Table 1.
Demographic and health history differences across BMI categories (N=2,476)
| BMI category
|
P value | ||||
|---|---|---|---|---|---|
| Normal weight (18.5–<25) (n=901) |
Overweight (25–<30) (n=962) |
Obese class I (30–<35) (n=425) |
Obese class II–III (35+) (n=188) |
||
| Sex | <0.001 | ||||
| Male, n (%) | 422 (46.84%) | 548 (56.96%) | 199 (46.82%) | 92 (48.94%) | |
| Female, n (%) | 479 (53.16%) | 414 (43.04%) | 226 (53.18%) | 96 (51.06%) | |
| Age | <0.001 | ||||
| Mean±SD | 37.52±14.06 | 42.05±14.41 | 43.86±14.67 | 42.82±13.68 | |
| Marital status | <0.001 | ||||
| Single, n (%) | 411 (45.62%) | 338 (35.14%) | 136 (32.00%) | 61 (32.45%) | |
| Married/living with partner, n (%) | 490 (54.38%) | 624 (64.86%) | 289 (68.00%) | 127 (67.55%) | |
| Employment status | 0.455 | ||||
| Not currently employed, n (%) | 226 (25.08%) | 218 (22.66%) | 105 (24.71%) | 51 (27.13%) | |
| Employed, n (%) | 675 (74.92%) | 744 (77.34%) | 320 (75.29%) | 137 (72.87%) | |
| Highest level of education | 0.040 | ||||
| Less than university degree, n (%) | 359 (39.84%) | 389 (40.44%) | 197 (46.35%) | 87 (46.28%) | |
| University degree, n (%) | 542 (60.16%) | 573 (59.56%) | 228 (53.65%) | 101 (53.72%) | |
| Socioeconomic status | 0.884 | ||||
| AB, n (%) | 367 (40.73%) | 394 (40.96%) | 166 (39.06%) | 77 (40.96%) | |
| C+, n (%) | 297 (32.96%) | 328 (34.10%) | 151 (35.53%) | 60 (31.91%) | |
| C, n (%) | 129 (14.32%) | 122 (12.68%) | 54 (12.71%) | 23 (12.23%) | |
| C−, n (%) | 62 (6.88%) | 66 (6.86%) | 35 (8.24%) | 15 (7.98%) | |
| D+, n (%) | 37 (4.11%) | 39 (4.05%) | 15 (3.53%) | 9 (4.79%) | |
| D, n (%) | 9 (1.00%) | 13 (1.35%) | 4 (0.94%) | 4 (2.13%) | |
| Health behaviors | |||||
| Smoking behavior | 0.274 | ||||
| Current smoker, n (%) | 286 (31.74%) | 269 (27.96%) | 110 (25.88%) | 54 (28.72%) | |
| Former smoker, n (%) | 327 (36.29%) | 393 (40.85%) | 181 (42.59%) | 74 (39.36%) | |
| Never smoker, n (%) | 288 (31.96%) | 300 (31.19%) | 134 (31.53%) | 60 (31.91%) | |
| Days exercised in the past month | <0.001 | ||||
| Mean±SD | 9.92±9.15 | 8.93±8.89 | 7.18±8.18 | 6.71±8.04 | |
| Alcohol use frequency | 0.083 | ||||
| Daily, n (%) | 7 (0.78%) | 16 (1.66%) | 2 (0.47%) | 0 (0.00%) | |
| 4–6 times a week, n (%) | 17 (1.89%) | 17 (1.77%) | 7 (1.65%) | 3 (1.60%) | |
| 2–3 times a week, n (%) | 79 (8.77%) | 75 (7.80%) | 21 (4.94%) | 12 (6.38%) | |
| Once a week, n (%) | 152 (16.87%) | 164 (17.05%) | 76 (17.88%) | 25 (13.30%) | |
| 2–3 times a month, n (%) | 144 (15.98%) | 151 (15.70%) | 60 (14.12%) | 23 (12.23%) | |
| Once a month or less often, n (%) | 297 (32.96%) | 307 (31.91%) | 133 (31.29%) | 64 (34.04%) | |
| I do not drink alcohol, n (%) | 205 (22.75%) | 232 (24.12%) | 126 (29.65%) | 61 (32.45%) | |
| Charlson Comorbidity Index | <0.001 | ||||
| Mean±SD | 0.94±2.34 | 1.14±1.85 | 1.68±2.13 | 2.03±2.26 | |
| Comorbidities | |||||
| T2DM, n (%) | 204 (24.91%) | 344 (42.00%) | 163 (19.90%) | 108 (13.19%) | <0.001 |
| Prediabetes, n (%) | 39 (9.18%) | 172 (40.47%) | 163 (38.35%) | 51 (12.00%) | <0.001 |
| Hypertension, n (%) | 229 (25.59%) | 328 (36.65%) | 217 (9.27%) | 121 (13.52%) | <0.001 |
Abbreviations: BMI, body mass index; T2DM, type 2 diabetes mellitus.