Variable | Correlation statistic r (p-value) |
Gender (0 = female, 1 = male) | 0.01 (0.4) |
Age | 0.14 (<0.001) * |
Level of education (1 primary or less, 2 higher than primary) | −0.16 (<0.001) |
History of hypertension (1 = yes, 0 = no) | 0.09 (0.001) * |
History of diabetes (1 = yes, 0 = no) | 0.12 (<0.001) * |
History of sickle cell disease (1 = yes, 0 = no) | 0.09 (0.001) * |
History of leg swelling (1 = yes, 0 = no) | 0.14 (<0.001) * |
History of facial swelling (1 = yes, 0 = no) | −0.01 (0.61) |
Snuff (1 = yes, 0 = no) | 0.08 (<0.01) |
Alcohol/week (0 = none, 1 = 1 - 3 drinks, 2 = 4 - 6 drinks, 3 = 7 or more days) | 0.04 (0.87) |