Householdcha rac ter is ti cs and healthcareexpenditure 46Communitycharacteristicsand healthcareexpenditure 54... Figure4.3 HouseholdHealthcareexpenditurestructureinyear2006 45V.N... The
Trang 2UNIVERSITYOFECONOMICSHOCHI MINHCITYVIETNAM
INSTITUTEOFSOCIALSTUDIES
THEHAGUETHEN
E T H E R L A N D S
VIETNAM-NETHERLANDS PROGRAMMEFORM.AINDEVELOPMENTECONOMICS
Trang 3L o a n fort h e continuoussupportofm y studyandresearch,forh e r patience,motivation,enthusiasm,andimmenseknowledge.Herguidancehelpedmeinallthetimeofresearchandwritingofthisthesis.Andmysincerethanksalso
gotoAssociateP r o f e s s o r D r NguyenT r o n g Hoai,Co-Directoro f TheNetherlandsProgramforM.A.inDevelopmentEconomics,whohasalwaysgivenmehisencouragementsandkindlyduringthecourseofmystudyandthesisresearch
Vietnam-Iw i s h t o t h a n k m y c l o s e f r i e n d , P h a m T i e n T h a n g , w h o s u p p o r
t e d m e i n findingworkingpapersforreferences
Lastly,Iowemylovingthankstomyparentsandmyhusband.Withouttheirencouragementandunderstanding,itwouldhavebeenimpossibleformetofinishthiswork
Class13
Trang 5Themainpurposeo f thiss t u d y i s toi de nt if y t h e d e t e r m i n a n t s o f householdhealthcaree x p e n d i t u r e i n Vietnam.T h e mains o u r c e da t a for thea n a l y s i
s arefromVietnamHouseholdLivingStandardSurvey2006(VHLSS2006).TheanalysisusesstatisticanalysisandOrdinaryLeastS q u a r e s (OLS)estimatestofindoutthedeterminantsofhealthcareexpenditure.First,statisticanalysisgivesusanoverview
ofhouseholdh e a l t h c a r e e x p e n d i t u r e si t u a t i o n i n Vietnam.S e c o n d , weestimatetheparameterso f householdhealthcare e x p e n d i t u r e modelbyusingtheOrdinaryLeastSquares(OLS)estimates
Thes t a t i s t i c r e s u l t s i n d i c a t e t h a t i n t h e t o t a l o f h o us e h o l d e x p e
n d i t u r e , t h e householdh e a l t h c a r e e x p e n d i t u r e m a d e u p o n l y 6 3 7 %
a n d i n t o t a l o f h o u s e h o l d
healthcareexpenditure,72.530isusedinpayinguserfeesathealthfacilities(healthexpenditureforhavingtreatment).Theresultsalsopresentthathouseholdhealthcareexpendituresd i f f e r b y e x p e n d i t u r e q u i n t i l e s , h e a l t h s t a t u s , h e a l t h i n s u r a
Keywords:households;healthcareexpenditure,householdexpenditures,Vietnam
Trang 6VNP Class13
Trang 7TABLEOFCONTENTS TABLEOF CONTENTS ACKNOWLEGEMENTS
1.3Rese arch questions
2.1 Definitions2.1.1 Healthcare
2.1.2 HouseholdH e a l t h c a r e e x p e n d i t u r e
Theoreticalf r a m e w o r k forHouseholdH e a l t h c
a r e2.2ExpenditureF u n c t i o n
2.2.1 Householdsandutilizationofhealthcare
Householdcharacteristicsandhouseholdhealthcare
2.2.2
expenditureCommunitycharacteristicsandhouseholdhealthcare22
expenditure
AnoverviewoftheEmpiricalstudiesrelatesto
2.3householdh e a l t h c a r e expenditure
Page3
4
589
1011
111415
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1717181818
20
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Trang 8Householdcha rac ter is ti cs and healthcareexpenditure 46Communitycharacteristicsand healthcareexpenditure 54
