Table 1.
Baseline characteristics of 837 eFHSa participants, by BMI trajectory groups, at examination 3.
| Variable | BMI trajectory groupsb | |||||
| Group 1 (n=292) | Group 2 (n=468) | Group 3 (n=77) | P-valuec |
|
||
| Age (years), mean (SD) | 54 (9) | 53 (8) | 50 (10) | <.001 |
|
|
| Female, n (%) | 166 (56.8) | 264 (56.4) | 54 (70.1) | .07 |
|
|
| Race, n (%) |
|
|
|
.44 |
|
|
|
|
European ancestry | 257 (88.0) | 425 (90.8) | 70 (90.9) |
|
|
|
|
Other ancestries | 35 (12.0) | 43 (9.2) | 7 (9.1) |
|
|
| Hypertension, n (%) | 67 (22.9) | 116 (24.8) | 37 (48.1) | <.001 |
|
|
| Diabetes, n (%) | 16 (5.5) | 22 (4.7) | 6 (7.8) | .52 |
|
|
| Current smoking, n (%) | 11 (3.8) | 20 (4.3) | 5 (6.5) | .58 |
|
|
| Cardiovascular disease, n (%) | 14 (4.8) | 16 (3.4) | 2 (2.6) | .59 |
|
|
| Self-reported sleep apnea, n (%) |
|
|
|
.01 |
|
|
|
|
Yes | 29 (9.9) | 55 (11.8) | 18 (23.4) |
|
|
|
|
No | 261 (89.4) | 402 (85.9) | 59 (76.6) |
|
|
| Education, n (%) |
|
|
|
.34 |
|
|
|
|
Bachelor’s degree or higher | 197 (67.5) | 327 (69.9) | 47 (61.0) |
|
|
|
|
No college degree | 94 (32.2) | 140 (29.9) | 29 (37.7) |
|
|
| Marital status, n (%) |
|
|
|
.53 |
|
|
|
|
Married | 223 (76.4) | 356 (76.1) | 54 (70.1) |
|
|
|
|
Currently not married | 66 (22.6) | 110 (23.5) | 22 (28.6) |
|
|
|
|
Physical Activity Index, mean (SD) | 33.6 (4.4) | 33.3 (4.9) | 33.0 (5.4) | .51 |
|
| BMI, n (%) |
|
|
|
<.001 |
|
|
|
|
Normal weight | 128 (43.8) | 115 (24.6) | 1 (1.3) |
|
|
|
|
Overweight | 103 (35.3) | 218 (46.6) | 15 (19.5) |
|
|
|
|
Obese | 61 (20.9) | 135 (28.8) | 61 (79.2) |
|
|
aeFHS: electronic cohort of the Framingham Heart Study.
bGroup 1: Participants whose BMI remained stable over the study period; group 2: slight increase in BMI over the study period; group 3: large increase in BMI over the study period.
cP-value of chi-square test for categorical variables, and detecting if any of the groups are statistically different for continuous variables.