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Measuring the impacts of prime-age adult death on rural households in Kenya

Takashi Yamano1 and T. S. Jayne2

Tegemeo Working Paper 5

Contact: egerton@tegemeo.org

October, 2002

Tegemeo Institute of Agricultural Policy and Development

Posted with permission of the authors
[Complete version - 110Kb ~ 1 min (39 pages)]     [ Share with a friend  ]

Abstract

Using a two-year panel of 1,422 Kenyan households surveyed in 1997 and 2000, we measure how primeage adult mortality affects rural households’ size and composition, agricultural production, asset levels, and off-farm income. First, the paper uses adult mortality rates from available data on an HIV-negative sample from neighboring Tanzania to predict the number of deaths that might have been expected in the absence of HIV, and compares this to the number of deaths actually recorded over the survey interval in the Kenyan sample. Based on this procedure, only a quarter of the prime-age female deaths in the 25-34 age range and about half of the male deaths in the 35-44 year age range age range could have been predicted on the basis of the HIV-negative Tanzanian adult mortality rates. In the Nyanza area, the discrepancies were even larger over a broader number of age/sex ranges. This provides a strong indication that AIDS accounts for a large proportion of the recorded deaths for these age/sex categories, particularly in the Nyanza area.

Next, using a household fixed-effects model that controls for time-varying effects, we measure changes in outcomes between households afflicted by adult mortality vs. those not afflicted over the three-year survey period. The effects of adult death are highly sensitive to the gender and position of the deceased family member in the household. Households suffering the death of the head -of-household or spouse incurred a greater-than-one person loss in household size. The death of a male household head between 16 and 59 years is associated with a 68% reduction in the net value of the household’s crop production. However, these results are sensitive to age ranges chosen. Female head-of-household or spouse mortality causes a greater decline in cereal area cultivated, while cash crops such as coffee, tea, and sugar are most adversely affected in households incurring the death of a prime-age male head. Off-farm income is also significantly affected by the death of the male head of household, but not in the case of other adult members. The death of other prime-age family members is partially offset by an inflow of other individuals into the family. Other prime-age family members’ mortality has less dramatic effects on the households’ agricultural production, assets, and off-farm income. Lastly, there is little indication that households are able to recover quickly from the effects of prime-age head-of-household adult mortality; the effects on crop and non-farm incomes do not decay at least over the three-year survey interval. The paper concludes by discussing the implications of these findings for agricultural research and extension programs as well as for safety net programs designed to cushion the impacts of prime-age adult death.

Acknowledgments: Support for this research has been provided by the Kenya Mission of the United States Agency for International Development under the Tegemeo Agricultural Monitoring and Policy Analysis Project. Support was also provided by the Food Security II Cooperative Agreement (PCE-A-00- 97-00044-00) between AID/Global Bureau, Office of Agriculture and Food Security, and the Department of Agricultural Economics at Michigan State University. The Agriculture, Natural Resources and Rural Enterprise Division, Office of Sustainable Development, Bureau for Africa, USAID (AFR/SD/ANRE) also supported this work. The authors thank Melody McNeil, Kathleen Beegle, Gretchen Birbeck, Amy Damon, Yoko Kijima, Mattias Lundberg, Kaoru Nabeshima, Jennifer Olson, Keijiro Otsuka, James Shaffer, John Strauss, Michael Weber, and Kim Witte for comments on an earlier draft of the paper.


Footnotes:
  1. Yamano is Research Fellow, Graduate Research Institute for Policy Studies, Tokyo.
  2. Jayne is Professor, International Development, Department of Agricultural Economics, Michigan State University, East Lansing. E-mail: jayne@msu.edu


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