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This document describes the design and implementation of dried blood spot (DBS) based assay for high sensitivity C-reactive protein (hs-CRP), undertaken as part of fourth wave of the Indonesia Family Life Survey (IFLS). The Indonesia Family Life Survey is a continuing longitudinal socioeconomic and health survey. It is based on a sample of households representing about 83% of the Indonesian population living in 13 of the nation's 26 provinces in 1993. The survey collects data on individual respondents, their families, their households, the communities in which they live, and the health and education facilities they use. The first wave (IFLS1) was administered in 1993 to individuals living in 7,224 households. IFLS2 sought to reinterview the same respondents four years later. A follow-up survey (IFLS2+) was conducted in 1998 with 25% of the sample to measure the immediate impact of the economic and political crisis in Indonesia. The next wave, IFLS3, was fielded on the full sample in 2000. IFLS4 was fielded in late 2007 and early 2008 on the same 1993 households and their splitoffs; 13,535 households and 44,103 individuals were interviewed.

This paper series made was possible by the NIA funded RAND Center for the Study of Aging and the NICHD funded RAND Population Research Center.

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