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Linking nutrition security and agrobiodiversity: the importance of traditional vegetables for nutritional health of women in rural Tanzania

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This cross-sectional sequential study investigated the link between vegetable diversity available
 (“production... Weiterlesen
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Beschreibung

This cross-sectional sequential study investigated the link between vegetable diversity available
 (“production”) and dietary diversity of women (“consumption”) in three different districts of rural
 Tanzania. Furthermore, the relationship between the nutritional health status of participants and
 cropping and dietary diversity was analysed.
 The study was carried out during three different seasons within one year (2006/2007) in 18
 villages of three districts in north-eastern and central Tanzania including 252 women. The survey
 included an individual interview on vegetable production, food consumption (i.a. 24h-recall, 7drecall
 on vegetables) and nutritional knowledge, and the measurement of body mass index (BMI),
 haemoglobin (Hb) for iron status and different parameters for vitamin A status. Besides studying
 single nutrients, food groups and health problems, also a more holistic view was taken on dietary
 diversity/food variety and dietary patterns and their relationships with nutritional status and
 vegetable production. Relationships were investigated both through bivariate correlations and
 multiple regression analysis; dietary diversity and food variety scores were calculated and dietary
 patterns were generated through principal component analysis (PCA) as well as cluster analysis.
 Regarding the link between production and consumption, there was a clear relationship between
 vegetable diversity produced and diversity consumed, while this was not so clear between
 production and consumption quantity, except for single seasons. Influencing factors on consumed
 vegetable quantity were suggested to be seasonality; the purchase of additional vegetables
 (especially exotic) next to home-grown ones; and knowledge, attitudes and preferences of women
 regarding vegetable consumption. When analysing food patterns, no direct association between
 diversity of vegetable cropping and vegetable consumption was established. Yet, for the study
 population in Tanzania it was found that food consumption was (still) influenced by local
 production and that, therefore, food consumption issues should always integrate existing food
 production and vice versa.
 The link established between food consumption and nutritional health data of the present study
 showed that the obesity epidemic is on the rise, even in rural, poor and underdeveloped regions
 of Tanzania. Furthermore, it was found that a high dietary diversity is not per se a guarantee for a
 healthy diet, yet, food types and food groups that contribute to a high diversity are decisive. A
 direct link between production and nutritional health could only partly be shown. Obviously, the
 focus on vegetable production seems to be not sufficient, but overall food production needs to be
 taken into account.
 Further recommendations for future research are, i.a., to investigate the influence of exotic
 vegetables and, generally, exotic foods in production and consumption on nutritional health; to
 enhance dietary diversity scores as a tool for assessing dietary diversity together with dietary
 quality; to eleborate dietary guidelines for Tanzania, preferably district- or area-wise; to investigate
 the nutrition transition in Tanzania especially in rural areas with a focus on the nutritional
 knowledge of people, their attitudes, preferences (e.g. taste) and behaviour

Produktinformationen

Titel: Linking nutrition security and agrobiodiversity: the importance of traditional vegetables for nutritional health of women in rural Tanzania
Autor:
EAN: 9783736935983
ISBN: 978-3-7369-3598-3
Digitaler Kopierschutz: frei
Format: E-Book (pdf)
Herausgeber: Cuvillier Verlag
Genre: Essen & Trinken
Anzahl Seiten: 280
Veröffentlichung: 16.12.2010
Jahr: 2010
Untertitel: Englisch
Dateigrösse: 3.4 MB