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Effect of village income and household income on sanitation facilities, hygiene behaviours and child undernutrition during rapid economic growth in a rural cross border area, Yunnan, China
  1. Yang Cangjiang1,
  2. Rassamee Sangthong2,
  3. Virasakdi Chongsuvivatwong2,
  4. Edward McNeil2,
  5. Lu Lin1
  1. 1 Yunnan Provincial Center for Disease Control and Prevention, China;
  2. 2 Epidemiology Unit, Faculty of Medicine, Prince of Songkla University, Hat Yai, Songkhla 90110, Thailand
  1. E-mail: ycj99{at}


Background: The study aimed to examine the effects of village income and household income on child nutrition status through basic sanitation and hygiene behaviours.

Methods: A survey was conducted in a rural cross border area of Yunnan, China. Data on village income in 2002-2006 and household income in 2002-2007 were obtained from an official report and a household survey, respectively. Anthropometric measurement of the children aged 6 months to 5 years (n=1,801) was used to determine their nutrition status. Child caretakers were interviewed about household sanitation facilities and their hygiene behaviors using a structured questionnaire.

Results: Households with incomes below the national poverty line decreased from 22% in 2002 to less than 8% in 2007. The coverage of safe drinking water and water-sealed latrines gradually increased but was still inadequate. The prevalence of stunting and underweight of children were 37% and 17.5%, respectively. Village income had a greater positive effect than household income on exclusive breast feeding, drinking boiled water, handwashing with soap, as well as, reducing in prevalence of stunting. Village income at one lag year had the greatest effect on availability of basic sanitation than other lag years, while household income had small but significant effect through all lag years.

Conclusions: Rapid economic growth is not always followed by improved child nutrition status. Village income has greater effect than household income on sanitation facilities, hygiene behaviors of caretakers, and child nutrition status.

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