In order to access and use
individual level data from DST, researchers must sign a written researcher agreement that contains a number of conditions and restrictions on data use.
"If a specificity threshold for a given MRI lesion of at least 0.9 is applied for axial MRI to discriminate between axial SpA [spondyloarthritis] and background variation in healthy controls or in differential diagnostic conditions, no more than 10% of healthy controls in our study should meet this criterion by an
individual level data analysis," they wrote.
The study examined
individual level data from 190,672 in-person examinations across 10 large prospective cohorts with an aggregate of 3.2 million years of follow-up.
Significantly, however, these reviews extracted and combined risk estimates from previous studies in a meta-analysis; they did not analyze
individual level data.
The insurance industry, however, has not yet applied the theory to understand the propagation of risk trends across the larger population, in part because of the sheer size of associated social networks and unavailability of
individual level data.
I use
individual level data from the Medical Expenditure Panel Survey (MEPS) for the years 2010 and 2011 to empirically examine the effect of having insurance coverage on individual healthcare expenditures.
This paper uses
individual level data from Japan from 2000 to 2003 to examine whether and how much a wife's labor participation influences the effect of her education on her husband's productivity and earnings.
The
individual level data came from the Finnish Drinking Habits Surveys carried out in 1968, 1976, 1984, 1992, 2000, and 2008.
The contribution of this study to the field is the inclusion of student transfer and
individual level data, a novelty in learning success studies.
Both of these papers show the value of using
individual level data to examine social trends.
This emphasis, it should be noted, has implications for wider questions relating to
individual level data. For example, whether, in aggregate, hours worked by individuals in the USA have increased of not may be a matter of debate, but what cannot be disputed is that the hours worked by couples, and the consequent pressures on families, have increased.