Table 1.
Participants’ characteristics by trajectory groups at the baseline.
| Group | Group 1 | Group 2 | Group 3 | Group 4 | Group 5 | Group 6 | chi2/F | p Value b |
|---|---|---|---|---|---|---|---|---|
| n | 1240 (18.83%) | 1389 (21.09%) | 1682 (25.54%) | 1238 (18.80%) | 715 (10.86%) | 322 (4.89%) | ||
| Gender (%) | 30.8 | <0.001 | ||||||
| Female | 48.79% | 43.52% | 52.51% | 45.67% | 48.55% | 41.25% | ||
| Male | 51.21% | 56.48% | 47.49% | 54.33% | 51.45% | 58.75% | ||
| Age a | 38.13 ± 13.92 | 25.00 ± 20.86 | 38.42 ± 17.27 | 34.54 ± 15.82 | 26.21 ± 10.20 | 20.50 ± 8.45 | 460.97 | <0.001 |
| Smoking status (%) | 227.14 | <0.001 | ||||||
| Noncurrent smokers | 71.31% | 81.97% | 73.40% | 71.82% | 90.77% | 84.69% | ||
| Current smokers | 28.69% | 18.03% | 26.60% | 28.18% | 9.23% | 15.31% | ||
| Exercise | 665.33 | <0.001 | ||||||
| Had not achieved 10 MET/h per person per week | 51.22% | 68.03% | 40.07% | 46.52% | 80.38% | 74.37% | ||
| Had achieved 10 MET/h per person per week | 48.78% | 31.97% | 59.93% | 53.48% | 19.62% | 25.63% |
Note:a Values are expressed as mean ± standard deviation. b Significant differences were found in gender, age, smoking status, and exercise (p < 0.001); X2 tests for dichotomous variables and one-way ANOVA test for continuous variables.