TABLE 2.
Characteristics of participants by quartile of adherence to the prudent dietary pattern1
| Quartile of factor score: prudent dietary pattern | ||||||
|---|---|---|---|---|---|---|
| Characteristic | Overall, (n = 517) | 1, lowest (n = 130) | 2 (n = 129) | 3 (n = 129) | 4, highest (n = 129) | P value2 |
| Age, y | 84.3 ± 4.1 | 84.1 ± 4.2 | 84.4 ± 3.9 | 84.4 ± 3.9 | 84.2 ± 4.3 | 0.91 |
| Race | 0.26 | |||||
| White | 454 (87.8) | 117 (90.0) | 116 (89.9) | 114 (88.4) | 107 (82.9) | |
| Other | 63 (12.2) | 13 (10.0) | 13 (10.1) | 15 (11.6) | 22 (17.1) | |
| Education | 0.64 | |||||
| <High school | 17 (3.3) | 6 (4.6) | 2 (1.6) | 5 (3.9) | 4 (3.1) | |
| High school graduate | 85 (16.4) | 28 (21.5) | 24 (18.6) | 15 (11.6) | 18 (13.9) | |
| Some college | 110 (21.3) | 28 (21.5) | 29 (22.5) | 26 (20.2) | 27 (20.9) | |
| College graduate | 78 (15.1) | 18 (13.8) | 19 (14.7) | 22 (17.1) | 19 (15.3) | |
| Some graduate school | 65 (12.6) | 9 (6.9) | 19 (14.7) | 19 (14.7) | 18 (3.9) | |
| Graduate degree | 162 (31.3) | 41 (31.5) | 36 (27.9) | 42 (32.6) | 43 (33.3) | |
| Clinical center | 0.10 | |||||
| Birmingham | 69 (13.2) | 16 (12.3) | 21 (16.3) | 13 (10.1) | 17 (13.2) | |
| Minneapolis | 80 (15.3) | 29 (22.3) | 17 (13.2) | 19 (14.7) | 15 (11.6) | |
| Palo Alto | 69 (13.2) | 16 (12.3) | 13 (10.1) | 14 (10.8) | 26 (20.2) | |
| Pittsburgh | 84 (16.1) | 25 (19.2) | 17 (13.2) | 21 (16.3) | 19 (14.7) | |
| Portland | 115 (22.0) | 23 (17.7) | 35 (27.1) | 33 (25.6) | 22 (17.1) | |
| San Diego | 106 (20.3) | 21 (16.2) | 26 (20.2) | 29 (22.5) | 30 (23.3) | |
| Smoking | 0.29 | |||||
| Ever | 291 (55.6) | 76 (58.5) | 79 (61.2) | 65 (50.4) | 69 (53.5) | |
| Never | 232 (44.4) | 54 (41.5) | 50 (38.8) | 64 (49.6) | 61 (46.5) | |
| Alcohol, current | 0.23 | |||||
| Yes | 253 (48.4) | 58 (44.6) | 68 (52.7) | 56 (43.4) | 69 (53.5) | |
| No | 270 (51.6) | 72 (55.4) | 61 (47.3) | 73 (56.6) | 60 (46.5) | |
| PASE score | 124 ± 68 | 120 ± 64 | 125 ± 69 | 126 ± 69 | 127 ± 70 | 0.87 |
| BMI, kg/m2 | 26.9 ± 3.7 | 27.3 ± 3.5 | 27.3 ± 3.6 | 27.1 ± 4.0 | 26.0 ± 3.7 | 0.02 |
| Self-rated health | 0.31 | |||||
| Excellent/good | 467 (89.3) | 114 (87.7) | 121 (93.8) | 116 (89.9) | 113 (87.6) | |
| Fair/poor/very poor | 56 (10.7) | 16 (12.3) | 8 (6.2) | 13 (10.1) | 16 (12.4) | |
| History of multimorbidity3 | 0.03 | |||||
| Yes | 322 (62.3) | 81 (62.3) | 92 (71.3) | 69 (53.5) | 80 (62.0) | |
| No | 195 (37.7) | 49 (37.7) | 37 (28.7) | 60 (46.5) | 49 (38.0) | |
| Microbial diversity | ||||||
| Shannon | 3.39 ± 0.61 | 3.38 ± 0.63 | 3.44 ± 0.59 | 3.36 ± 0.61 | 3.38 ± 0.62 | 0.40 |
| Inverse Simpson | 15.9 ± 9.8 | 15.9 ± 9.8 | 16.8 ± 10.3 | 15.4 ± 10.0 | 15.6 ± 9.4 | 0.65 |
1
Values are shown as means ± SD or n (%). PASE, Physical Activity Scale for the Elderly.
2Derived from either an ANOVA (continuous variables) or chi-square test (categorical variables).
3Defined as having ≥2 of the following chronic conditions: myocardial infarction, heart failure, stroke, diabetes, chronic obstructive pulmonary disease, cancer, hip fracture, osteoarthritis, rheumatoid arthritis, depression, cognitive impairment, Parkinson's disease, visual impairment, and fall history.