Table 3.
Exposed group (n = 93) | Unexposed group (n = 49) | t test between the group differences | ||||||
---|---|---|---|---|---|---|---|---|
2000 | 2006 | Difference | 2000 | 2006 | Difference | p value | ||
Systolic blood pressure, mmHg | Mean | 135.2 | 142*** | 6.8 | 138.3 | 140.8 | 2.5 | 0.159 |
SD | 15.5 | 15.0 | 16.4 | 14.9 | 17.1 | 17.5 | ||
Diastolic blood pressure, mmHg | Mean | 87.7 | 90.1* | 2.3 | 89.2 | 89.3 | 0.02 | 0.217 |
SD | 9.7 | 8.4 | 9.9 | 10.4 | 9.5 | 11.2 | ||
Serum gamma-glutamyl transferase, S-GT (U/l) | Mean | 50.4 | 52.8 | 2.40 | 35.5 | 41.7 | 6.2 | 0.482 |
SD | 56.4 | 47.6 | 29.9 | 15.5 | 31.7 | 27.7 | ||
Serum carbohydrate-deficient transferrin, S-CDT (U/l) | Mean | 1.5 | 1.6 | 0.09 | 1.6 | 1.3 | − 0.30 | 0.048 |
SD | 0.3 | 0.5 | 0.4 | 0.49 | 0.79 | 0.9 | ||
Serum glucose (mmol/l) | Mean | 5.4 | 5.5 | 0.09 | 5.7 | 5.5 | − 0.17 | 0.251 |
SD | 0.7 | 0.5 | 0.93 | 1.1 | 0.7 | 1.4 | ||
Serum total cholesterol (mmol/l) | Mean | 5.5 | 5.4 | − 0.08 | 5.7 | 5.4 | − 0.33 | 0.383 |
SD | 1.2 | 1.1 | 1.7 | 1.0 | 0.8 | 1.3 | ||
Serum HDL cholesterol (mmol/l) | Mean | 1.3 | 1.4 | 0.10 | 1.3 | 1.3 | 0.00 | 0.353 |
SD | 0.3 | 0.4 | 0.6 | 0.4 | 0.4 | 0.5 | ||
Serum triglycerides (mmol/l) | Mean | 1.6 | 1.6 | − 0.01 | 1.6 | 1.8 | 0.11 | 0.661 |
SD | 0.9 | 0.8 | 1.2 | 1.1 | 1.7 | 2.1 | ||
Serum LDL cholesterol (mmol/l) | Mean | 3.6 | 3.4 | − 0.24 | 3.6 | 3.3* | -0.38 | 0.578 |
SD | 1.0 | 0.9 | 1.4 | 0.9 | 0.7 | 1.1 |
Paired t test: *p < 0.05; **p < 0.01; ***p < 0.001