Trang 9Determinantso f householdhealthcareexpenditure.•AnanalysisinVietnamusingofV H L S S 2tI#6
Regressionresultsofthedeterminantsofhousehold
64
healthcareexpenditureswithsignificantvariables
Trang 10Figure4.3 HouseholdHealthcareexpenditurestructureinyear2006 45
V.N
Trang 11Thebest model:RegressionofthemodelwithdependentAppendix5 79
variableisHouseholdpercapitahealthcareexpenditure
Trang 12hadtoborrowtopayforhealthservicesandth e burdeno f healthe x p e n d i t u r e h a s resultedi n borrowingsb y m a n y households.Thef i n a n c i a l b u r d e n ofh e a l t h c a r
e alsoc a u s e s a n e n d l e s s c y c l e o f povertya n d ill-health- theburdeno f of-pocketh e a l t h c a r e paymentso n households
out-The“doimoi”(renovation)processofVietnamstartedin19 86 andafterover20y e a r s o f “ D o i m o i ” , V i e t n a m h a s g a i n e d s i g n i f i c a n t a c h i e v e m e n t
s i n b o t h t h e economyandsociety,includingimportantachievementsinHealthsector
Thehealthreformshavereachedprofoundchangesinhealthcareutilizationincludingthechangeinh e a l t h c a r e financing,h e a l t h c a r e access,h e a l t h c a r e delivery.M o r e
a t t e n t i o n t o promotethedevelopmentoft h e privatehealthsectorandliberalizationo f t h e pharmaceuticalindustrya r e t w o o f t h e m o s t i m p o r t a n t r e f o r m s i
n h e a l t h s e c t o r s Beside,t h e userf e e s forhealths e r v i c e s athigherl e v e l publiche al th f a c i l i t i e s a n d healthinsuranceprogramalsoh a v e introduced.Alloft h
e s e reformshavehad
Trang 13t f o r h e a l t h c a r e expenditures.T h e h e a l t h i n s u r a n c e f u n d c o v e r s c u r a t i v e
c a r e e x p e n d i t u r e s f o r t h e
peoplethatenrolledinsocialhealthinsuranceschemes(compulsorya n d voluntary).Besides,t h e g o v e r n m e n t a l s o i s s u e s s o m e health i n s u r a n c e p o l i c i e s t h a t
e x p a n d e d subsidizedh e a l t h i n s u r a n c e t o c o v e r t h e p o o r , t h e n e a r p o o r a n d
c h i l d r e n u n d e r 6 yearsold
Andt h e V H L S S 2 0 0 6 ’ s r e s u l t s s h o w t h a t m o r e t h a n 50%p e o p l e
r e c e i v i n g medicalexaminationandtreatmenthadhealthinsurance,significantincreasethantheratei n 2 0 0 4 e v e n i n r u r a l a r e a s H o w e v e r , coverageo f h e a l t h i n s u
r a n c e r e m a i n s limited;t h e f i n a n c i a l s u s t a i n a b i l i t y o f h e a l t h i n s u r a n
c e f u n d i n g i s s t i l l l o w R u r a l peopleh a d l e s s opportunity t o r ec e i v e m e d i
c a l e x a m i n a t i o n a n d treatment i n s t a t e hospitalsthanurbanpeople;theyoftenhad
togotocommunehealthcenters.Therateinr i c h e s t q u i n t i l e w a s h i g h e r t h a n i n t h
e p o o r e s t q u i n t i l e a n d t h e d i f f e r e n c e w a s patients.Differencesinutilizationofhealthservicesbetweenvariouspopulationsgroupshavegrown,itcoupledwithgapsinlivingstandard.AlsoaccordingtotheVHLSS2006’sresults,expenditureforhealthcareofhouseholdsin2006wasa l l increased t h a n in 2004.Theaverage expenditurep e r pe r s o n o f urban
