SEASONAL WEIGHT-LOSS AND METABOLIC ADAPTATION IN RURAL BENINESE WOMEN - THE RELATIONSHIP WITH BODY-MASS INDEX

被引:19
|
作者
SCHULTINK, JW [1 ]
VANRAAIJ, JMA [1 ]
HAUTVAST, JGAJ [1 ]
机构
[1] WAGENINGEN UNIV AGR, DEPT HUMAN NUTR, 6700 EV WAGENINGEN, NETHERLANDS
关键词
BASAL METABOLIC RATE; BODY WEIGHT; BODY MASS INDEX; RURAL BENINESE WOMEN;
D O I
10.1079/BJN19930164
中图分类号
R15 [营养卫生、食品卫生]; TS201 [基础科学];
学科分类号
100403 ;
摘要
A large variation in seasonal weight loss between individuals exists in rural communities in developing countries. Therefore, it was investigated whether some individuals show a metabolic adaptation and, through that, prevent large body-weight losses during the preharvest season. Basal metabolic rate (BMR), energy intake and physical activity level (PAL) of rural Beninese women were measured in three seasons. Groups of subjects were: women with a body mass index (BMI) < 18 (n 18), and a BMI > 23 (n 16), and women who had shown small (n 18) and large (n 15) preharvest weight loss. All groups of subjects decreased energy intake during the preharvest season by 0.66-1.09 MJ/d. PAL did not show significant seasonal changes in any of the four groups. Only subjects with a BMI < 18 decreased BMR during the preharvest season with 2.9 (SD 6.7) J/kg per min (P < 0.05), with a decrease of 0.8 (SD 1.4) kg (P < 0.05) in body weight. In very thin women with a BMI < 17 (n 5) BMR expressed per unit body weight decreased even more during the preharvest season (by 12%).
引用
收藏
页码:689 / 700
页数:12
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