Table 4.
Multiple Regression Model Describing Systolic Blood Pressure in the METS Cohorts*
B Coefficient | 95% Confidence | Interval | p-value | |
---|---|---|---|---|
Age (y) | 0.45 | 0.34 | 0.55 | <0.001 |
Sex** | 1.40 | −3.92 | 6.71 | 0.61 |
BMI (kg/m2) | 0.34 | 0.14 | 0.55 | 0.001 |
Treatment for hypertension | 12.8 | 9.83 | 15.85 | <0.001 |
Current smoker | 1.16 | −0.49 | 2.80 | 0.17 |
Manual labor | −0.49 | −2.00 | 1.02 | 0.52 |
Education (y) | −0.18 | −0.42 | 0.06 | 0.15 |
Sites | ||||
South Africa | 9.66 | 2.53 | 16.79 | <0.01 |
Ghana | −12.76 | −21.85 | −3.68 | <0.01 |
Jamaica | −7.88 | −16.05 | 0.28 | 0.06 |
Seychelles | −11.11 | −19.86 | −2.36 | 0.01 |
Interaction terms | ||||
BMI X Sex | −0.41 | −0.60 | −0.22 | <0.001 |
BMI X South Africa | −0.22 | −0.45 | 0.01 | 0.06 |
BMI X Ghana | 0.29 | −0.05 | 0.62 | 0.10 |
BMI X Jamaica | 0.22 | −0.06 | 0.50 | 0.12 |
BMI X Seychelles | 0.21 | −0.08 | 0.51 | 0.16 |
Intercept | 101.8 | 90.1 | 113.5 | <0.001 |
21.2% of variance in systolic blood pressure in METS cohorts explained by this model (r2 =0.212)
Variable coding: men = 1, women = 2; self-reported treatment for hypertension = 1, no treatment = 0; current smoker = 1, non-smoker = 0; manual labor job = 1, non-manual labor job = 0