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Statistical analysis

Title:  

Occupational Diseases in British Columbia, 1980-2004

  Order #:    
  Description:  

The report provide statistical information on claims arising from occupational diseases in British Columbia for the years 1980 to 2004. The claims are categorized by the type of disease; the exposure that led to the disease; industry; and the age, gender and occupation of the worker.

      Bound report. Annual.
       
Title:  

Occupational injuries by accident type and occupation in British Columbia, 1997 - 2004

  Order #:    
  Description:   The report provides statistical information on occupational injuries in British Columbia for the years 1997 - 2001. Injuries are categorized by type of accident that led to the injury and the occupation of the injured person. A series of statistics are provided: counts of injuries, injury rates, claim durations, average ages, and a distribution by gender.
      Bound report. Annual.
       
Title:   Trends in injury rates, 1990-1997
  Order #:   SS035
  Description:   Injury rates for 16 large subclasses over the 1990-1997 period were broken down into ergonomic and traumatic components and were correlated with four potentially explanatory factors. Some statistical relationships were found between injury rates and these factors, but the relationships were not large and were difficult to interpret.
      Internal memo. August 1998.
       
Title:   Increase in claim duration in 1997
  Order #:   SS034
  Description:  

The increase in claim duration in 1997 was found to be largely not related to changes in the distribution of claim characteristics like nature of injury, and age and gender of injured worker.

      Internal memo. April 1998.
       
Title:   Trends in injury rates by accident category
  Order #:   SS033
  Description:   Trends in injury rates by accident category over the 1977-1996 period were examined. In the period 1987-1996, the decline in injury rates was mainly in the traumatic injury categories; rates of ergonomic injuries were relatively stable.
      Internal memo. March 1998.
       
Title:   A comparison of BC and US injury rates, 1994
  Order #:   SS032
  Description:   1994 injury rates were compared between BC and neighbouring US states. The comparisons were done at the industry level. The results are approximate because the industry categorization systems are different, and the methods of recording injuries are different.
      Internal memo. July 1997.
       
Title:   Changes in injury rates between 1993 and 1994
  Order #:   SS031
  Description:   Correlations were done at the subclass level between changes in the injury rate, changes in the percentage of workers under 25, and changes in the inspection rate.
      Internal memo. May 1996.
       
Title:   Relationship between future demographic shifts and future ltd costs
  Order #:   SS030
  Description:   An analysis was done of the impact on future assessment rates of the demographic shifts forecasted to take place in the covered workforce in BC through 2019.
      Internal memo. December 1995
       
Title:   An analysis of the trend in the injury rate in BC, 1988-1993
  Order #:   SS029
  Description:   The injury rate declined gradually over the period 1988-1993. No correlations were found between this trend and employment levels or between this trend and changes in the age/gender distribution of injured workers.
      Internal memo. August 1994.
       
Title:   An investigation into the relationship between duration and "overcompensation"
  Order #:   SS028
  Description:   An analysis of data for the years 1991-1993 showed no clear relationship between duration and whether injured workers' compensation levels exceed after-tax earnings.
      Internal memo. May 1994.
       
Title:   Claim duration: what it is and why it matters
  Order #:   SS027
  Description:   Claim duration increased between 1990 and 1992. Duration is known to depend on a range of factors including type of injury, age, and gender. Changes in these factors accounted for a part of the change in duration between 1990 and 1992, but left most of the increase unaccounted for.
      Article in the President's Quarterly Report. July 1993.
       
Title:   Relationship between ERA and injury rates
  Order #:   SS026
  Description:   The relationship between the introduction of ERA and injury rates was examined.
      Internal memo. May 1993.
       
Title:   Relationship between claim duration and the unemployment rate
  Order #:   SS025
  Description:   There has been no statistically significant relationship between claim duration and the unemployment rate in British Columbia over the 1975-1992 period.
      Internal memo. February 1993.
       
Title:   Model for claim duration
  Order #:   SS024
  Description:   Data for the 1982-1991 period was used to fit a model in which claim duration was expressed as a function of factors like: type of injury, subclass, age, gender, and type of accident.
      Internal memo. December 1992.
       
Title:   Relationship between the injury rate and the CPI
  Order #:   SS023
  Description:   Over the period 1976-1991, there was a nominal relationship between changes in the CPI and changes in the injury rate, but the underlying relationship appeared to be between the injury rate and the average age of injured workers.
      Internal memo. August 1992.
       
Title:   Relationships between ERA, injury rates, worker age, and inspection rates
  Order #:   SS022
  Description:   Injury rate data for the period 1985-1989 was analysed to see whether there were any statistical relationships between injury rates, age of worker, the introduction of ERA, and inspection rates.
      Internal memo. January 1992.
       
Title:   A comparison of the occupational injury experience of men and women in British Columbia
  Order #:   SS021
  Description:   Data for the 1982-1986 period was used to compare male and female injury rates. Male rates were found to be higher, but less so after adjustments were made for occupational differences. Injury rates varied less by age for women than for men. Men and women had different kinds of accidents.
      Bound report. February 1989.
       
Title:   Relationship between changes in the age composition of the workforce and injury rates, 1976-1986
  Order #:   SS020
  Description:   Injury rates increased in the late 1970s and decreased in the early 1980s in B.C. This change was shown to be largely correlated with changes in the average age of injured workers.
      Internal memo. December 1987.
       
Title:   Accident incidence and severity in British Columbia by time of day and day of week of injury occurrence 1972-1983
  Order #:   SS019
  Description:   Occupational injuries occur more frequently on some days of the week than others, and they occur more frequently during some hours of the working day than others. The severity of the injury varies by hour of working day. These patterns were quite stable over the 1972-1983 period. The patterns vary by type of injury, and by age and gender.
      Bound report. September 1986.
       
