Table 2.
Multivariable linear and percentile regression modeling of mean systolic blood pressure (SBP) and diastolic blood pressure (DBP).
| Variables | All patients | Percentiles of mean SBP/DBP (%) | ||||||||||||||||||||
|
|
|
10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 | ||||||||||||
| Systolic blood pressure | ||||||||||||||||||||||
|
|
(constant) | |||||||||||||||||||||
|
|
|
Correlation coefficient | —a | –1.14 | –0.75 | –0.47 | –0.26 | –0.04 | 0.20 | 0.46 | 0.73 | 1.21 | ||||||||||
|
|
|
P value | .60 | <.001 | <.001 | <.001 | <.001 | .15 | <.001 | <.001 | <.001 | <.001 | ||||||||||
|
|
Age | |||||||||||||||||||||
|
|
|
Correlation coefficient | 0.20 | 0.19 | 0.20 | 0.18 | 0.17 | 0.16 | 0.17 | 0.19 | 0.21 | 0.24 | ||||||||||
|
|
|
P value | <.001 | <.001 | <.001 | <.001 | <.001 | <.001 | <.001 | <.001 | <.001 | <.001 | ||||||||||
|
|
Sex | |||||||||||||||||||||
|
|
|
Correlation coefficient | –0.05 | –0.05 | –0.02 | –0.03 | –0.06 | –0.06 | –0.05 | –0.04 | –0.07 | –0.08 | ||||||||||
|
|
|
P value | .07 | .21 | .61 | .27 | .04 | .06 | .08 | .25 | .06 | .14 | ||||||||||
|
|
Education | |||||||||||||||||||||
|
|
|
Correlation coefficient | –0.03 | 0.00 | –0.01 | –0.04 | –0.05 | –0.05 | –0.06 | –0.05 | –0.05 | 0.00 | ||||||||||
|
|
|
P value | .24 | .94 | .76 | .17 | .06 | .07 | .04 | .10 | .16 | .99 | ||||||||||
|
|
BMI | |||||||||||||||||||||
|
|
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Correlation coefficient | 0.08 | 0.14 | 0.10 | 0.11 | 0.10 | 0.08 | 0.09 | 0.04 | 0.05 | 0.05 | ||||||||||
|
|
|
P value | .001 | <.001 | .001 | <.001 | <.001 | .002 | <.001 | .11 | .12 | .33 | ||||||||||
|
|
Duration of hypertension | |||||||||||||||||||||
|
|
|
Correlation coefficient | 0.10 | 0.12 | 0.10 | 0.07 | 0.08 | 0.08 | 0.09 | 0.10 | 0.10 | 0.11 | ||||||||||
|
|
|
P value | <.001 | <.001 | .001 | .007 | .002 | .001 | .001 | <.001 | .003 | .03 | ||||||||||
|
|
Family history of hypertension | |||||||||||||||||||||
|
|
|
Correlation coefficient | 0.01 | 0.06 | –0.01 | –0.02 | –0.02 | –0.03 | –0.02 | 0.00 | 0.00 | 0.01 | ||||||||||
|
|
|
P value | .65 | .08 | .72 | .49 | .49 | .23 | .47 | .90 | .94 | .83 | ||||||||||
|
|
Number of hypertension-related symptoms | |||||||||||||||||||||
|
|
|
Correlation coefficient | –0.01 | 0.01 | –0.06 | –0.06 | –0.03 | –0.01 | 0.01 | 0.00 | 0.00 | 0.03 | ||||||||||
|
|
|
P value | .60 | .78 | .06 | .02 | .24 | .80 | .74 | .94 | .99 | .59 | ||||||||||
|
|
Number of hypertension-related diagnoses | |||||||||||||||||||||
|
|
|
Correlation coefficient | –0.02 | 0.01 | 0.00 | 0.01 | 0.01 | 0.00 | –0.03 | –0.04 | –0.05 | –0.08 | ||||||||||
|
|
|
P value | .50 | .67 | .89 | .57 | .81 | .98 | .22 | .18 | .13 | .11 | ||||||||||
|
|
Annual measurement times | |||||||||||||||||||||
|
|
|
