Table 3.
Characteristics of participants by BMI category a.
| BMI Categories (kg/m2) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| <18.5 (n = 562) | 18.5–19.9 (n = 787) | 20.0–22.4 (n = 2195) | 22.5–24.9 (n = 2218) | 25.0–27.4 (n = 1006) | ≥27.5 (n = 423) | |||||||
| Age (years) b | 75.6 | (6.8) | 74.0 | (6.7) | 73.3 | (6.2) | 72.9 | (5.8) | 72.8 | (5.9) | 72.8 | (5.8) |
| Women (n (%)) c | 388 | (69.0) | 465 | (59.1) | 1205 | (54.9) | 1012 | (45.6) | 469 | (46.6) | 249 | (58.9) |
| BMI (kg/m2) b | 17.3 | (1.0) | 19.3 | (1.5) | 21.3 | (1.6) | 23.7 | (1.9) | 26.1 | (2.3) | 29.6 | (2.2) |
| Alcohol drinker (n (%)) c | 304 | (54.1) | 484 | (61.5) | 1443 | (65.7) | 1504 | (67.8) | 685 | (68.1) | 271 | (64.1) |
| Current smoker (n (%)) c | 71 | (12.6) | 85 | (10.8) | 252 | (11.5) | 239 | (10.8) | 90 | (9.0) | 32 | (7.6) |
| Living alone (n (%)) c | 63 | (11.2) | 98 | (12.5) | 250 | (11.4) | 257 | (11.6) | 104 | (10.3) | 41 | (9.7) |
| HSE (n (%)) c | 184 | (32.7) | 271 | (34.4) | 779 | (35.5) | 738 | (33.3) | 347 | (34.5) | 123 | (29.1) |
| Education ≥13 y (n (%)) c | 104 | (18.5) | 181 | (23.0) | 467 | (21.3) | 535 | (24.1) | 225 | (22.4) | 95 | (22.5) |
| MVPA (n (%)) c | 186 | (33.1) | 341 | (43.3) | 1002 | (45.7) | 1045 | (47.1) | 441 | (43.8) | 145 | (34.3) |
| Denture use (n (%)) c | 370 | (65.8) | 484 | (61.5) | 1323 | (60.3) | 1311 | (59.1) | 600 | (59.6) | 244 | (57.7) |
| No medication (n (%)) c | 138 | (24.6) | 210 | (26.7) | 529 | (24.1) | 477 | (21.5) | 182 | (18.1) | 55 | (13.0) |
| Hypertension (n (%)) c | 126 | (22.4) | 227 | (28.8) | 774 | (35.3) | 934 | (42.1) | 507 | (50.4) | 221 | (52.3) |
| Stroke (n (%)) c | 21 | (3.7) | 27 | (3.4) | 76 | (3.5) | 90 | (4.1) | 37 | (3.7) | 18 | (4.3) |
| Heart disease (n (%)) c | 52 | (9.3) | 90 | (11.4) | 258 | (11.8) | 289 | (13.0) | 148 | (14.7) | 77 | (18.2) |
| Diabetes (n (%)) c | 41 | (7.3) | 63 | (8.0) | 213 | (9.7) | 236 | (10.6) | 127 | (12.6) | 83 | (19.6) |
| Hyperlipidemia (n (%)) c | 34 | (6.1) | 72 | (9.2) | 209 | (9.5) | 232 | (10.5) | 110 | (10.9) | 66 | (15.6) |
BMI, body mass index; HSE, high socioeconomic status; MVPA, moderate to vigorous physical activity. a Missing values were supplemented by multiple imputation for the following factors: alcohol status, n = 108; smoking status, n = 132; physical activity, n = 402; family structure, n = 487; socioeconomic status, n = 236; education, n = 667; denture use, n = 83; and medication use, n = 392. b Continuous variables are shown as means and standard deviations. c Categorical variables are shown as numbers of people and percentages.