Table 2.
Homocysteine and folate levels in different populations*
| Urban | Agriculture | Stock-raising | F/P | P1 | P2 | P3 | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| Mean | sd | Mean | sd | Mean | sd | |||||
| Hcy (µmol/l) | 13·48 | 8·92 | 13·48 | 7·92 | 14·37 | 7·91 | 1·001/0·368 | 0·994 | 0·170 | 0·193 |
| Folate (ng/ml) | 7·12 | 4·46 | 6·50 | 3·81 | 3·48 | 4·02 | 54·058/<0·001 | 0·003 | <0·001 | <0·001 |
Hcy, homocysteine.
*
Adjusted for gender, age, BMI, alcohol intake, cigarette consumption, hypertension, education and ethnicity. F is the statistic value of covariance analysis; P represents the P value for among-group comparison; P1, urban v. agriculture; P2, agriculture v. stock-raising; P3, stock-raising v. urban.