Table 2.
Comparison of systolic blood pressure variability according to depressive mood
| Characteristics | Total | Participants without depressive mood | Participants with depressive mood | P-value |
|---|---|---|---|---|
| (n = 371) | (n = 328) | (n = 43) | ||
| Mean (SD) | ||||
| Total Participants | ||||
| Baseline SBP | 126.18 (13.20) | 126.49 (13.02) | 123.77 (14.44) | 0.203 |
| Baseline DBP | 77.46 (10.06) | 77.43(10.05) | 77.65 (10.25) | 0.894 |
| Intra-individual standard deviation | 10.29 (5.57) | 9.67 (5.66) | 10.16 (4.89) | 0.585 |
| Coefficient of variation | 7.80(4.0) | 7.76(4.92) | 8.18(3.81) | 0.586 |
| Variation independent of mean | 8.99(5.52) | 8.94(5.65) | 9.43(4.39) | 0.585 |
| Average real variability | 10.89(7.91) | 10.81(8.02) | 11.48(7.11) | 0.604 |
| Participants without hypertension (N = 164) | ||||
| Baseline SBP | 121.79 (11.93) | 122.10(11.65) | 119.55(13.91) | 0.373 |
| Baseline DBP | 74.79 (8.52) | 75.12 (8.39) | 73.45 (9.24) | 0.19 |
| Intra-individual standard deviation | 8.63 (4.95) | 8.58 (4.93) | 8.94 (5.19) | 0.763 |
| Coefficient of variation | 6.99 (3.76) | 6.94 (3.74) | 7.28 (4.02) | 0.81 |
| Variation independent of mean | 8.05 (4.34) | 8.00 (4.32) | 8.38 (4.63) | 0.712 |
| Average real variability | 10.15 (8.29) | 10.09 (8.27) | 10.52 (8.65) | 0.832 |
| Participants with hypertension | ||||
| Baseline SBP | 129.00(12.63) | 129.33(12.40) | 126.40(14.42) | 0.294 |
| Baseline DBP | 79.19(10.21) | 79.02(10.26) | 80.59(9.91) | 0.489 |
| Intra-individual standard deviation | 10.59(5.88) | 10.51(6.04) | 11.22(4.46) | 0.588 |
| Coefficient of variation | 8.45(5.41) | 8.39(5.61) | 8.96(3.52) | 0.632 |
| Variation independent of mean | 9.74(6.21) | 9.67(6.43) | 10.33(4.06) | 0.631 |
| Average real variability | 11.48(7.57) | 11.38(7.80) | 12.32(5.51) | 0.575 |