Preparing a meal in some of the world’s poorest rural areas can turn an ordinary activity into a deadly chore. Animal dung and crop scraps often fuel the indoor fires used for cooking. And before any food fills a hungry belly, thick black smoke fills a family’s lungs.

Pneumonia and other acute respiratory infections kill about 1 million people a year in low-income countries, making them the top cause of death in the developing world and the greatest threat to children’s lives. Makeshift stoves belch much of the polluted air leading to those illnesses. About 75 percent of South Asians and nearly half the world’s population use open-fire stoves inside their homes.

“The smoke is asphyxiating,” said Grant Miller, an associate professor of medicine at Stanford working on ways to get people to buy – and use – cleaner, safer stoves. “It burns your eyes and you can’t stop coughing.”

Governments and humanitarian organizations have urged people to trade their traditional stoves for safer models, many of which have chimneys that funnel smoke out of a home. But the switch from dangerous stoves has been slow to come, even though most people using them know they’re harmful.

Miller and his colleagues are studying what’s behind the reluctance and what can be done about it. They suspect much of the problem rests with the widespread approach to clean cookstove conversion, which focuses on educating people about the appliances’ health hazards and offering new models at a low cost.

Their most recent findings, published in the Proceedings of the National Academy of Sciences, boil down to this: Clean and modern cookstoves don’t have features people want. And until they’re redesigned, people are unlikely to bother with them.

“People don’t think of cookstoves as health technologies,” said Miller, an associate professor of medicine and a Stanford Health Policy faculty member at the university’s Freeman Spogli Institute for International Studies. Miller is the senior author of the PNAS paper, which published online June 11.

“They don’t think respiratory illness is the biggest health problem that they have,” he said. “And when you ask them what they want from a stove, they talk about saving time and having better fuel efficiency. They’re not talking about smoke emissions.”

In the first of two studies, Miller – joined by Yale researchers and Lynn Hildemann, a Stanford engineering professor affiliated with the Stanford Woods Institute for the Environment – surveyed about 2,500 women who cook for their families in rural Bangladesh. 

Nearly all of the women use traditional stoves, and 94 percent of them said they know the smoke from their stoves can make them sick. But 76 percent said the smoke is less harmful than polluted water, and 66 percent said it wasn’t as dangerous as rotten food.

“People know their cookstoves are bad, but they don’t think cookstoves are the most important problem they face,” Miller said. “They’d rather spend their money fixing those things and getting their kids into a good school than buying a new cookstove.”

When asked what features are most important in a stove, the women talked about things that could save fuel costs, cooking time and the hassle that goes into collecting fuel.

“A very small percent said reducing pollution was important,” Miller said.

The researchers then tried to assess more directly how Bangladeshis value new stoves. They offered 2,200 customers across 42 rural villages the opportunity to buy one of two models – one boasted improved fuel efficiency; the other had a chimney to reduce exposure to indoor smoke.

At the market prices of $5.80 for an efficient stove and $10.90 for the chimney stove, less than a third of customers ordered either model. And when the stoves were delivered a few weeks after the orders were taken, a very small number of families actually went through with the purchase of either model.  Large randomized discounts increased customer interest in fuel-efficient stoves, but did little to raise purchase rates of chimney stoves.

“A big implication is that the health education and social marketing approaches aren’t going to work,” Miller said. “You need to get inside the heads of the users and figure out what they really want and value – even if unrelated to smoke and health – and then give it to them.”

The lead author of the PNAS paper was Ahmed Mushfiq Mobarak, an economist at Yale. It was co-authored by Yale researchers Puneet Dwivedi and Robert Bailis. Their work was supported by the Freeman Spogli Institute’s Walter H. Shorenstein Asia-Pacific Research Center, Stanford’s Woods Institute for the Environment, and the International Growth Centre.

May 31 was the WHO World No Tobacco Day. The Pioneers for Health Consultancy Center, a China-based non-governmental organization with close collaborative ties to AHPP's Matthew Kohrman, recently conducted an extensive study of stores in Kunming, a city in the heart of China’s tobacco-growing region, that sell cigarettes to teenagers.

The Asia Health Policy Program (AHPP) at Stanford’s Shorenstein Asia-Pacific Research Center (Shorenstein APARC) looks forward to welcoming its incoming 2012–13 research fellows from Mongolian Medical University, the University of Hawai’i, and Harvard. AHPP’s new fellows specialize in research topics including cervical cancer prevention, migrant remittances, and the political economy of support for the elderly.
 

Developing Asia Health Policy Fellows

Baigalimaa Gendendarjaa will be joining AHPP from the Mongolian National Cancer Center. Her research includes a comparative study of how knowledge of cervical cancer risk factors has influenced behavior changes in Mongolia before and after the introduction of the National Cervical Cancer Program. She holds a master’s degree in medicine from Mongolian Medical University.

