Table 1.
General characteristic of study participants, according to trajectory group.
| Trajectory Group | |||||
|---|---|---|---|---|---|
| Group 1 Low Steady |
Group 2 Lowering |
Group 3 High Steady |
Group 4 Rise and Fall |
Group 5 Very high Steady |
|
| Number (%) | 17,158 (28.3) |
8934 (14.7) |
10,479 (17.3) |
9461 (15.6) |
14,679 (24.2) |
| Age, mean, (1992–1994) | 26.9 | 27.0 | 26.9 | 27.1 | 26.9 |
| BMI, kg/m2 (1992–1994) | 22.3 | 22.3 | 22.2 | 22.6 | 22.7 |
| BMI, kg/m2 (2002–2004) | 24.1 | 24.2 | 24.1 | 24.7 | 24.5 |
| SBP, mmHg (1992–1994) | 120.2 | 119.4 | 119.2 | 120.1 | 120.0 |
| SBP, mmHg (2002–2004) | 122.6 | 122.6 | 122.5 | 124.2 | 123.7 |
| FBG, mg/dL (1992–1994) | 86.5 | 86.1 | 85.8 | 86.3 | 86.2 |
| FBG, mg/dL (2002–2004) | 90.7 | 91.4 | 91.8 | 93.1 | 93.3 |
| TC, mg/dL (1992–1994) | 174.0 | 173.5 | 174.0 | 176.1 | 176.4 |
| TC, mg/dL (2002–2004) | 192.7 | 193.8 | 194.7 | 199.2 | 197.7 |
| Alcohol drinking (%) | 67.5 | 83.8 | 83.6 | 84.5 | 85.3 |
| Exercise (%) | 22.1 | 19.1 | 20.0 | 15.1 | 13.4 |
| Smoking status (1992) | |||||
| Non-smoker | 72.6 | 2.4 | 3.8 | 0.7 | 0.3 |
| Ex-smoker | 24.7 | 24.8 | 8.5 | 2.7 | 0.7 |
| 1–9 cig/day | 2.3 | 43.1 | 46.3 | 16.6 | 4.9 |
| 10–19 cig/day | 0.3 | 23.8 | 36.2 | 50.1 | 49.5 |
| ≥20 cig/day | 0.1 | 6.1 | 5.3 | 29.9 | 44.7 |
| Smoking status (2004) | |||||
| Non-smoker | 91.6 | 38.3 | 0.2 | 43.8 | 0.0 |
| Ex-smoker | 6.2 | 47.5 | 6.5 | 51.6 | 2.1 |
| 1–9 cig/day | 1.7 | 11.9 | 28.5 | 3.5 | 2.6 |
| 10–19 cig/day | 0.4 | 2.2 | 59.4 | 1.1 | 55.2 |
| ≥20 cig/day | 0.1 | 0.1 | 5.3 | 0.0 | 40.1 |
Detailed smoking status between 1992 and 2004, attached as a supplementary table. BMI—body mass index; SBP—systolic blood pressure; FBG—fasting blood glucose; TC—serum total cholesterol; cig—cigarettes.