richhouseholdswashigherthanofr u r a l householdsandp o o r householdsrespectively.InVietnam,healthcareexpendituresofthepoormakeupahigherp r o p o r t i o n o f theiri n c o m e t h a n t h e non-
poore v e n thought h e y o f t e n t r y torestricttheirseeking-behavior
Trang 14VNP
Trang 15Moreover,thereportbytheWorldBank(2001)indicatedthatthereisaverylargeinrelationtodisposableincomeforthepoor.T h i s isabigproblemofthehealthsectorespeciallyindevelopingcountries.Theexpenditureforhealthcareservicesistoohighf o r thepoora n d m a n y p e o p l e d o e s notc o n f i d e n c e i n theq ua l i t y o f localmedialcareservicesmaycauset h i s p r o b l e m Therefore,understandingwhich
s u c h a s h o u s e h o l d e c o n o m i c s i t u a t i o n s ( i n c o m e , w e a l t h ),
householdc o m p o s i t i o n s ( a g e , gender,thenumbero f males/females,t h e numbero f children,h o u s e h o l d s i z e ),communityc h a r a c t e r i s t i c s ( r e g i o n ,
r u r a l /
u r b a n )andtypeo f d i s e a s e s I n V i e t n a m , therea r e f e w s t u d i e s t h a t r e
s e a r c h onh e a l t h careexpenditure.T r i v e d i (2002)hasstudiedthemajorf e a t u r
e s ofhealthcareutilizationpatternsinVietnam.Thestudyfocusedon“thedeterminantsoflargelyself-
prescribed,theuseofpharmaceuticald r u g s , governmenthospitals,commune healthcenters,a n d p r i v a t e h e a l t h f a c i l i t i e s ” H e a l t h i n s u r a n c e a n d h o u s e h o l
d i n c o m e a r e considereda s the i m p o r t a n t f a c t o r s t h a t e f f e c t o n health c a r e
e x p e n d i t u r e B e s i d e , seekingbehaviorofhouseholdstochoicehealthcareprovidertypesisalsoanalyzedinthestudy.By
usingregressionmethod,theeconometricmodelsanalyzehealthcareexpenditureinbothindividuala n d householdl e v e l Inanotherstudyonhealthcare expenditureinVietnam,CCSE—WHOgroupandMinistryof
Healthgroup(2006)pointedo u t manyf a c t o r s thathadim pac t oncatastrophic h
Trang 16ea lt hca re e x p e n d i t u r e i n Vietnam Thesefactorsconsist:“householdlivingstandardstatus,householdincome;
Class13
Trang 17educationlevelofhouseholdhead,ethnicstatus,numberofinpatientvisits,numberof
o u t p a t i e n t v i s i t s , n u m b e r ofo v e r c o u n t e r v i s i t s f o r s e l f
-t r e a -t m e n -t , n u m b e r ofchildren,numberoffer-tilefemaleandnumberofelderlypersonsin household,etc”.Andtherolessocialinsuranceandtargetsubsidiestothepoorinreducingtherateofhouseholdcatastrophichealthexpenditurearealsoprovedintheresearch
However,whilem a n y decisionsa r e h o u s e h o l d decisions,
i o n isthemaindatasourceusedforregressionthemodel.Besides,thedatafromtheMinistryofHealthreportsisalsousedfordescriptiveanalysisinthispaper
1.2Objectiveso f thestudy
Theaimofthispaperistoinvestigatethefactorsthatmayhaveinfluenceon household
healthcareexpenditureinVietnam.Morespecifically,thisstudyattempttoexplorethefollowquestions:
Trang 1814/79
Class13
Trang 19- Whichfactorsdeterminehouseholds’healthcareexpenditureinVietnam?
- Whatextentsignificantdeterminants impactonhealthcareexpenditure?
- Isthereadifferencebetweenthehealthcareexpenditurepatternsofpoorhouseholdsandthose ofbetter-offhouseholds?
