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Timing of Biomeasure Collection in Population-Based Studies

National Social Life, Health, and Aging Project

National Social Life, Health, and Aging Project (NSHAP) is an in-home survey of 3,005 persons aged 57 to 84 that collected biomeasures of health and physiological functioning to better characterize the health of survey participants.  NSHAP Wave I has been conducted between July 2005 and March 2006. 

Timing of biomarker data collection in the NSHAP Wave I study (in minutes).

Measure Median time
25 percentile
90 percentile
Weight
4
1
7
Height
1
1
3
Waist
1
1
2
Blood pressure
5
4
8
Blood sample (including consent process)
8
6
13
Saliva sample 9
7
15
Taste
4
3
7
Vaginal swabs
9
7
14
Orasure
4
3
8
Distance vision
3
2
6
Get up and go
2
1
3
Touch
2
2
4