Table 1.
EMA PA and risk factors
| Factor | High PA (n = 1,399) (%) | Medium PA (n = 1,530) (%) | Low PA (n = 924) (%) | P value (trend) |
| Age at baseline (y) | 64.33 ± 7.13 | 64.07 ± 7.46 | 64.91 ± 7.66 | 0.024 |
| Sex (women) | 720 (51.5) | 868 (56.7) | 518 (56.1) | 0.015 |
| Marital status (married) | 1099 (78.6) | 1148 (75.0) | 653 (70.7) | 0.001 |
| Ethnicity (white) | 1384 (98.9) | 1514 (99.0) | 913 (98.8) | 0.83 |
| Employment status (used) | 450 (32.2) | 518 (33.9) | 280 (30.3) | 0.47 |
| Education | ||||
| Lower | 425 (30.4) | 439 (28.7) | 289 (31.3) | 0.32 |
| Intermediate | 565 (40.4) | 613 (40.1) | 395 (42.7) | |
| Higher | 240 (29.2) | 477 (31.2) | 240 (26.0) | |
| Wealth quintile | ||||
| 1 (Lowest) | 272 (19.5) | 300 (19.6) | 197 (21.3) | 0.07 |
| 2 | 270 (19.3) | 307 (20.1) | 194 (21.0) | |
| 3 | 295 (21.1) | 289 (18.9) | 192 (20.8) | |
| 4 | 285 (20.4) | 288 (18.8) | 193 (20.9) | |
| 5 (Highest) | 276 (19.7) | 344 (22.5) | 148 (16.0) | |
| Negative affect | 3.28 ± 0.69 | 3.41 ± 0.77 | 3.86 ± 1.28 | 0.001 |
| Depression (above threshold) | 61 (4.4) | 147 (9.6) | 208 (22.5) | 0.001 |
| Diagnosed depressive in the past 2 y | 7 (0.5) | 26 (1.7) | 17 (1.8) | 0.003 |
| Fair or poor self-rated health | 204 (14.6) | 306 (20.0) | 270 (29.2) | 0.001 |
| Serious illness at baseline | ||||
| Cancer | 104 (7.4) | 114 (7.5) | 76 (8.2) | 0.51 |
| CHD | 39 (2.8) | 39 (2.5) | 28 (3.0) | 0.79 |
| Stroke | 16 (1.1) | 33 (2.2) | 16 (1.7) | 0.19 |
| Diabetes | 96 (6.9) | 108 (7.1) | 60 (6.5) | 0.77 |
| Heart failure | 3 (0.2) | 1 (0.1) | 2 (0.2) | 0.89 |
| Chronic lung disease | 51 (3.6) | 54 (3.5) | 45 (4.9) | 0.18 |
| Current smoker | 132 (9.4) | 170 (11.1) | 121 (13.1) | 0.006 |
| Vigorous or moderate physical activity ≥1×/wk | 1,214 (86.8) | 1,294 (84.6) | 750 (81.2) | 0.001 |
| Alcohol at least daily | 423 (30.3) | 499 (32.7) | 258 (28.0) | 0.38 |