Knowingtheanswerstothesequestionsisveryimportant forpolicym ake rs, thesec a n h e l p t h e m i n m a k i n g i n f o r m e d d e c i s i o n s r e g a r d i n g p o l i c i e
s i n t e n d e d t o improves o c i a l welfare F o r e x a m p l e , f o r thehouseholds t h a
t t h e y a r e l a c k o f t h e abilitytospendmoreforhealthcare,thegovernmentshould provideonlyverybasichealthcareatlowprice.However,forthehouseholds
thattheyhavetheabilityandthewillingnesstospendmoreonhealthcarea n d theyreadypayfor goodquality healthcare,thenthegovernmentc a n expandmoreoptions.Byofferingawidervarietyo f healthservices,thegovernment
Trang 20-Whatt h e G o v e r n m e n t shouldd o tor ed uce
financialb u r d e n o f healthcareexpenditure forthepoor?Theresultsofthisresearchmayhelp
theplannersgiveaneffectivehealthcarepolicythatreducetheburdenofhealthcareexpenditureforhouseholds,especiallyforthepoor
D et e r m in a nt s o f householdh e a l t h c a r e i n Vietnam,byusingthedescriptivemethodandregressingtheeconometricmodel,itanalysesoverviewhouseholds’healthcareexpenditureandexaminesdeterminantsofhouseholds’healthcareexpenditureinVietnam;Andfinal,ChapterV—
ConclusionandRecommendations,thischapters u m m a r i z e s allanalysis
andfindingsinpreviouschaptersandgivessomepolicyrecommendations
Trang 21Appelbaum(1999)saidthat:“healthcaremeansanycare,treatment,orprocedurebyahealthcareprovider:
Trang 22- Anymedical,surgical,obstetricalordentaltreatment,and
- Anythingdonethatisancillarytoanyprocedure,t r e a t m e n t , ex a m i n a t i o n ordiagnosis”
Trang 24Insomestudies,theauthorsmentionedaboutaccessfactorsthatmayinfluencetoutilizationofhealthcare.I n reality,thelargestdeterminantofseekingcaremaybetheexpectedaccesscostandtheindividualoftentakethe
firstcontactwiththesystemhealthcare.L e 5 Grand(1982)arguesthataccesscostincludesbothm o n e t a r y c o s t s andtimecosts,itconsistssomefactorssuchasoutofpocketpayments, d i s t a n c e tohealthfacilities,waitingtimeatthefacilityetc,i.e.Morespe
fortravelingtothehealthfacilities,whiletimecostsi nc lu de t i m e toreacht h e f a c i l i t y ,
w a i t i n g t i m e a t thef a c i l i t y a n d timetogetadvicefromthehealthconsultants.Accesscostsareusuallyanimportantdeterminantofhealthcareutilization,especiallyitismoremeaninginanalyzingthedifferencesinhealthcareutilizationacrossdifferentsocialgroupsindevelopingcountries(GentlerandvanderGaag,1990)
Jacobson( 2 0 0 0 ) arguesthattheindividuald o e s notproduces“ g o o d he al
t h”, “goodhealth”is producedbythef a m i l y T h e r e f o r e , theGrossman’smodel
isextendedintoanewmodel withtheproducero f healthi s thefamily.Withthenewmodel,J a c o b s o n ( 2 0 0 0 ) c o n c l u d e d t h a t t h e p r o d u c t i o n o f healthn o t o n l
y u s e t h e
individuals’ownincomebutalsot h e family’scombinedresources.Thefamilyallocatethei nv est men ts i n healthc a p i t a l a n d i t willn o t t r y t o distribute t h e eq u a l healthc a p i t a l t o e a c h m e m b e r o f t h e f a m i l y T h e r e f o r e , i t l e a d s t o t h e
m a r g i n a l
Trang 25childrenandthehouseholdwithchildren.Thehouseholdwithchildrenw i l l allocatea l a r g
e r
s h a r e o f t h e b u d g e t t o foodt h a n householdsw i t h o u t c h i l d r e n A naturalp
