Baseline characteristics of the study population (weighted)
| Characteristics | Total (n=579) | No malnutrition (n=541 930.4%) | Malnutrition (n=3860.6%) | P value |
| Age, mean±SD | 63.4±0.5 | 63.4±0.5 | 62.9±2.8 | 0.85 |
| <65 | 281 (55.6) | 265 (55.3) | 16 (60.2) | 0.61 |
| ≥65 | 298 (44.4) | 276 (44.7) | 22 (39.8) | |
| Gender, N (%) | 0.46 | |||
| Male | 304 (46.1) | 277 (45.7) | 27 (53.2) | |
| Female | 275 (53.9) | 264 (54.3) | 11 (46.9) | |
| Race/ethnicity, N (%) | 0.78 | |||
| Mexican American | 26 (1.9) | 6 (2.0) | 0 (0.0) | |
| Non-Hispanic black | 92 (6.7) | 85 (6.6) | 7 (8.3) | |
| Non-Hispanic white | 383 (80.9) | 356 (80.8) | 27 (84.4) | |
| Other Hispanic | 27 (2.3) | 26 (2.3) | 1 (0.9) | |
| Other race—including multiracial | 51 (8.3) | 48 (8.4) | 3 (6.5) | |
| Educational attainment, N (%) | 0.05 | |||
| >12th grade | 240 (44.2) | 226 (45.3) | 14 (25.3) | |
| 9–12th grade | 286 (50.3) | 263 (49.1) | 23 (71.5) | |
| <9th grade | 52 (5.4) | 51 (5.6) | 1 (3.2) | |
| Marital status, N (%) | 0.72 | |||
| Married or living with partner | 275 (56.6) | 258 (56.3) | 17 (61.3) | |
| Unmarried | 303 (43.4) | 282 (43.6) | 21 (38.7) | |
| Smoking status, N (%) | 0.09 | |||
| Never | 81 (12.5) | 81 (13.2) | 0(0.0) | |
| Former | 243 (40.8) | 231 (41.4) | 12 (30.9) | |
| Present | 254 (46.6) | 228 (45.4) | 26 (69.1) | |
| RIP, mean±SD | 2.2±0.1 | 2.2±0.2 | 1.9±0.3 | 0.29 |
| <1 | 167 (24.9) | 155 (26.6) | 12 (28.8) | 0.59 |
| 1–3 | 265 (38.7) | 244 (40.9) | 21 (50.2) | |
| 3 | 100 (29.8) | 96 (32.5) | 4 (21.1) | |
| Covered by health insurance, N (%) | 542 (93.5) | 506 (94.2) | 36 (82.5) | 0.06 |
| Dysglycaemia, N (%) | 280 (46.9) | 269 (47.1) | 11 (44.2) | 0.83 |
| Hypertension, N (%) | 403 (67.3) | 378 (68.0) | 25 (54.6) | 0.32 |
| CHF, N (%) | 132 (18.8) | 123 (19.2) | 9 (15.0) | 0.55 |
| Cancer, N (%) | 143 (28.6) | 132 (28.5) | 11 (36.3) | 0.35 |
CHF, congestive heart failure; RIP, the ratio of family income to poverty.