Table 1 Summary information on demographic and phenotypic variables

Information from first visit (n = 841)

    Sex (% female)

57.9

    Age (median [min, max]) in years

38 (16, 94)

    Smoking status (% current smoker)

21.7

    Taking blood pressure medication (%)

10.0

Phenotypes: cross-sectional (n = 841)

    Ever hypertensive (%)

40.0

    SBP (median [25^th, 75^th percentiles]) (mm Hg)

118 (110, 130)

    DBP (median [25^th, 75^th percentiles]) (mm Hg)

72 (65, 78)

Phenotypes: average yearly change (n = 634)

    SBP (mean [std]) (mm Hg)

0.95 (2.09)

    DBP (mean [std]) (mm Hg)

0.23 (1.27)