a r a l l e l t o householdh e a l t h e x p e n d i t u r e , i t wouldbethathouseholdswithchildrenallocatealargershare
a x i m i z e a householdl e v e l welfaref un ct io n” andtherefore,theutilityfunctionisajointu t i l i t y function.A l l a v a i l a b l e r e s o u r c e s o f thehousehold a r e pooleda n d
9 9 0 , Boline t al,1999).Moreover,t he re aresomeothermodelshavebeens u g g es t
e d , Behrmane t al(1982;1986)s u g g e s t t h a t m o d e l i n g i n t r a h o u s e h o l d allocationsshoulda s s u m e a specificstructureforparentalpreferences,whileothersproposethat aParetoefficient
Trang 26Class13
Trang 27outcomes h o u l d beused( C h i a p p o r i , 1 9 8 8 ; Kooreman,
1990).WhiletheBeckerianmodelpoolallresources,theseabovemodelallowthedifferencesbetweenhouseholdmembersi n preferences,r e s o u r c e s are allocatedtowardsgoo
ds thatdifferenthouseholdmembersdesire
ThenextmodelthatwereviewhereisoneofthesimplestmodelsofhouseholdconsumptionofSamuelson(1956).Itassumedthat“thehouseholdi n c o m e alwaysisdividedinpre-specifiedp ro po rt io ns betweenhousehold me mbe rs” Eachhouseholdmembermaximizesutility s u b j ec t tothegivenbudgetconstraint bychoosingherorhisownconsumptionb u n d l e Ap pl yi ng t h i s forheathcareexpenditure,we see that
eachh o u s e h o l d m e m b e r w o u l d t r y t o g e t h e r o r h i s o w n u t i l i t y o f h e a l
t h c a r e consumptiona n d n o t t h e b e n e f i t s f o r t h e h o u s e h o l d asa u n i t T h e
r e f o r e , f o r t h e householdt h a t d o n o t h a v e c o m m o n p r e f e r e n c e s , B a r g a i
n i n g m o d e l s f r o m cooperativegametheorymaybethebestchoiceinthissituation.Lundberg
andPollak(1996)haduseNashbargainingmodelsfortheirresearch.However,theexperiencesindicatethatthesemodelsareonlysuitableinatwo-personhousehold
Mores p e c i f i c a l l y , a l m o s t themodelsa b o v e mentions o m e mainf a c t
Trang 28multiplesickmembersfac e decidingwhototreatthroughinpatientcareandwhototreatthroughothermethods.Thethreealternative-
specificvar ia bl eseac h reflectthecostsa n d b e n e f i t s a s s o c i a t e d w i t h t r e a
t m e n t a t e a c h t y p e o f f a c i l i t y ; p r e s u m a b l y , lowerm i n i m u m spendingt h r
e s h o l d s , higherm a x i m u m benefitlevels,a n d l o w e r averagecostsoftreatmentincreasetheattractivenessofeachhospitaltype.Moreover,someo th er f a c t o r thatl i k e l y i n f
l u e n c e b o t h t h e d e c i s i o n t o s e e k c a r e a n d hospitalchoicesuchasage,sex, disabilities,a n d emigration s t a t u s For e x a m p l e , w h e n g e t sick,womenaremorelikelytoseekcareforsicknessthanmenintheU.S.andChinarespectively( G a o andYao2006).Similarly, Reinhardt( 2 0 0 0 ) revealsthatagehavepositiveimpactonboththequantityofhealthcareexpenditureandtotalspending.Thedisabledaremorelikelytoseekhealthcarethanpeoplewithoutphysicall i m i t a t i o n s (Sommers2 0 0 6 -
2 0 0 7 ) B y c o n t r a s t , people w h o e m i g r a t e have b e t t e r s e l f
-r e p o -r t e d healthstatusandlowe-rincidenceofillness(Heskethetal.2008),suggestingthattheymayhavedifferentpreferencesforhealthcarethannon-migrants
2.2.3Communitycharacteristicsa n d householdhe a lt h c ar e e x p e n d i t u r e -
