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International Workshop on Social Statistics , 22-24 November 2010 , BEIJING , CHINA. Crime Data Survey. By …….. Oraphin Mathew Anon Juntavich. TOPICS. Background Objective Scope and coverage 2006 Pilot survey in Bangkok 2007 Pilot survey in Nakhon Si Thammarat,
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International Workshop on Social Statistics , 22-24 November 2010 , BEIJING , CHINA Crime Data Survey By …….. Oraphin Mathew Anon Juntavich
TOPICS • Background • Objective • Scope and coverage • 2006 Pilot survey in Bangkok • 2007 Pilot survey in Nakhon Si Thammarat, • 2008 Crime data survey • 2010 Crime data survey • Main findings of surveys
Background • Cooperation between National Statistical Office & Ministry of Justice to conduct a sample survey of crime data in Thailand. • The first survey, 2006 Crime data was conducted as a pilot survey only in Bangkok . • In 2007, the second pilot survey was carried out in Nakhon Si Thammarat province only.
Background(cont.) • Crime data for the whole kingdom was collected as a sample survey in 2008 to have the police area data. • In 2010, only having the basic information data for the whole kingdom ( budget limitation to collect detailed information ). • Plans to have sample survey every two years.
Objective • Collecting data :- • characteristics of victims of crime • characteristics of offender • location of crime • time of occurring crime • relationship between offender & victim • type of crime , etc.
Scope and coverage • Population aged > 15 years who suffer cause crime in the previous year. • Crimes are divided into four categories • crime against property • crime against life and body • sex crime • disclosure private information
2006 Pilot Survey ( Bangkok ) • Sample Design : using a two-stage sampling • First stage ( PSU ) : 450 sampled BLKs by pps - sampling ( N = 16,717 BLKs ) • Second stage (SSU) : 80 sampled hhs. per BLK by sys - sampling ………………………….…………………………… (450 BLKs x 80 hhs per BLK = 36,000 hhs )
2006 Pilot Survey ( Bangkok ) • Data collection Sampled household Did any members in hh. face victims of crime last year ? (using listing form) no yes terminate face to face interviewing
2007 Pilot Survey (Nakhon Si Thammarat Province) • Sample Design : using a stratified cluster sampling • stratification : local administrationarea ( =2 ) • municipal areas : 237 sampled Blocks ( BLK ) by pps – sampling ( N=436 BLKs ) • non-municipal areas : 157 sample villages by pps – sampling ( N=1,563 vils ) ********** 394 sampled BLK/vil.
2007 Pilot Survey (Nakhon Si Thammarat Province) • Sample Design : using a stratified cluster sampling • every households in each sample BLK/villages are interviewed ………………………….…………………………… (394 BLKs/vil x 150 hhs per BLK/vil = 59,100 hhs )
2007 Pilot Survey (Nakhon Si Thammarat Province) • Data collection Sampled household Did any members in hh. faces victims of crime last year ? (using listing form) no yes terminate face to face interviewing
2008 Crime Data Survey • Sample Design : using a stratified cluster sampling • stratification : police area (= BKK+9 regions) & local administrationarea ( =2 ) • municipal areas : 3,336 sampled Blocks ( BLK ) by pps – sampling ( N=42,593 BLKs ) • non-municipal areas : 2,460 sample villages by pps – sampling ( N=67,373 vils ) ********** 5,796 sampled BLK/vil.
2008 Crime Data Survey • Sample Design : using a stratified cluster sampling • every households in each sample BLK/villages are interviewed
2008 Crime Data Survey : • Sample Size
2008 Crime Data Survey • Data collection Sampled household Did any members in hh. face victims of crime last year ? (using listing form) no yes terminate face to face interviewing
2010 Crime Data Survey • Collecting only basic information by adding entries in the listing form of LFS ( because of the limitation of budget ) • Sample design : stratified cluster sampling • Sample size : 5,796 sampled Blocks/villages for presentation BKK and 9 police areas
male • female 51.9 48.1 46.4 53.6 50.2 49.8 51.4 48.6 47.9 52.1 58.3 41.7 51.1 48.9 52.1 47.9 52.4 47.6 61.5 38.5 52.2 47.8 • none • primary • secondary • bachelor • degree 2.7 51.9 12.6 11.6 1.9 31.2 13.3 23.6 1.8 37.5 16.1 15.9 2.7 58.3 12.2 8.0 1.9 69.5 9.9 4.6 2.7 65.7 10.1 6.6 5.6 48.8 12.6 14.4 5.6 48.8 12.6 14.4 5.5 62.9 10.0 6.5 4.3 57.2 12.1 7.4 1.8 54.8 14.2 8.3 3.1 49.9 15.8 10.0 Main findlings from 2008 survey A2 A8 A1 A3 A4 A5 A6 A7 A9 (majority)