Longitudinal Aging Study in India (LASI) - National Academies

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Longitudinal Aging Study in India (LASI)

LASI Biomarkers

¡ Proposed to test the dried blood spots (DBS) collected
during LASI for the presence of 5 key markers

¡ Apolipoproteins B and A-1
¡ C-reactive protein (CRP)
¡ Epstein-Barr virus (EBV)
¡ Hemoglobin (Hb)
¡ HbA1c

¡ Assembled strong team
with wealth of knowledge
related to serological
analyses, DBS in particular

Longitudinal Aging Study in India (LASI)

Longitudinal Aging Study in India (LASI)

¡Short term goals

¡ conduct LASI-Pilot to cover a target sample of 1600
completed interviews of men/women age 45+ years.

¡ 400 completed interviews in four selected stated of
Karnataka , and Rajasthan (covered in SAGE) Kerala and
Punjab (new).

Longitudinal Aging Study in India (LASI)

Pilot study

¡Sample size: 1500 (targeting individuals 45+
and their spouses, age-eligible or not)

¡States involved:

¡ Karnataka
¡ Kerala
¡ Punjab
¡ Rajasthan

Longitudinal Aging Study in India (LASI)

Data management and analysis

¡ Central office validation checks, feedback to field
teams, cleaning and coding for open ended/verbatim
questions

¡ DBS results will be integrated when available

¡ Data analysis plan will be discussed in the LASI advisory
committee meeting

¡ Data will be protected with access to designated
persons and LASI coordinators

¡ Final data set will be delivered for harmonization with
HRS and dissemination

¡ GIS data will be anonymised

Longitudinal Aging Study in India (LASI)

LASI Progress so far

Tasks completed
¡ Instrument
¡ CAPI
¡Manuals - Module-based, supervisor,

training
¡Main Wave sampling plan
¡Four state Pilot – in progress – 2 states

completed; end date – 25 December
¡First Results – Delhi meeting in March14-15,

2010

Longitudinal Aging Study in India (LASI)