Final,we m e n t i o n a b o u t s o m e l i t e r a t u r e s o f c o m m u n i t y c h a r a c t e
r i s t i c s a n d householdh e a l t h c a r e e x p e n d i t u r e O b v i o u s l y , e a c h r e
g i o n h a s d i s t i n c t f e a t u r e s o f geography,d e m o g r a p h y , a n d c u s t o m s o tha
tt h e h o u s e h o l d h e a l t h c a r e e x p e n d i t u r e livingindifferentregionsalsoaredifferent.Placeofresidence,forexample,whetheronelivesinaruraloranurbanarea,mayindicategeographicproximitytoasourceof
Trang 29Class13
Trang 30
Inshort,consumptionbehaviordependsondemographicandsocio-economicstatuses.Fromtheabovediscussionoftheories,weseethathealthcareutilizationmaybea f f e c t e d n o t o n l y b y t h e h o u s e h o l d composition(sucha s h o u s e h o l dsize,t h e numberofadultfemales,males,thenumberoffertilewomenandchildren
withinthehousehold)butalsoi n d i v i d u a l characteristicsofh o u s e h o l d members,householdhead’scharacteristic.S o m e importantdeterminantsofhealthcareutilizationrelating tothehouseholdhead’scharacteristicsareEducationlevelofhouseholdhead,sexofhouseholdhead,ageofhousehold(Himanshu,2006).Besides,regionswithdifferentsocio-
economicc o n d i t i o n s a l s o havei m p a c t o n householdh e a l t h c a r e e x p e n d i t
u r e (Margheritaa n d Theodore,2002;Hanguyen,PeterandUlla,2002) Moreover,t h e residentplaceofhousehold(rural/
urban)isanimportantfactorthatmayhaveimpactonhouseholdhealthcareexpenditure(Woottipong,2001)
2.3 AnOverviewo f theEmpiricalstudiesrelatestohousehold
healthcareexpenditure:
Therea r e n o t m a n y e m p i r i c a l s t u d i e s m e n t i o n s a b o u t d e t e r m i n a
n t s o f householdhealthcareexpenditureindevelopingcountriesaswellasinVietnam.Wecanlistheresomemainempiricalstudies:
Firstly,Himanshu ( 2 0 0 6 , 2007)studiedthedeterminants o f household
healthcareexpenditureinTribalandUrbanOrissa(India)withthreeworkingpapers
Twooftheseworkingpapersexploredtheinfluenceofhouseholdincomeandhouseholdhead’seducationonhouseholdhealthcareexpenditureinTribalandUrbanOrissa.Theregressiona n a l y s i s anddescriptive s t a t i s t i c s i s usedt o substantiateth e
Class 13
Trang 31Class 13
objective.Threevariablesareusedi nthemodel,i n c l u d i n g : household h e a l t h expenditure,householdi nc ome andeducationofthehouseholdhead;andthemodelthattheauthorusedinbothstudiesisalinearregressionmodel:PHE
§EDN
While:
Themodeluseperheadhealthexpenditure(PHE)torepresentthehouseholdhealthexpenditure,itiscalculatedbydividingtotalannualhealthexpenditureofthehouseholdbythehousehold size
Similarly,p e r h e a d incomeo f t h e h o u s e h o l d (PHI)i s u s e d forh o u s e h
incomehasthemostinfluenceonhealthcareexpenditure andithastheleastinfluenceinTribalarea.Thereasonisbecauseof
thelowerperheadincomeofthehouseholdi n Tribalandruralareathaninurbanarea
Trang 32However,theinfluenceofeducationonhealthcareexpendituregives aninterestingfinding:“healthcareexpenditureinTribalareaisdoublethatofruralandurbanareas.Itmeansthataneducatedpersononanaveragespendssixpaisemoreinarupeethantheuneducatedp e r s o n o n healthexpenditureintribalareawhereasaneducatedpersoninbothruralandurbanareas,onanaveragespendsonlythreepaisemorei n arupeet h a n the un
