Table 2: Bivariate analysis of physiological parameters and BMI, stratified by <25 and ≥25 BMI.

Overall
= 315
<25 BMI
= 145
≥25 BMI
= 170
P value

Mean = 35.1Mean = 30.2Mean = 39.3
Age (years)Median = 32.0Median = 26.0Median = 39.5<0.0001
Std Dev = 11.9Std Dev = 9.6Std Dev = 12.2

Mean = 36.5Mean = 36.5Mean = 36.6
Oral temp. (°C)Median = 36.6Median = 36.6Median = 36.60.811
Std Dev = 0.58Std Dev = 0.6Std Dev = 0.5

Mean = 126.9Mean = 121.9Mean = 131.2
BP systolic (mm Hg)Median = 127.0Median = 121.0Median = 132.0<0.0001
Std Dev = 16.1Std Dev = 15.1Std Dev = 15.7

Mean = 73.8Mean = 72.2Mean = 75.1
BP diastolic (mm Hg)Median = 74.0Median = 72.0Median = 76.00.043
Std Dev = 9.9Std Dev = 9.5Std Dev = 10.2

Mean = 91.5Mean = 88.8Mean = 93.8
Mean arterial pressure (mm Hg)Median = 91.3Median = 88.3Median = 93.5<0.0001
Std Dev = 10.6Std Dev = 10.1Std Dev = 10.5

Mean = 71.5Mean = 70.5Mean = 72.4
Pulse (beats per minute)Median = 71.0Median = 70.0Median = 73.00.0013
Std Dev = 11.4Std Dev = 11.5Std Dev = 11.2

Race
 African American5916 (27%)43 (73%)
 Asian4632 (70%)14 (30%)0.0002
 White20091 (46%)109 (54%)
 *Other106 (60%)4 (40%)

Sex
 Male10750 (47%)57 (53%)0.859
 Female20895 (46%)113 (54%)

*The racial category “other” represents all choice races not included among African American, Asian, or White categories.