 

 

Marjorie Pajaron took part for five years in the National Transfer Accounts project based in Honolulu. Her research focuses on the role of migrant remittances as a risk-coping mechanism, as well as the importance of bargaining power in the intra-household allocation of remittances in the Philippines. Pajaron received a PhD in economics from the University of Hawai’i at Mānoa.

 

 

 

Asia Health Policy Postdoctoral Fellow 

Yuki Takagi earned her PhD in government from Harvard University and is completing a postdoctoral fellowship at Princeton. Her dissertation research focuses on the political economy of support for the elderly and intergenerational family transfers, such as nursing and childcare, focusing on Japan. Takagi holds bachelor of economics and master of law degrees from the University of Tokyo.

 

 

Throughout the academic year the AHPP fellows will present seminars, take part in individual and collaborative research projects, and participate in campus events.

The government’s far-reaching health care foreign aid program has contributed to a significant decline in adult death rates in Africa, according to a new study by Stanford researchers. 

Between 2004 and 2008, the U.S. President’s Emergency Plan for AIDS Relief was associated with a reduction in the odds of death of nearly 20 percent in the countries where it operated. The researchers found that more than 740,000 lives were saved during this period in nine countries targeted by the program, known by its acronym, PEPFAR.

“We were surprised and impressed to find these mortality reductions,” said Eran Bendavid, an affiliate at Stanford Health Policy, part of the university’s Freeman Spogli Institute for International Studies.

“While many assume that foreign aid works, most evaluations of aid suggest it does not work or even causes harm,” said Bendavid, an assistant professor of medicine at Stanford’s School of Medicine. “Despite all the challenges to making aid work and to implementing HIV treatment in Africa, the benefits of PEPFAR were large and measurable across many African countries.”



The study is the first to show a decline in all causes of death related to the program. It appears in the May 16 issue of the Journal of the American Medical Association.

Bendavid is the lead author of the study. It was co-authored by Grant Miller and Jay Bhattacharya, who are both core faculty members of Stanford Health Policy and associate professors of medicine. The study was funded by the National Institutes of Health and the Dr. George Rosenkranz Prize for Health Care Research in Developing Countries.

PEPFAR began in 2003 under the Bush administration with a five-year, $15 billion investment in fighting AIDS around the world and a focus on treatment and prevention in 15 countries. It was reauthorized by Congress in 2008 and has expanded its reach to 31 countries.

To measure the impact of the program, Bendavid and his colleagues analyzed health and survival information for more than 1.5 million adults in 27 African countries, including nine countries where PEPFAR has focused its efforts. The researchers examined data available in the Demographic and Health Surveys, a USAID-funded project that involves a representative sampling of in-person interviews among women in which they discuss their health and the health of their family members. These surveys form the foundation of many health measurements in developing countries.

They found the odds of death from any cause among adults were 16 to 20 percent lower in the PEPFAR-targeted countries.

To bolster the results, the scientists did a separate analysis using specific data on PEPFAR programs in Rwanda and Tanzania. They compared regions of the two countries where PEPFAR’s investments led to widespread increases in the number and size of sites providing antiretroviral therapy, with areas where PEPFAR had fewer services available.



“We observed a similar reduction in mortality when exploring PEPFAR’s effects using a different lens,” Bendavid said.

In Tanzania, the odds of death were found to be 17 percent lower and in Rwanda 25 percent lower in the districts with greater support from PEPFAR.

Bendavid speculates that the program’s commitment to building an infrastructure that includes drug distribution systems, clinics, pharmacies, laboratories and testing facilities has been an important factor for its success.

“The scale of PEPFAR’s investment was unprecedented,” Bendavid said. “People working in PEPFAR’s focus countries describe working supply chains, stocked pharmacies and staffed clinics.”



Although the program was targeted to address HIV, these services could have benefitted patients with a variety of other health concerns. For example, one study found that some uninfected, pregnant women in Ethiopia, Rwanda and Tanzania chose to deliver their babies in facilities supported by PEPFAR, Bendavid said.

Some have argued that focusing resources on a specific disease, such as AIDS, may detract efforts from other diseases and activities, undermining some of the benefits of such programs. But the latest study does not support this argument. Rather, it suggests that PEPFAR helped prevent additional deaths from causes other than HIV/AIDS.

“Whether disease-specific programs like PEPFAR have synergies with other health improvement efforts – or instead undermine them, as some have worried – is really an open question,” Miller said. “There are reasons to think either scenario is possible, and more research is needed. We don’t find much evidence of PEPFAR undercutting other initiatives. If anything, we see hints of synergies.”



