Country pre-Country pre-test results:test results:

VietnamVietnamByBy

Nguyen PhongNguyen PhongNguyen Dinh ChungNguyen Dinh ChungGeneral Statistics General Statistics

OfficeOffice

6th Annual Meeting of the 6th Annual Meeting of the Washington Group in Washington Group in

Kampala, UgandaKampala, Uganda9/06/069/06/06

Question on Question on VisionVision

Cognitive Pre-test Cognitive Pre-test Implementation Implementation

134 PWD were selected from Ha Noi and Thai 134 PWD were selected from Ha Noi and Thai Binh province, 51.5% femaleBinh province, 51.5% female– 87 from Hanoi’ PWD Associations (Deaf-and-Dump Xa Dan 87 from Hanoi’ PWD Associations (Deaf-and-Dump Xa Dan

School, Ha Noi Deaf Association, Bright Future Group, Hanoi School, Ha Noi Deaf Association, Bright Future Group, Hanoi Disable Student Club Of Management College, Ha Noi Disable Student Club Of Management College, Ha Noi Disable Club Of Students, Hold The Future Group, Hope Disable Club Of Students, Hold The Future Group, Hope Club, Integration Club, The Center For Art Vocational Club, Integration Club, The Center For Art Vocational Guidance, You & I Group)Guidance, You & I Group)

– 47 from Thai Binh province, from a list of PWD in two 47 from Thai Binh province, from a list of PWD in two communes, one from urban and the other from rural area. communes, one from urban and the other from rural area.

The respondents were selected purposively The respondents were selected purposively for specific characteristics such as their for specific characteristics such as their gender, type of disability, various age groupsgender, type of disability, various age groups

Cognitive Pre-test Response Cognitive Pre-test Response PatternsPatterns

AA BB CC DD EE FF GG HH Mis-Mis-singsing

SelfSelf 43.43.33

11.211.2 13.413.4 8.28.2 8.28.2 4.54.5 0.750.75 0.750.75 9.79.7

ProxProxyy

32.32.88

33 14.214.2 8.28.2 66 5.25.2 1.51.5 2.22.2 26.926.9

The Index of InconsistencyThe Index of Inconsistency IOIIOI estimates the ratio of response estimates the ratio of response

variance to total variance for a variance to total variance for a question answer. It is a relative question answer. It is a relative measure of response variance.measure of response variance.

If the estimate of IOI is:If the estimate of IOI is:– less than 20, response variance is low.less than 20, response variance is low.– between 20 and 50, response variance is between 20 and 50, response variance is

moderate.moderate.– greater than 50, response variance is greater than 50, response variance is

high.high.

IOI for Cognitive Pre-test IOI for Cognitive Pre-test VisionVision

0 1 2 30 46 7 1 0 54 33.41 8 21 2 0 31 49.42 0 4 4 1 9 58.03 0 0 1 2 3 34.4

54 32 8 3 97 43.0

WG1 (self)

Total

IOIWG1 (proxy) Total

Aggregate IOI: W4 (39.5%), W1 (43.0), W2 (45.4%), W5 Aggregate IOI: W4 (39.5%), W1 (43.0), W2 (45.4%), W5 (51.3%), W6 (54.7%), W3 (68.6%).(51.3%), W6 (54.7%), W3 (68.6%).

Cognitive Pre-test FindingsCognitive Pre-test Findings A&B: agreements between core and A&B: agreements between core and

extended questionsextended questions– ““Proxy” might not be sure as “Self” Proxy” might not be sure as “Self”

C&D: agreements between core and C&D: agreements between core and extended questionsextended questions

Cognitive Pre-test FindingsCognitive Pre-test Findings E&F: disagreements between core and E&F: disagreements between core and

extended questionsextended questions– Interviewer and/or respondent missed “even if Interviewer and/or respondent missed “even if

wearing glasses” in W1wearing glasses” in W1– Aging respondents believe their vision ability is Aging respondents believe their vision ability is

weakenning weakenning – Respondents don’t have glasses at all, so they Respondents don’t have glasses at all, so they

answered “YES” to W1, but when they have answered “YES” to W1, but when they have been asked extended questions they might been asked extended questions they might borrow glasses and wear them and then their borrow glasses and wear them and then their problem disappeared.problem disappeared.

Cognitive Pre-test FindingsCognitive Pre-test Findings G&H: disagreements between core and G&H: disagreements between core and

extended questionsextended questions– Being asked W1 respondents believe their Being asked W1 respondents believe their

vision ability is OK in general, but when they vision ability is OK in general, but when they have been asked extended questions they have been asked extended questions they realized they have problems.realized they have problems.

– Interviewers might not show the answer-code Interviewers might not show the answer-code card to respondents when they asked W1, so card to respondents when they asked W1, so respondents might answer “YES” to W1 if they respondents might answer “YES” to W1 if they have serious difficulty only, ignoring "some have serious difficulty only, ignoring "some difficulties” option.difficulties” option.

Following-up Activity 1:Following-up Activity 1:Pilot Test on DisabilityPilot Test on Disability

Pilot Test in Thai Binh: 29 questions (6 Pilot Test in Thai Binh: 29 questions (6 core questions, 22 extended questions, core questions, 22 extended questions, 1 question for the disability cause)1 question for the disability cause)– Sample: 1020 households of Viet Nam Sample: 1020 households of Viet Nam

Household Living Standards Survey 2004Household Living Standards Survey 2004– All household members aged 5+ were All household members aged 5+ were

interviewed: 3,409 personsinterviewed: 3,409 persons– 6 core WG questions and a short list of 6 core WG questions and a short list of

extended questions were usedextended questions were used

Pilot Test on Disability:Pilot Test on Disability: Six Six domainsdomains

VisionVision HearingHearing MobilityMobility CognitionCognition Self careSelf care Communication Communication

Pilot Test on DisabilityPilot Test on Disability: Answer : Answer codecode

No difficultyNo difficulty Some difficultiesSome difficulties A lot of difficultiesA lot of difficulties UnableUnable

Pilot Test on DisabilityPilot Test on Disability: Cause: Cause– Age (too old or too young)Age (too old or too young)– WarWar– Agent OrangeAgent Orange– Natural disastersNatural disasters– Traffic accidentsTraffic accidents– Occupational accidentsOccupational accidents– Congenital conditionCongenital condition– Drug addict/HIV/AIDSDrug addict/HIV/AIDS– Social evilsSocial evils– Illness/diseaseIllness/disease– Education limitationEducation limitation– Because of other disabilityBecause of other disability– OtherOther

Pilot Test on DisabilityPilot Test on Disability: Vision : Vision ResultsResults

  W1

Near/far vision

questions

No 70.2 73.2

Some 23.7 18.5

A lot 5.4 5.0

Unable 0.7 3.3

Following up Activity 2:Following up Activity 2:Disability Module in VHLSS2006Disability Module in VHLSS2006

Questions from “Pilot Test on Disability” Questions from “Pilot Test on Disability” except those marked “***” were except those marked “***” were intergrated in Viet Nam Household Living intergrated in Viet Nam Household Living Standards Survey 2006Standards Survey 2006

Sample size: 46,000 householdsSample size: 46,000 households All household members aged 5+ were All household members aged 5+ were

interviewedinterviewed Disability vs. living standards and Disability vs. living standards and

povertypoverty

Thank youThank you ! !