Correlation coefficient | –0.09 | 0.16 | 0.10 | 0.04 | 0.01 | –0.04 | –0.11 | –0.18 | –0.27 | –0.35 | ||||||||||
|
|
|
P value | <.001 | <.001 | <.001 | .10 | .64 | .08 | <.001 | <.001 | <.001 | <.001 | ||||||||||
| Diastolic blood pressure | ||||||||||||||||||||||
|
|
(constant) | |||||||||||||||||||||
|
|
|
Correlation coefficient | — | –1.16 | –0.74 | –0.48 | –0.22 | –0.03 | 0.21 | 0.42 | 0.74 | 1.13 | ||||||||||
|
|
|
P value | .89 | <.001 | <.001 | <.001 | <.001 | .18 | <.001 | <.001 | <.001 | <.001 | ||||||||||
|
|
Age | |||||||||||||||||||||
|
|
|
Correlation coefficient | –0.23 | –0.25 | –0.23 | –0.21 | –0.20 | –0.21 | –0.24 | –0.23 | –0.23 | –0.23 | ||||||||||
|
|
|
P value | <.001 | <.001 | <.001 | <.001 | <.001 | <.001 | <.001 | <.001 | <.001 | <.001 | ||||||||||
|
|
Sex | |||||||||||||||||||||
|
|
|
Correlation coefficient | –0.11 | –0.10 | –0.10 | –0.06 | –0.09 | –0.07 | –0.09 | –0.13 | –0.18 | –0.16 | ||||||||||
|
|
|
P value | <.001 | .02 | .001 | .04 | .002 | .02 | .003 | <.001 | <.001 | .002 | ||||||||||
|
|
Education | |||||||||||||||||||||
|
|
|
Correlation coefficient | –0.02 | –0.03 | –0.01 | 0.01 | 0.02 | 0.01 | 0.00 | –0.02 | –0.06 | –0.05 | ||||||||||
|
|
|
P value | .54 | .48 | .66 | .79 | .51 | .69 | .95 | .57 | .08 | .33 | ||||||||||
|
|
BMI | |||||||||||||||||||||
|
|
|
Correlation coefficient | 0.04 | 0.08 | 0.06 | 0.06 | 0.03 | 0.05 | 0.02 | 0.06 | 0.03 | 0.04 | ||||||||||
|
|
|
P value | .08 | .02 | .03 | .04 | .20 | .03 | .37 | .02 | .26 | .39 | ||||||||||
|
|
Duration of hypertension | |||||||||||||||||||||
|
|
|
Correlation coefficient | 0.03 | –0.04 | 0.04 | 0.04 | 0.03 | 0.05 | 0.04 | 0.03 | 0.05 | 0.02 | ||||||||||
|
|
|
P value | .17 | .32 | .14 | .12 | .20 | .04 | .12 | .19 | .13 | .63 | ||||||||||
|
|
Family history of hypertension | |||||||||||||||||||||
|
|
|
Correlation coefficient | 0.02 | 0.05 | 0.02 | 0.03 | 0.02 | 0.00 | 0.00 | –0.04 | –0.02 | 0.01 | ||||||||||
|
|
|
P value | .49 | .18 | .46 | .25 | .45 | .89 | .90 | .17 | .52 | .80 | ||||||||||
|
|
Number of hypertension-related symptoms | |||||||||||||||||||||
|
|
|
Correlation coefficient | 0.00 | 0.05 | 0.01 | –0.03 | –0.01 | –0.03 | –0.01 | –0.01 | 0.01 | 0.01 | ||||||||||
|
|
|
P value | .92 | .18 | .71 | .31 | .70 | .30 | .63 | .81 | .84 | .82 | ||||||||||
|
|
Number of hypertension-related diagnoses | |||||||||||||||||||||
|
|
|
Correlation coefficient | –0.02 | 0.01 | 0.00 | –0.02 | –0.03 | –0.04 | –0.02 | –0.01 | –0.04 | –0.01 | ||||||||||
|
|
|
P value | .39 | .70 | .92 | .49 | .21 | .09 | .38 | .60 | .21 | .81 | ||||||||||
|
|
Annual measurement times | |||||||||||||||||||||
|
|
|
Correlation coefficient | –0.11 | 0.11 | 0.01 | –0.04 | –0.04 | –0.05 | –0.13 | –0.17 | –0.24 | –0.35 | ||||||||||
|
|
|
P value | <.001 | .003 | .78 | .16 | .10 | .06 | <.001 | <.001 | <.001 | <.001 | ||||||||||
aNot applicable.