Table 3.
Subgroup Characteristics According to BMI Trajectory.a
| Trajectory 1 | Trajectory 2 | Trajectory 3 | Trajectory 4 | Trajectory 5 | |
|---|---|---|---|---|---|
| Body mass index (BMI) | 22.0 ± 2.25 | 25.7 ± 2.90 | 29.64 ± 3.23 | 34.27 ± 3.70 | 41.56 ± 5.51 |
| Demographics | |||||
| Female (%) | 64.4 | 47.4 | 49.1 | 58.5 | 74.4 |
| Black (%)b | 10.6 | 15.7 | 21.1 | 23.8 | 31.2 |
| Hispanic (%)b | 6.1 | 11.7 | 12.6 | 10.5 | 7.7 |
| Age-at-baseline (years) | 55.86 ± 3.12 | 55.92 ± 3.16 | 55.71 ± 3.14 | 55.44 ± 3.16 | 55.44 ± 3.21 |
| Education (years) | 12.47 ± 3.07 | 11.98 ± 3.36 | 11.73 ± 3.33 | 11.41 ± 3.43 | 11.33 ± 3.05 |
| Health Status | |||||
| Self-rated health (range 1-5) | 2.61 ± 1.18 | 2.58 ± 1.20 | 2.57 ± 1.20 | 2.60 ± 1.21 | 2.70 ± 1.17 |
| Nagi index (range 0-6) | 1.29 ± 1.62 | 1.42 ± 1.67 | 1.59 ± 1.69 | 1.96 ± 1.74 | 2.82 ± 1.69 |
| CES-D score (range 0-9) | 4.88 ± 1.74 | 4.93 ± 1.77 | 4.99 ± 1.81 | 5.25 ± 1.80 | 5.57 ± 1.81 |
| Disease index (range 0-7) | 1.12 ± 1.07 | 1.10 ± 1.12 | 1.08 ± 1.12 | 1.07 ± 1.10 | 1.15 ± 1.12 |
| Died (%) | 17.3 | 22.1 | 19.6 | 14.3 | 15.8 |
| Dropped Out (%) | 6.1 | 9.2 | 7.6 | 3.4 | 3.0 |
| Overall % samplec | 18.4 | 41.3 | 27.6 | 10.2 | 2.5 |
Note.
a
Plus-minus represents means ± SD.
b
Non-Hispanic White racial/ethnic group represents the default percentage up to 100%.
c
Based on fully adjusted model (i.e., M3 in Table 3; model adjusted for socioeconomic and health status covariates); the percentages differ slightly from percentages derived from the unconditional time-only model.
*p < .05.
**p < .01.
***p < .001.