crime data survey by …….. oraphin mathew anon juntavich international workshop on social...

Crime Data Survey

By …….. Oraphin Mathew

Anon Juntavich

International Workshop on Social Statistics , 22-24 November 2010 , BEIJING , CHINA

2

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

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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.

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Background (cont.)

Crime data for the whole kingdom was collected asa sample survey in 2008 to have the police area data.

In 2010, only having the basic information data forthe whole kingdom ( budget limitation to collect

detailed information ).

Plans to have sample survey every two years.

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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.

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Scope and coveragePopulation 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

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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 )

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2006 Pilot Survey ( Bangkok ) Data collection

Sampled household

Did any members in hh. face victims of crime last year ? (using listing form)

yes

face to face interviewing

terminate

no

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2007 Pilot Survey (Nakhon Si Thammarat Province)

Sample Design : using a stratified cluster sampling

•stratification : local administration area ( = 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.

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•every households in each sample BLK/villages

are interviewed


………………………….……………………………

(394 BLKs/vil x 150 hhs per BLK/vil = 59,100 hhs )

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Data collection

Sampled household

Did any members in hh. faces victims of crimelast year ? (using listing form)

yes


terminate

no


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•stratification : police area (= BKK+9 regions) &local administration area ( = 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

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•every households in each sample BLK/villages

are interviewed


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2008 Crime Data Survey :

Police areaTotal

( BLKs/villages)Municipal areas

( blocks)Non-municipal

areas( villages )

BKK

Region 1

Region 2

Region 3

Region 4

Region 5

Region 6

Region 7

Region 8

Region 9

312

696

612

564

732

576

660

660

492

492

312

384

336

300

420

324

372

360

276

252

-

312

276

264

312

252

288

300

216

240

Total 5,796 3,336 2,460

Sample Size

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Data collection

Sampled household

Did any members in hh. face victims of crime last year ? (using listing form)

yes


terminate

no


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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


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Main findlings from the survey

Item 2006(Bangkok)

2007(Nakhon Si Thammarat

)

2008(whole kingdom)

1. characteristics of victim of crime

1. 57.4% are female2. 65.3% married3. 26.0% age 45-594. 39.1% earning ฿5,000 - ฿10,000 5. accommodation has no privacy, no fence

1. 59.1% are male 2. 78.4% married3. 32.7% age 45-594. 45.7% earning < ฿ 5,0005. 92.8%

accommodation has no privacy6. 87.3% no fence

1. 51.9% are male2. 74% married 3. 32.5% age 45-59 4. 33.7% earning <฿5,0005. 35.7% victims of sex crimes ( most are women who have no work )

2. characteristics of offender

2.1 one offender

2.2 > 1 offenders

1. 81.9% are male2. 36.6% age 18-25

1. 84.9% are male2. 49.8% age 18-25

1. 80.3% are male 2. 36.7% age 18-25

1. 80.5% are male2. 42.2% age 18-25

51.0% have only one offender per event

1. 83.2% are male2. 30.7% age 18-25

1. most are male2. 43.1% age 18-25

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Main findlings from the surveyItem 2006

(Bangkok)

2007(Nakhon Si

Thammarat)

2008(whole kingdom)

3. location of crime

4. time of occurring crime

1. 50.2% are accommodation of victims

1. 22.4% time 18.00 – 24.00

1. 70.4% are accommodation of victims

1. 61.0% time 18.01 – 06.00

1. 77.4 % are accommodation of victims

1. 36.5% time 18.01 – 06.00

5. relationship between offender and victim

1. 74.0% didn’t know each other before


2. 11% neighbors of victim


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Main findlings from the survey

Item 2006(Bangkok)

2007(Nakhon Si

Thammarat)

2008(whole

kingdom)

6. percentage of victims

7. type of crime - total

7.1 crime against property

7.2 crime against life and body

7.3 sex crime

7.4 impersonation person information

1.3%

100.0%

93.1%

4.2%

0.8%

1.9%

0.69%

100.0%

93.8%

4.4%

-

1.8%

0.6%

100.0%

94.0%

4.6%

0.3%

1.1%

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Main findlings from 2008 survey

Item WK BKK

1. characteristics of victim of crime

11. sex

1.2 education

A2 A8A7A6A5 A4A3 A9A1

• male

• female

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

51.9

48.1

• none

• primary

• secondary

• bachelor

degree

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

66.

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

1 00.

2.7

51.9

12.6

11. 6

5.6

48.8

12.6

14.4

(majority)

crime data survey by …….. oraphin mathew anon juntavich international workshop on social...

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