Title:   A comparison of BC and US injury rates, 1977-1981
  Order #:   SS018
  Description:   1977-1981 injury rates were compared between BC and neighbouring US states. The comparisons were done at the industry level. The results are approximate because the industry categorization systems are different, and the methods of recording injuries are different.
      Internal memo. February 1984.
       
Title:   Relationship between changes in injury rates and changes in inspection rates, 1981-1982
  Order #:   SS017
  Description:   The relationship between injury rates and inspection rates for the 1981-1982 period was analysed.
      Internal memo. December 1983.
       
Title:   Relationship between changes in injury rates and changes in inspection rates, 1973-1981
  Order #:   SS016
  Description:   The relationship between injury rates and inspection rates for the 1973-1981 period was analysed.
      Internal memo. July 1982.
       
Title:   An analysis of the data collected during the advertising campaign of March-April, 1979
  Order #:   SS015
  Description:   The analysis concluded that the 1979 advertising was widely noticed by the target audience, but was not significantly associated with a reduction in injuries.
      Internal memo. September 1979.
       
Title:   Accident Prevention Inspections II
  Order #:   SS014
  Description:   The relationship between injury rates and inspection rates for the 1972-1977 period was analysed.
      Internal memo. April 1979.
       
Title:   Accident patterns by time-of-day and day-of-week of injury occurrence
  Order #:   SS013
  Description:   Occupational injuries occurred more frequently on some days of the week than others, and they occurred more frequently during some hours of the working day than others over the 1971-1974 period. The pattern differed by type of injury, by industry, and by occupation.
      Journal of Occupational Accidents. 1979.
       
Title:   Some aspects of accident causation related to occupation, age, and experience of worker
  Order #:   OSS012
  Description:   Data from the 1971 census was combined with WCB data on injury occurrence to examine injury rates by age group for selected occupations. Although injury rates couldn't be computed by experience level, it could be seen that inexperienced workers had different kinds of accidents than did more experienced workers.
      Bound report. August 1977.
       
Title:   Visible accident rates - an alternative approach to the exposure problem
  Order #:   SS011
  Description:   A proposal is made that individual injury rates, calculated over employment periods, could be used where the unavailability of exposure data makes the calculation of injury rates difficult. The effect of differences in rates of job turnover has to be allowed for.
      Journal of Occupational Accidents. 1976/1977
       
Title:   The effect of piecework on logging accident rates (incorporating a different approach to the exposure problem)
  Order #:   SS010
  Description:   Data from 1972 is used to compare the injury experience of fallers paid on a salary basis to the injury experience of fallers paid on a piecework basis. Individual accident rates are used. The analysis adjusted for age, size of firm, and geographic region. The conclusion was that there was no differnce in accident rate but there was a difference in injury severity.
      Journal of Occupational Accidents. 1976
       
Title:   The effectiveness of accident prevention inspections
  Order #:   SS009
  Description:   The relationship between the probability of accident occurrence and the time elapsed since the last inspection by a WCB officer was examined. Data for 1972, 1973, and 1974 was used.
      Bound report. December 1975.
       
Title:   Industrial accident survey
  Order #:   SS008
  Description:   Survey responses from 618 injured workers were examined to assess the relationships between the occurrence of accidents and: eating breakfast, disruptions in sleep patterns, or change of job. A model of an accident as a sequence of warning-related events was fitted.
      Bound report. June 1973.
       
Title:   A survey evaluation of safety posters
  Order #:   SS007
  Description:   1,051 survey returns from injured workers were analysed. The survey form showed pictures of 16 WCB safety posters, and asked the injured workers in each case whether they had seen the poster. An analysis was done of whether the types of injuries the workers had were less likely to be the injury types that were the subject of the posters they had seen. No significant correlations were found.
      Bound report. June 1973
       
Title:   A correlation between types of hazardous conditions and accident rates
  Order #:   SS006
  Description:   Correlations were done between the accident rate at individual work sites and the ratings given by WCB officers to those sites on a series of injury hazards. Correlations were done for logging, sawmilling, and construction. Data for 1972 were used.
      Bound report. 1973.
       
Title:   Industrial fatalities to fathers of young children
  Order #:   SS005
  Description:   Data for the years 1962-1970 were examined to assess the risk of fatal injury for fathers of young children as compared to the same risk for all married men. The conclusion was that fathers of young children may be at higher risk.
      Bound report. April 1972.
       
Title:   Industrial fatalites to husbands of pregnant wives
  Order #:   SS004
  Description:   Data for the years 1962-1970 were examined to assess the risk of fatal injury for husbands of pregnant wives as compared to the same risk for all married men. The conclusion was that husbands of pregnant wives may be at higher risk.
      Bound report. April 1972.
       
Title:   An investigation of the biorhythm theory
  Order #:   SS003
  Description:   Data for 1970 was used. Industrial accidents were found to not occur more frequently on days considered to be "critical" days under the biorhythm theory than on other days.
      Bound report. July 1971.
       
Title:   A correlation between the unemployment rate and the industrial accident rate for B.C. males, 1947-1968
  Order #:   SS002
  Description:   Over the 1947-1968 period there was an inverse relationship between the unemployment rate and the accident rate in British Columbia.
      Bound report. December 1970.
       
Title:   A "non-industrial" component of industrial accident rates
  Order #:   SS001
  Description:   Data from the 1951-1969 period was used to compare rates of fatal fall incidents in industrial and non-industrial settings.
      Bound report. 1970