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Medical ecology of malaria and lifestyle change after the ethnic tension in the Northen Guadalcanal, Solomon Islands

Research Project

Project/Area Number 17406018
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section海外学術
Research Field Public health/Health science
Research InstitutionGunma University

Principal Investigator

NAKAZAWA Minato  Gunma University, Graduate School of Medicine, Associate Professor (40251227)

Co-Investigator(Kenkyū-buntansha) KAWABATA Masato  Kobe University, Faculty of Medicine, Professor (30175294)
OHMAE Hiroshi  National Institute of Infectious Diseases, 寄生動物部, Senior Researcher (90302405)
YAMAUCHI Taro  Hokkaido University, Faculty of Medicine, Associate Professor (70345049)
Project Period (FY) 2005 – 2007
Project Status Completed (Fiscal Year 2007)
Budget Amount *help
¥9,610,000 (Direct Cost: ¥8,800,000、Indirect Cost: ¥810,000)
Fiscal Year 2007: ¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
Fiscal Year 2006: ¥3,300,000 (Direct Cost: ¥3,300,000)
Fiscal Year 2005: ¥2,800,000 (Direct Cost: ¥2,800,000)
KeywordsSolomon Islands / Ethnic Tension / Modernization / Urinalysis / WHOQOL-BREF / Interview / Malaria / Re-modernization / 食事調査 / ソーシャル・キャピタル / PTSD
Research Abstract

During 1980's and 90's, the East Tasimboko area of the Solomon Islands experienced rapid population growth and Westernization including frequent visit to Honiara, the capital city. There were three nearby clinics, where people easily obtained chloroquine and some other medicines so that mortality was decreasing. However, around 2000, the ethnic tension occurred in Guadalcanal Island, in which people fought between the two islands, Guadalcanal and Malaita. The tension changed everything. About 66% people lost their housings in East Tasimboko. People lost the transportation to Honiara due to the destruction of bridges and paved roads. Clinics were also broken so that availability of medicine was largely damaged.
The present study aimed to clarify the effect of the ethnic tension on the health and life of the East Tasimboko residents. Mbambala area is made of 7 hamlets, which can be grouped into the two. In 4 hamlets, populations were naturally/socially increased, but in other 3 those unch … More anged or decreased due to move-out to other hamlets or high mortality probably caused by malaria. Urine diagnosis suggested overall improvement of health status. Considering the bimodal urine pH distribution in February 2006 and the fact that richer (and thus more obese) people suffered from more material effect, the change of health status can be judged as that some richer-obese people reduced energy intake due to the shortage of purchased food. However, in September 2006, urine pH distribution changed back to unimodal and most people took purchased staples more than once a day. WHOQOL-BREF showed moderate level of QOL, except that the scores of environmental domain were relatively lower than other domains.
Immediately after the research in Sep. 2006, the transportation to Honiara has been re-established. It should make people's life drastically changed. Frequencies of going to Honiara were raised and cultivation of cash-crops like watermelon and shallot restarted. Some villagers started to store beer in their houses to sell them to other villagers. Frequency of eating purchased food increased. The WHOQOL-BREF in Sep. 2007 and Feb. 2008 clarified the drastic increase in the scores of environmental domain, which may reflect the re-establishment of regular transportation to Honiara. On the other hand, in Feb. 2008, the scores of social domain look decreasing. There is a possibility that psychological aftereffect of the Ethnic Tension has also disappeared. The prevalence of malaria seems to continuously decrease, amongst P. falciparum. Malaria positive individuals were not evenly distributed but converged into several households. The geographic/family effects should be further studied. Less

Report

(4 results)
  • 2007 Annual Research Report   Final Research Report Summary
  • 2006 Annual Research Report
  • 2005 Annual Research Report
  • Research Products

    (37 results)

All 2008 2007 2006 Other

All Journal Article (15 results) (of which Peer Reviewed: 2 results) Presentation (19 results) Book (1 results) Remarks (2 results)

  • [Journal Article] マラリア対策の進捗による感染状況の変化とフィールドでの迅速診断キットの限界2008

    • Author(s)
      大前比呂思, 亀井喜世子, 中澤港, Bernard Bakote'e
    • Journal Title

      臨床寄生虫学雑誌 18

      Pages: 76-79

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
    • Peer Reviewed
  • [Journal Article] Dynamic Change of malaria epidemiology and limitation of rapid diagnostic tests in the field-settings2008

    • Author(s)
      Ohmae H, Kamei K, Nakazawa M, Bakote' e B
    • Journal Title

      Journal of Clinical Parasitology 18

      Pages: 76-79

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Journal Article] マラリア対策の進捗による感染状況の変化とフィールドでの迅速診断キットの限界.2008

    • Author(s)
      大前比呂思, 亀井喜世子, 中澤 港, Bernard Bakote's
    • Journal Title

      臨床寄生虫学会誌 18

      Pages: 76-79

    • Related Report
      2007 Annual Research Report
  • [Journal Article] The long-term psychological impact of ethnic tension in adolescents of the Solomon Islands2007

