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Contributory Factors

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As there are various ways to use contributory factors in the three tabs, this [[Contributory Factors example]] shows the different approaches to analysing with CFs in [[MAST]].  
As there are various ways to use contributory factors in the three tabs, this [[Contributory Factors example]] shows the different approaches to analysing with CFs in [[MAST]].  
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==Available Contributory Factor dimensions==
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Some contributory factors can appear in [[Crashes]], [[Vehicles]] and/or [[Casualties]]. Full lists of which dimensions are available and what they are called can be found in tables on these pages:
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*[[Crash Related Contributory Factor Dimensions]]
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*[[Vehicle Related Contributory Factor Dimensions]]
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*[[Casualty Related Contributory Factor Dimensions]]
==Contributory Factor definitions==
==Contributory Factor definitions==
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==Contributory Factors in the Crashes tab==
==Contributory Factors in the Crashes tab==
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In the [[Crashes]] tab, there are all '''78''' contributory factor dimensions, as defined in [[STATS20]]. The available dimensions are in this [[Crash Related Contributed Factory Dimensions|list]].  
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In the [[Crashes]] tab, there are all '''78''' contributory factor dimensions, as defined in [[STATS20]]. The available dimensions are in this [[Crash Related Contributory Factor Dimensions|list]].  
The dimensions are formatted so there is a 'Yes' or 'No' for each contributory factor i.e. did this crash have this CF recorded? A contributory factor is recorded as 'Yes' when the CF in question was recorded at least once in relation to the crash.
The dimensions are formatted so there is a 'Yes' or 'No' for each contributory factor i.e. did this crash have this CF recorded? A contributory factor is recorded as 'Yes' when the CF in question was recorded at least once in relation to the crash.

Revision as of 13:17, 7 October 2013

Contents

Contributory Factors

MAST now contains contributory factors (CFs) after the Department for Transport agreed to grant users access.

As there are various ways to use contributory factors in the three tabs, this Contributory Factors example shows the different approaches to analysing with CFs in MAST.

Available Contributory Factor dimensions

Some contributory factors can appear in Crashes, Vehicles and/or Casualties. Full lists of which dimensions are available and what they are called can be found in tables on these pages:

Contributory Factor definitions

Contributory factors definitions are set out in STATS20. There are clearly defined rules on what the contributory factors mean; which parties they are allowed to be attributed to; and in which circumstances they should be used.

Contributory Factors in the Crashes tab

In the Crashes tab, there are all 78 contributory factor dimensions, as defined in STATS20. The available dimensions are in this list.

The dimensions are formatted so there is a 'Yes' or 'No' for each contributory factor i.e. did this crash have this CF recorded? A contributory factor is recorded as 'Yes' when the CF in question was recorded at least once in relation to the crash.

A second level of these dimensions indicates to which type of participant the CF was attributed, e.g. driver; passenger; pedestrian; a mixture of participants; or an unknown party.

As ever, the measures on the Crashes tab always refers to the number of crashes and not the number of contributory factors attributed.

Contributory Factors in the Vehicles tab

In the Vehicles tab, there are 69 contributory factor dimensions where a CF was attributed to a vehicle. This includes where the contributory factor was attributed to a casualty who was the vehicle's driver/rider.

The dimensions are formatted so there is a 'Yes' or 'No' for each contributory factor i.e. did this vehicle and/or driver/rider have this CF attributed?

A second level of these dimensions indicates whether or not the vehicle's driver/rider was injured.

As ever, the measures on the Vehicles tab always refers to the number of vehicles and their associated drivers/riders and not the number of contributory factors attributed.

Contributory Factors in the Casualties tab

In the Casualties tab, there are 40 contributory factor dimensions where a CF was attributed to a passenger or pedestrian casualty and an additional 11 dimensions which indicate the involvement of certain CFs by any party or parties in the collision.

The dimensions are formatted so there is a 'Yes' or 'No' for each contributory factor i.e. did this passenfer or pedestrian casualty have this CF attributed?

A second level of these dimensions indicates the casualty class.

As ever, the measures on the Casualties tab always refers to the number of casualties and not the number of contributory factors attributed.

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