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. 2018 Apr 27;7(4):e93. doi: 10.2196/resprot.9692

Table 5.

Number of observations, participants, and estimated cases that we expect to include in the primary analyses.

Analysis Number of observations Number of participants Observations/Participants Estimated number of casesa Variance inflation factor
Cross-sectional 11,670 7166 1.63 2334 1.31
Prospective 4746 3271 1.45 2610 1.05

aA case in the primary analysis will be defined as the shift from no use of antihypertensive drugs in examination n to use of antihypertensive drugs in examination n+1 or an above median delta value of systolic blood pressure (systolic blood pressure in examination n+1-systolic blood pressure in examination n).