Multilevel Analysis of 24-Hour Blood Pressure, Heart Rate, and Associated Factors among Police Officers in Hanoi, Vietnam

Figure 2

Distribution of SBP during 24 hours in summer of 244 study subjects. The vertical axis represents value of SBP in mmHg, while the horizontal axis represents the 244 individuals. The circle represents study subject’s SBP measured at a particular hour during a day. Each study subject has 24 circles presented vertically.