Bendavid said the program managed to accomplish the reduction in mortality in the face of enormous challenges – from persuading people to go for HIV testing and treatment to dealing with problems of drug shortages and drug resistance.

Historically, few other large-scale health initiatives have succeeded to such an extent. Smallpox, which was eradicated by 1979, is among the rare and more notable examples.

“PEPFAR’s success with HIV … may be considered the clearest demonstration of aid’s effectiveness in recent years,” the researchers concluded.

In 2009, PEPFAR was folded into a new Global Health Initiative that calls for a broader agenda, with some resources redistributed to other programs, such as maternal and child health.

Its budget, which rose dramatically in the early years, has remained relatively flat or declined slightly since then. It peaked at $6.8 billion in fiscal year 2010, then declined to $6.7 billion and $6.6 billion in fiscal years 2011 and 2012, respectively, according to figures from the Kaiser Family Foundation. The Obama administration’s budget request for the 2013 fiscal year is $6.4 billion.

While the program appears to have had an impact within a few years of its implementation, Bendavid noted that reduced investments in fighting AIDS, both through PEPFAR and other international aid programs, could have implications for the future of the epidemic.

“We are transforming the face of the epidemic but funding shortfalls will change the road ahead,” he said.



Ruthann Richter is Director of Media Relations for the Stanford School of Medicine.

Retraction: In June 2012, Stanford researchers Rajaie Batniji and Eran Bendavid retracted the research findings explained in the following article. Their findings, presented in the essay, "Does development assistance for health really displace government health spending? Reassessing the evidence," contained errors in statistical model choice and reporting. The essay was published May 8, 2012, by the journal PLoS Medicine. The researchers erroneously concluded that there was no significant displacement of foreign aid. When they discovered their mistake, they informed editors at PLoS Medicine and moved to correct the record. The editors agreed with the need for the retraction and accepted the authors’ explanation of their error. The retraction can be read at www.plosmedicine.org/article/info%3Adoi%2F10.1371%2Fjournal.pmed.1001214.

When a 2010 study concluded that about half the money given to international governments for providing health care services isn’t used as intended, skeptics who argued that foreign aid is largely wasted were handed a powerful piece of data to bolster their claims.

But Stanford researchers Rajaie S. Batniji and Eran Bendavid say those findings are flawed. In an article featured in the May 8th edition of PLoS Medicine, Batniji and Bendavid say the two-year-old study by researchers at the University of Washington should not be used to guide decisions about how much money to give and who should get it.

“We can’t say that there’s absolutely no displacement of foreign aid, but these earlier findings are too tenuous for the basis of policy,” said Batniji, an affiliate of the Center on Democracy, Development, and the Rule of Law at the Freeman Spogli Institute for International Studies.

Batniji and Bendavid, an affiliate of FSI’s Stanford Health Policy and an assistant professor of medicine, are taking on the 2010 study – which appeared in the Lancet – at a critical time for foreign assistance programs.

The United States, which gives about half of all the world’s health aid, plans to chop its $10 billion budget by about 4 percent in the coming fiscal year. That’s the first cut in more than a decade. And officials have shown no signs of switching their preference of bypassing national governments as recipients of health aid, funneling more than half of U.S. support to non-governmental organizations instead.

Batniji and Bendavid decided to re-analyze the data used by the University of Washington researchers after meeting with policymakers who pointed to the study as a cautionary tale of foreign governments that waste and mismanage money earmarked for health programs.

“People were citing the Lancet piece, saying this was starting to shape how they thought about giving money,” said Batniji, who is also a resident physician at Stanford Medical Center. “But when we started asking questions about what the actual displacement looks like, the answers didn’t seem very compelling or reasonable.”

Taking a fresh look at the same numbers used for the 2010 study – public financing data culled from the World Health Organization and the International Monetary Fund – the researchers saw a different story emerge about the use of foreign aid in the health sector.

Once Batniji and Bendavid excluded conflicting and outlying data, such as huge discrepancies between WHO and IMF estimates and information about countries that were getting very small amounts of money from other countries, “there was no significant displacement of foreign aid,” Bendavid said.

The Stanford researchers’ findings are poised to influence a debate among policymakers and donors over whether it’s more efficient to give international assistance slated for health spending to government agencies or NGOs.

“We want to free donors of feeling that if they give money directly to governments, the money will be offset and used for an unintended purpose,” Batniji said. “The concern about displacement really amplifies the demands we make on governments for how they use the money. And that is at odds with a recent movement to let foreign governments set their own agendas for how to spend money.”

The research conducted by Batniji and Bendavid was supported by FSI’s Global Underdevelopment Action Fund and the Dr. George Rosenkranz Prize awarded to Bendavid in 2010.