Thiamine Deficiency is Prevalent in a Selected Group of Urban Indonesian Elderly People

In most industrialized countries the number of elderly people is increasing due to an improvement in health care and a reduction in birth rates during the past decades (WHO 1989). Population aging is not only occurring in industrialized countries, but also in developing countries. It is estimated that in the Southeast Asian region the proportion of individuals older than 60 y will increase from 5% in 1950 to 11.5% in 2050, equivalent to a four-fold increase in absolute numbers (Gopalan 1992). The aging process is associated with physiological, psychological and socioeconomic changes leading to nutritional excess,such as obesity, and deficit, such as micronutrient deficiency, and their related health outcomes, such as coronaryatherosclerosis, diabetes mellitus, certain cancers and anemia. These changes and outcomes are evidenced from various studies of elderly people living in industrialized countries (de Groot et al. 1991, Hartz et al. 1992, Kromhout et al. 1990, Wahlqvist et al. 1995a and b). So far, a limited number of studies have been undertaken to
observe the nutritional status of the elderly living in developing countries.

Study design. This cross-sectional study was carried out between March and April 1996, in two sub-villages of Johor-Baru sub-district in Central-Jakarta. The Johor-Baru sub-district had a total population of ;108,000 persons and a population density of ;40,000 people/km2. The population of the two sub-villages from which the subjects were selected was ;51,700, of which an estimated 4,400 people were older than 60 y. Subjects. Subjects were randomly selected from a list obtained from the municipality including all inhabitants who were aged from 60 to 75 y. Excluded were those elderly with a serious illness, who were immobile, and who were institutionalized. Subjects. Subjects were randomly selected from a list obtained from the municipality including all inhabitants who were aged from 60 to 75 y. Excluded were those elderly with a serious illness, whowere immobile, and who were institutionalized.

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