ed uca te d p e r s o n ” T h e relativev a l u e s o f educationf o r Trialpeoplearemorethanthepeople ofruralandurbanareascausethisresults
Intheremainingworkingpaper,Himanshu(2006)mentionsabouttheimpact
UrbanOrissa.Byusingthesamemethodologyinthetwostudiesabove,thelinearregressionmodelwassuggestedas:PHE=§+ §P M H E +§P F H E
While:
PHEisperCapitaHealthExpenditure,itiscalculatedby“dividingtotalannualhealthexpenditureofthehousehold bythehouseholdsize”
PMHEispermalehealthexpenditure,itiscalculatedby“dividingtotalannualmaleh e
a l t hc a r e e x p e n d i t u r e o f theh o u s e h o l d b y n u m b e r o f malem e m b e r s o f thehousehold”
PFHEi s p e r f e m a l e h e a l t h e x p e n d i t u r e , it i s c a l c u l a t e d b y “ d i v i
d i n g t o t a lannualfemalehealthcareexpenditureofthehouseholdbynumberoffemalemembersofthehousehold”
Afterr u n n i n g regression,thea u t h o r h a s concludedt h a t “ b i o l o g i c a
l l y of-
determinedsexandsociallyconstructedgenderhavestrongbearingonthehouseholdout-pocketh e a l t h e x p e n d i t u r e T h e studys h o w s t h a t there i s asignificant differe ncebetweenmaleandfemaleo u t - o f -
p o c k e t
healthexpenditureinurbanarea”.However,out-of-pockethealthexpenditureoffemaleslivinginurbanishigherthan
Trang 33pockethealthexpenditureishigherthanthefemale
ThenextisthestudyofP r a v i n K.Trivedi(2002)thatmentionedab o u t the
householdhealthcareexpendituresinVietnam.Healthcareexpenditureisonlyapartofthisstudy.TheauthorusedVHLSS1 9 9 7 -
1 9 9 8 toanalyzehealthcareexpenditureinbothindividualandhouseholdlevel
sizeforstudyinginindividuallevelis8081.Aregressionanalysisofmedicalexpenditureisusedinthestudywiththefollowingvariables:
Thedependentvariableis logofhealthcareexpendituref o r eachmemberoftheh o u s e h o l d w i t h t h e c o n d i t i o n t h e h e a l t h c a r e e x p e n d i t u r e f o r thati n d
i v i d u a l i s positive.T h e h e a l t h c a r e e x p e n d i t u r e h e r e i n c l u d e d a l l t y p e s o fhealthc a r e expenditureinthe4weekperiodprecedingthesurvey
Theindependentva r i a b l e s a r e usedi n thestu dy includes:householdi n
c o m e andhealthinsuranceare themainindependentvariablesbecauseth is analysisfocusontheimpactofhouseholdincomeandhealthinsuranceonhealthcareexpenditure
Theauthora l s o c o n t r o l l e d s o m e othervariablesi n themo de l s u c h as thea g e, the
Trang 35Toanalyzethehealthcareexpenditureinthehouseholdl e v e l , thesamplesizeuse
df o r analysis i s 5 0 0 6 T he s t u d y a n a l y z e t h e a g g r e g a t e h e a l t h c a r e c o s t s o fallhouseholdsmemberisausefulcheckontheresultsoftheindividualdataanalysis.Bythisway,italsohelptoestimatetheEnglecurveforhealthc a r e expenditures.T h i s approachi s limitedbecauset h e healths t a t u s ofthehouseholdm e m b e r s a r e unablecontrolled.Themodelregressionalsocontrolledsomeofotherrelevantvariablessuchashouseholdsize,gender,age,householdheads’educationlevelsandlocation
(urbanorrural).Thelinearregressionmodelwasalsousedforthehouseholdlevelanalysisandtheresultshowsthat:
Agea n d s e x o f t h e h o u s e h o l d headh a v e s i g n i f i c a n t impacto n h o u
s e h o l d healthcaree x p e n d i t u r e O n a v e r a g e , t h e ho use ho lds w i t h a f e m a l e