    • Author(s)
      Utsumi T, Nakazawa M, Kawabata M
    • Journal Title

      Journal of International Health 22

      Pages: 89-94

    • NAID

      130004471790

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Annual Research Report 2007 Final Research Report Summary
    • Peer Reviewed
  • [Journal Article] The long-term psychological impact of ethnic tension in adolescents of the Solomon Islands2007

    • Author(s)
      Utsumi T, Nakazawa M, Kawabata M
    • Journal Title

      Journal of International Health 22-2

      Pages: 89-94

    • NAID

      130004471790

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Journal Article] "Demography of small scale population" In; Inaba H, "The scope of the modern demography and population studies."2007

    • Author(s)
      Nakazawa M.
    • Journal Title

      Minelva Shobo Inc.

      Pages: 172-195

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Journal Article] ソロモン諸島におけるマラリア感染状況の変化と疫学的指標の問題点2006

    • Author(s)
      大前比呂思, 亀井喜世子, 中澤港, 山内太郎, Bernard Bakote'e
    • Journal Title

      Tropical Medicine and Health 34 suppl.

      Pages: 105-105

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Journal Article] ソロモン諸島における民族紛争が子供の心に及ぼす長期的影響2006

    • Author(s)
      内海孝子, 川端眞人
    • Journal Title

      Tropical Medicine and Health 34 suppl.

      Pages: 145-145

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Journal Article] ソロモン諸島で起きた民族紛争によって首都近郊住民のライフスタイルはどう変わり,健康状態はどうなったか2006

    • Author(s)
      中澤 港
    • Journal Title

      Tropical Medicine and Health 34 suppl.

      Pages: 145-145

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Journal Article] ソロモン諸島におけるマラリア感染状況の変化と疫学的指標の問題点2006

    • Author(s)
      大前比呂恵, 亀井喜世子, 中澤港, 山内太郎, Bernard Bakote'e
    • Journal Title

      Tropical Medicine and Health 34巻増刊号

      Pages: 105-105

    • Related Report
      2006 Annual Research Report
  • [Journal Article] ソロモン諸島における民族紛争が子供の心に及ぼす長期的影響2006

    • Author(s)
      内海孝子, 川端眞人
    • Journal Title

      Tropical Medicine and Health 34巻増刊号

      Pages: 145-145

    • Related Report
      2006 Annual Research Report
  • [Journal Article] ソロモン諸島で起きた民族紛争によって首都近郊住民のライフスタイルはどう変わり,健康状態はどうなったか2006

    • Author(s)
      中澤 港
    • Journal Title

      Tropical Medicine and Health 34巻増刊号

      Pages: 145-145

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Dynamic change of malaria epidemiology and limitation of present indicators in the Solomon Islands

    • Author(s)
      Ohmae H, Kamei K, et. al.
    • Journal Title

      Tropical Medicine and Health 34 (Suppl.)

      Pages: 105-105

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Journal Article] The long-term psychological effects of the ethnic tension in the Solomon Islands on the adolescents

    • Author(s)
      Utsumi T, Kawabata M.
    • Journal Title

      Tropical Medicine and Health 34 (Suppl.)

      Pages: 145-145

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Journal Article] How did the ethnic tension in the Solomon Islands change the lifestyle and health status of the residents of suburbs of Honiara

    • Author(s)
      Nakazawa M.
    • Journal Title

      Tropical Medicine and Health 34 (Suppl.)

      Pages: 145-145

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Presentation] 紛争からの復興とQOL変化の関連2008

    • Author(s)
      中澤 港
    • Organizer
      日本オセアニア学会第25回研究大会
    • Place of Presentation
      淡路島
    • Year and Date
      2008-03-27
    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Presentation] The relationship of recovery from the ethnic tension and changes of QOL2008

    • Author(s)
      Nakazawa M.
    • Organizer
      25th Annual Meeting of Japanese Society for Oceanic Studies
    • Place of Presentation
      Awajishima
    • Year and Date
      2008-03-27
    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Presentation] 紛争からの復興とQOL変化の関連2008

    • Author(s)
      中澤 港
    • Organizer
      日本オセアニア学会
    • Place of Presentation
      淡路島
    • Year and Date
      2008-03-27
    • Related Report
      2007 Annual Research Report
  • [Presentation] Dynamic Change of malaria epidemiology and limitation of rapid diagnostic tests in the field-settings2007

    • Author(s)
      Ohmae H, Kamei K, Nakazawa M, Bakote' e B
    • Organizer
      Annual Meeting of Clinical Parasitology
    • Place of Presentation
      Tokyo
    • Year and Date
      2007-07-11
    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Presentation] マラリア対策の進捗による感染状況の変化とフィールドでの迅速診断キットの限界2007

    • Author(s)
      大前比呂思, 亀井喜世子他
    • Organizer
      臨床寄生虫学会
    • Place of Presentation
      東京
    • Year and Date
      2007-06-11
    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Annual Research Report 2007 Final Research Report Summary
  • [Presentation] ソロモン諸島におけるソーシャル・キャピタル評価:社会疫学の効用と限界2007

