rate, Incident Rate, Average time lost injury (ATLR), Lost time injury. This number tells you the number of lost time injuries per 100 worker years (equivalent to 2000 hours. Good, the incidence rates are identical. It is simple, intuitive and. 1: Sales-weighted fleet fuel efficiency for medium- and heavy-duty vehicles: Gallons per 1,000 ton-milesLike the TRIF formula, DART considers the number of cases where an employee missed work from a work-related injury. The pooled global near-miss estimate was 1. Incidence of near-miss events in African hospitals. Purpose: Near-miss events represent an opportunity to identify and correct errors that jeopardize patient safety. 05 * (10 + 0. It can be the total amount of reported cases or similar frequency rate as TRIF but it measures the frequency of reported near misses or safety observations. 1 year period prevalence proportions were 26. Here are the different types of work-related events that require reporting: Near miss: This is when an event happens that almost causes an employee to suffer injuries or illness. Incident rate is number of incidents * 100 then this time divided by number of people. Rates were within the range of 0. It helps to identify the effectiveness of safety measures in preventing serious injuries. 40 0. Any accident which is reported on site or in the workplace will become a part of the resulting AFR number. potential near miss incidents. The formula for calculating your accident frequency rate is the number of reported accidents multiplied by 200,000, divided by the number of employee hours worked. 29. 50 Weeks Per Year Incidence Rates are calculated.