Table 2.
Difference between the first and last home blood pressure measurement.a,b
|
|
Systolic blood pressure | Diastolic blood pressure |
|||||||
| First | Last | Diff. (SE) | P-value | First | Last | Diff. (SE) | P-value | ||
| All participantsc |
|
128.22 (1.45) | 126.92 (1.31) | −1.30 (1.10) | .240 | 79.30 (0.90) | 78.40 (0.73) | −0.90 (0.51) | .081 |
| By protocol | |||||||||
|
|
Monthly measurements, n=45 | 128.23 (2.25) | 128.15 (2.25) | −0.08 (1.98) | .968 | 80.08 (1.38) | 78.87 (1.18) | −1.21 (0.84) | .156 |
|
|
Biweekly measurements, n=58 | 128.20 (1.91) | 125.96 (1.54) | −2.25 (1.20) | .068 | 78.70 (1.20) | 78.02 (0.92) | −0.67 (0.64) | .304 |
| By referral |
|
|
|
|
|
|
|
|
|
|
|
Not referred, n=78 | 122.61 (1.27) | 122.59 (1.28) | −0.02 (1.29) | .987 | 76.71 (0.91) | 76.45 (0.80) | −0.25 (0.56) | .654 |
|
|
Referred, n=25 | 145.72 (1.96) | 140.43 (1.91) | −5.29 (1.92) | .011 | 87.22 (1.66) | 84.44 (1.02) | −2.93 (1.08) | .012 |
|
|
Referred and visited GP, n=23 | 146.02 (2.03) | 140.98 (2.00) | −5.04 (2.07) | .023 | 87.22 (1.66) | 84.44 (1.02) | −2.79 (1.17) | .027 |
|
|
Referred and changed/started BP med., n=5 | 153.73 (3.93) | 141.62 (4.83) | −12.12 (6.65) | .142 | 90.62 (2.64) | 83.79 (1.55) | −6.83 (2.29) | .080 |
aData represent the mean difference (standard error) in mm Hg of final and initial blood pressure.
bDiff, difference; SE, standard error; GP, general practitioner; BP, blood pressure.
cMissing data for n=48 participants.