Table 3. My Body My Story study participants' health-related characteristics: 504 black and 501 white community health center members, all US-born, non-Hispanic, ages 35–64 (Boston, MA, 2008–2010).
Variable | Observed data | Missing: N (%) | |||
Black | White | Black | White | ||
Anthropometric | |||||
Height (cm) (mean (SD)) | 167.9 (8.5) | 168.3 (9.0) | 0 | 3 (0.6) | |
Weight (kg) (mean (SD)) | 91.2 (22.6) | 83.3 (21.4) | 0 | 2 (0.4) | |
Body mass index (BMI; kg/m2) (mean(SD)) | 32.4 (8.0) | 29.3 (6.9) | 0 | 3 (0.6) | |
Obese (BMI > = 30) (%) | 57.1 | 39.4 | 0 | 3 (0.6) | |
Waist circumference (cm) (mean (SD))a | 104.3 (15.9) | 100.0 (16.0) | 0 | 4 (0.8) | |
Hip circumference (cm) (mean (SD))a | 113.0 (16.4) | 106.0 (15.1) | 0 | 4 (0.8) | |
Waist-to-hip ratio | 0.92 (0.07) | 0.94 (0.07) | 0 | 4 (0.8) | |
Behavioral | |||||
Smoking (%) | current smoker | 43.8 | 34.5 | 0 | 0 |
ex-smoker | 16.9 | 34.5 | |||
never smoker | 39.3 | 30.9 | |||
Physical activity (International Physical Activity Questionnaire [IPAQ]) (%) | low | 28.4 | 21.2 | 1 (0.2) | 0 |
moderate | 30.6 | 38.3 | |||
high | 41.0 | 40.5 | |||
Sleep: usual hours on weekdays/ workdays (%) | 7 or more hours | 22.8 | 35.1 | 0 | 0 |
5 to 7 hours | 63.1 | 53.9 | |||
<5 hours | 14.1 | 11.0 | |||
Cardiovascular disease outcomes and related health variables | |||||
Blood pressure: mm Hg (mean (SD))b | systolic | 131.6 (16.0) | 125.3 (16.1) | 6 (1.2) | 4 (0.8) |
diastolic | 83.4 (10.7) | 79.4 (10.4) | 6 (1.2) | 4 (0.8) | |
Hypertension (%) | yes | 62.5 | 41.4 | 8 (1.6) | 6 (1.2) |
Cholesterol: mg/dL (mean (SD))b | Total | 175.9 (35.1) | 185.8 (36.9) | 7 (1.4) | 13 (2.6) |
LDL | 103.0 (32.2) | 112.6 (33.1) | 58 (11.5) | 69 (13.8) | |
HDL | 49.4 (16.0) | 49.0 (16.6) | 23 (4.6) | 19 (3.8) | |
Total/HDL cholesterol ratio | 3.9 (1.6) | 4.2 (1.7) | 27 (5.4) | 23 (4.6) | |
Triglycerides: mg/dL (mean (SD))b | 130.9 (84.9) | 140.2 (94.9) | 33 (6.5) | 47 (9.4) | |
CVD history (self-report) (%) | yes | 11.1 | 9.6 | 0 | 0 |
Diabetes (%) | yes | 25.2 | 15.1 | 4 (0.8) | 12 (2.4) |
Framingham cardiovascular disease (CVD) 10 year risk score (mean (SD)) | everyone | 10.9 (10.2) | 9.6 (9.2) | 47 (9.3) | 45 (9.0) |
only persons with no self-reported CVD history | 10.1 (9.4) | 9.1 (9.1) | 41 (9.2) | 38 (8.4) |
Note: outcomes in bold font have values that differ significantly (p<0.05) comparing the black versus white study participants.
% measured over clothes: (a) waist: black = 86.1%; white = 73.5%; (b) hip: black = 95.6%; white = 93.2%.
Values for blood pressure, cholesterol, and triglycerides are reported as measured, regardless of participants' use of medication for these outcomes or their fasting status.