Measuring Social, Health and Economic Impacts of Disasters: Experiences from 9 MICRODIS sites, Vietnam

Measuring Social, Health and Economic Impacts of Disasters: Experiences from 9 MICRODIS sites EXPERIENCES FROM VIETNAM Tran Huu Tuan; Hue University, Vietnam [email_address] 3 rd IDRC CONFERENCE 30 MAY - 3 JUNE 2010; DAVOS, SWITZERLAND

Background ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Health impacts ,[object Object],[object Object],[object Object]

Figure 2: Types of injuries due to floods 2007 Health impacts (cont.) ,[object Object]

Figure 3: Reasons to injuries between flooded & less-flooded villages Health impacts (cont.) ,[object Object]

Figure 4: 2007 floods and local food security Social impacts ,[object Object]

Figure 5: Sources of support for local communities to recover from flood impacts Social impacts (cont.) ,[object Object]

Assessing physical damages to floods The poor have significantly less absolute damage but they are more vulnerable. Examining the relationship between flood damage, flood damage as share of household income and income distribution Economic impacts 0.000 14.06 (19.73) 27.62 (26.48) Average flood damage as share of household income; % (std. dev.) 0.093 5,090,586 (9,007,653) 3,689,750 (5,223,597) Household damage due to 2007 floods; mean (VND); (std. dev.) Sig. Above poverty line Below Poverty line Types of huseholds

[object Object],[object Object],Investigating the relationship between flood damage and household’s income dependence on natural resources Economic impacts (cont.) 0.007 3,320,856 (6,144,137) 5,050,280 (9,608,627) Household damage due to 2007 floods; mean (VND);(sd) Sig. Not fully NR dependence income Fully NR dependence income Household’s income dependence on NRs

[object Object],[object Object],Exploring the relationhip between flood damage and flood risk exposure Economic impacts (cont.) 0.184 3,178,494 (7,030,011) 4,044,172 (7,825,832) Household damage due to 2007 floods; mean (VND); (std. dev.) Sig. Less-flooded villages Flooded villages Type of villages

Relationship btw acted upon early warning message and flood damage Economic impacts (cont.) ,[object Object],[object Object],F = 1,565; Sig. = 0,212 4.389.551 Total 1.606.923 No, did not act upon early warning message 4.469.055 Yes, acted upon early warning message Total damage due to floods 2007 (VND) Did you act upon early warning message?

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[object Object],[object Object],[object Object],[object Object],Determinants of WTC -1408.7968 Log likelihood 0.0013 Prob > chi2 .7252901*** 0.74 If household located in flooded villages (flooded =1, less flooded =0) Flood exposured .0084333 3.82 Total damage due to flood (million VND) Flood damage .6776564*** 2.72 Availability of labour (labours) Labour availability .5714322 0.96 If households acted upon warming message (yes = 1, 0 otherwise) Flood protection .4118738** 0.74 No. of floods that household experienced (no. of floods) Floode experience .0606846*** 19.14 Total household income per year (million VND) Income .1357486 2.98 Level of education (from 1= not completed any school to 8 = graduated from university) Education -.0261874 51.34 Age of respondent (years) Age -.3732771 0.75 Gender of respondent (male = 1; female = 0) Gender 3.792849* - Constant 7.68 Willingess to contribute (WTC) labour (person-days) WTC Tobit regression Mean values Description of variables Variables

Measuring Social, Health and Economic Impacts of Disasters: Experiences from 9 MICRODIS sites, Vietnam

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Measuring Social, Health and Economic Impacts of Disasters: Experiences from 9 MICRODIS sites, Vietnam