h o u s e h o l d h e a d paidmoreforhealthcarethanoneswithamalehouseholdheadandhouseholdswitholderheadsalsospendmoreforhealthcare.However,
Trang 36Wec o n t i n u e w i t h t h e s t u d y o f C a t h a r i n a H j o r t s b e r g (2 0 0 0 ) , t h i s p a p e r analyzesthedeterminantsoftotalhealthcareexpenditureofahouseholdandexpla
economicgroupsin
Trang 37Class13
Trang 38Accessv a r i a b l e s
-D i s t a n c e ( -D i s t a n c e t o thene arest h e a l t h c a r e f a c i l i t y i n km);Vehicle( I f
t h e h o u s e h o l d o w n i t s o w n v e h i c l e o r n o t ) ; L o c a t i o n (Indicatesi f t h e householdislocatedinaruralarea)
Inthispaper,theresearcheru s e d regressionm e t h o d s t o estimatehealthc
e s u g g e s t e d i n t h e m o d e l h a v e significantimpactonhouseholdhealthcareexpenditure
Thee s t i m a t e r e s u l t s i n d i c a t e s t h a t t h e h o u s e h o l d s ’ e c o n o m i c c i r
c u m s t a n c e s andaccess to health c a r e f a c i l i t i e s h a v e d i r e c t l y i m p a c t o n h
e a l t h e x p e n d i t u r e s b y Zambianhouseholds.Zambianhouseholds’healthcareexpenditureareinfluencedbytotalmonthlyexpenditureand monthlyexpenditures o
n otherthanfood.Householdsizean d t h e w e a l t h o f theh o u s e h o l d c a n d i r e c t l y r e l a t e t o b o t h o f thesev a
r i a b l e However,whenc o n s i de r i n g thedifferenceamongthreepovertyg r o u p s, it becomesmoreclearthatpoorhouseholdsormoderatelypoorhouseholdsaremoresens
tothelevelofexpenditureonotherthanfoodthannon-poorhouseholds.Ownershipofhouseisadummyvariableandisalsoaproxyo f economiccircumstances.Andtheresulti n d i c a t e s thath ous e h ol ds w h o a c tua lly
o w n theiro w n h o u s e s p e n d moreo n healthcarethanhouseholdsnotowningtheirownhouse
Trang 3913
Trang 40o ut a vehicle.M o r e o v e r , t h e h o u s e h o l d
’
healthcareexpenditurelevelisalsoaffectedbythedistancetothenearesthealthcarefacility.However,theresultshowt h a t distancedoesnotaffectonhealthcareexpenditureofnon-
poorhouseholds.Withtherespecttothehouseholdl o c a t i o n , theregressionresultpresentthatthelevelofruralhouseholdhealthcareexpendituresislowerthanurbanhouseholds I t takeslongertoreachahealthfacility i n rurala reas thanitdoesinu r b a
n areasw i t h giventhesamedistance.Thelessdevelopedinfrastructureinruralareasmaybethereasonofthis
Lastly,householdhealthcaree x p e n d i t u r e levelisa l s o i n f l u e n c e d bythedemographiccharacteristicsofthehousehold.Householdsizeisasignificantvariablethat
i m p a c t ont o t a l h e a l t h caree x p e n d i t u r e s , householdhavelargern u m b e
r ofmemberstendtospendmoreonhealthcare.Otherwise,householdhead’sageisalsoanimportantdeterminantofhouseholdhealthcareexpenditure
Final,MaathaiK.Mathiyazhagan,(2003)alsoanalyzed therelationship
betweenRuralHouseholdCharacteristicsandHealthexpenditureinIndia
Int h i s p a p e r , t h e a u t h o r a l s o u s e d literatureofh e a l t h careu t i l i z a
t i o n forstudyinghouseholdhealthcareexpenditure.Baseonthehouseholdeconomicstheory,itisassumedthat“householdsgetutilityor satisfactionfr om consuminggoodsandservices”,andtodesireforconsumption“householdmembersmustproducemanyofthecommodities”.Andthepaperalsoassumesthat“the utilizationofhealthservices