    • Author(s)
      中澤 港
    • Organizer
      日本オセアニア学会第24回研究大会
    • Place of Presentation
      静岡
    • Year and Date
      2007-03-20
    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Presentation] Evaluation of social capital in the Solomon Islands: Efficacy and limitation of social epidemiology2007

    • Author(s)
      Nakazawa M.
    • Organizer
      24th Annual Meeting of Japanese Society for Oceanic Studies
    • Place of Presentation
      Shizuoka
    • Year and Date
      2007-03-20
    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Presentation] Solomon Islands experience in the control of Plasmodium vivax malaria.2007

    • Author(s)
      Bernard Bakote'e
    • Organizer
      International Conference on Vivax Malaria in Asia and Pacific Area
    • Place of Presentation
      上海
    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Presentation] Dynamic change of malaria epidemiology and limitation of present indicators in the Solomons2007

    • Author(s)
      Ohmae H, Kamei K, et. al.
    • Organizer
      International Conference on Vivax Malaria in Asia and Pacific Area
    • Place of Presentation
      上海
    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Presentation] Solomon Islands experience in the control of Plasmodium vivax malaria2007

    • Author(s)
      Bernerd Bakote' e.
    • Organizer
      International Conference on Vivax Malaria in Asia and Pacific Area
    • Place of Presentation
      Shanghai
    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Presentation] Dynamic change of malaria epidemiology and limitation of present indicators in the Solomons2007

    • Author(s)
      Ohmae H, Kamei K, et. al.
    • Organizer
      International Conference on Vivax Malaria in Asia and Pacific Area
    • Place of Presentation
      Shanghai
    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Presentation] ソロモン諸島で起きた民族紛争によって首都近郊住民のライフスタイルはどう変わり,健康状態はどうなったか2006

    • Author(s)
      中澤 港
    • Organizer
      第47回日本熱帯医学会・第21回日本国際保健医療学会
    • Place of Presentation
      長崎
    • Year and Date
      2006-10-11
    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Presentation] ソロモン諸島における民族紛争が子供の心に及ぼす長期的影響2006

    • Author(s)
      内海孝子, 川端眞人
    • Organizer
      第47回日本熱帯医学会・第21回日本国際保健医療学会
    • Place of Presentation
      長崎
    • Year and Date
      2006-10-11
    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Presentation] ソロモン諸島におけるマラリア感染状況の変化と疫学的指標の問題点2006

    • Author(s)
      大前比呂思, 亀井喜世子他
    • Organizer
      第47回日本熱帯医学会・第21回日本国際保健医療学会
    • Place of Presentation
      長崎
    • Year and Date
      2006-10-11
    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Presentation] ソロモン諸島民族紛争はホニアラ近郊村落住民の健康にどう影響したか2006

    • Author(s)
      中澤 港
    • Organizer
      日本オセアニア学会第23回研究大会
    • Place of Presentation
      那須塩原
    • Year and Date
      2006-03-20
    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Presentation] How did the ethnic tension in the Solomon Islands affect the health status of the residents of suburbs of Honiara2006

    • Author(s)
      Nakazawa M.
    • Organizer
      23th Annual Meeting of Japanese Society for Oceanic Studies
    • Place of Presentation
      Nasu
    • Year and Date
      2006-03-20
    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Presentation] How did the ethnic tension in the Solomon Islands change the lifestyle and health status of the residents of suburbs of Honiara

    • Author(s)
      Nakazawa M.
    • Organizer
      Joint meeting of 47th Annual Meeting of the Japanese Society of Tropical Medicine and 21st Annual Meeting of Japanese Society of International Health
    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Presentation] The long-term psychological effects of the ethnic tension in the Solomon Islands on the adolescents

    • Author(s)
      Utsunii T, Kawabata M.
    • Organizer
      Joint meeting of 47th Annual Meeting of theJapanese Society of Tropical Medicine and 21st Annual Meeting of Japanese Society of International Health
    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Presentation] Dynamic change of malaria epidemiology and limitation of present indicators in the Solomon Islands

    • Author(s)
      Ohmae H, Kamei K, et. al.
    • Organizer
      Joint meeting of 47th Annual Meeting of the Japanese Society of Tropical Medicine and 21st Annual Meeting of Japanese Society of International Health
    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Book] 稲葉 寿(編)『現代人口学の射程』2007

    • Author(s)
      中澤 港
    • Publisher
      ミネルヴァ書房
    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Remarks] 「研究成果報告書概要(和文)」より

    • URL

      http://phi.med.gunma-u.ac.jp/tasimboko/

    • Related Report
      2007 Final Research Report Summary
  • [Remarks]

    • URL

      http://phi.med.gunma-u.ac.jp/tasimboko/

    • Related Report
      2007 Annual Research Report

URL: 

Published: 2005-04-01   Modified: 2016-04-21  

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