Research Article
Multilevel Analysis of 24-Hour Blood Pressure, Heart Rate, and Associated Factors among Police Officers in Hanoi, Vietnam
Table 2
Distribution of SBP/DBP/pulse by time sections and 24 hours among 244 participants.
| Time sections | summer | Winter | Paired T test | | Means | SD | Means | SD | |
| 1-6 AM | | | | | |
| SBP | 106.0 | 12.2 | 104.2 | 12.7 | 0.0000 |
| DBP | 62.9 | 10.0 | 61.3 | 10.5 | 0.0000 |
| Pulse | 63.4 | 12.8 | 63.3 | 12.0 | 0.3341 |
| 7-12 AM | | | | | |
| SBP | 113.2 | 13.0 | 110.7 | 14.4 | 0.0000 |
| DBP | 68.8 | 10.3 | 67.4 | 11.6 | 0.0003 |
| Pulse | 73.1 | 13.4 | 73.7 | 13.5 | 0.1099 |
| 1-6 PM | | | | | |
| SBP | 113.2 | 13.0 | 113.2 | 13.9 | 0.0000 |
| DBP | 68.8 | 10.3 | 68.7 | 12.1 | 0.4773 |
| Pulse | 73.1 | 13.4 | 77.5 | 14.2 | 0.0000 |
| 7-12 PM | | | | | |
| SBP | 114.1 | 12.1 | 114.0 | 14.1 | 0.4339 |
| DBP | 69.6 | 10.4 | 69.8 | 12.3 | 0.3591 |
| Pulse | 75.3 | 12.9 | 76.4 | 13.9 | 0.0040 |
| 24 hours | | | | | |
| SBP | 112.1 | 13.2 | 110.5 | 14.3 | 0.0000 |
| DBP | 67.5 | 10.8 | 66.8 | 12.1 | 0.0000 |
| Pulse | 71.8 | 14.1 | 72.7 | 14.6 | 0.0000 |
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