Table 1.
Characteristics of the Study Population Based on the Amount of Physical Activity
| Variable | Total |
0 MET min/wk |
<500 MET min/wk |
500–999 MET min/wk |
1000–1499 MET min/wk |
≥1500 MET min/wk |
|---|---|---|---|---|---|---|
| Participants, n (%) | 1 048 502 (100) | 314 815 (30.0) | 286 526 (27.3) | 271 661 (25.9) | 107 487 (10.3) | 68 013 (6.5) |
| Sex, n (%) | ||||||
| Men | 528 373 (50.4) | 135 208 (42.9) | 138 664 (48.4) | 147 687 (54.4) | 63 370 (59.0) | 43 444 (63.9) |
| Women | 520 129 (49.6) | 179 607 (57.1) | 147 862 (51.6) | 123 974 (45.6) | 44 117 (41.0) | 24 569 (36.1) |
| Age, y | 62.7±11.3 | 64.9±11.4 | 61.9±11.6 | 61.8±11.0 | 60.5±10.3 | 62.2±9.8 |
| Age categories, y | ||||||
| 18–64 | 569 056 (54.3) | 148 097 (47.0) | 163 472 (57.1) | 153 456 (56.5) | 66 198 (61.6) | 37 833 (55.6) |
| 65–74 | 337 403 (32.2) | 105 846 (33.6) | 86 067 (30.0) | 87 928 (32.4) | 33 193 (30.9) | 24 369 (35.8) |
| 75–99 | 142 043 (13.5) | 60 872 (19.3) | 36 987 (12.9) | 30 277 (11.1) | 8096 (7.5) | 5811 (8.5) |
| Smoking status | ||||||
| Nonsmoker | 683 807 (65.2) | 227 525 (72.3) | 187 400 (65.4) | 166 234 (61.2) | 63 049 (58.7) | 39 599 (58.2) |
| Ex‐smoker | 204 917 (19.5) | 39 997 (12.7) | 54 523 (19.0) | 63 238 (23.3) | 28 563 (26.6) | 18 596 (27.3) |
| Current smoker | 155 882 (14.9) | 45 178 (14.4) | 43 896 (15.3) | 41 562 (15.3) | 15 589 (14.5) | 9657 (14.2) |
| Missing | 3896 (0.4) | 2115 (0.7) | 707 (0.2) | 627 (0.2) | 286 (0.3) | 161 (0.2) |
| Alcohol frequency | ||||||
| <1 Time/wk | 721 567 (68.8) | 243 170 (67.7) | 193 974 (67.7) | 176 218 (64.9) | 65 873 (61.3) | 42 332 (62.2) |
| 1–2 Times/wk | 200 709 (19.1) | 38 686 (12.3) | 61 649 (21.5) | 59 899 (22.0) | 25 681 (23.9) | 14 794 (21.8) |
| 3–4 Times/wk | 72 966 (7.0) | 16 024 (5.1) | 19 095 (6.7) | 21 608 (8.0) | 10 273 (9.6) | 5966 (8.8) |
| ≥5 Times/wk | 45 752 (4.4) | 13 310 (4.2) | 9957 (3.5) | 12 686 (4.7) | 5173 (4.8) | 4626 (6.8) |
| Missing | 7508 (0.7) | 3625 (1.2) | 1851 (0.6) | 1250 (0.5) | 487 (0.5) | 295 (0.4) |
| Income status, quartile | ||||||
| First quartile (low) | 218 111 (20.8) | 69 849 (22.2) | 58 162 (20.3) | 55 609 (20.5) | 21 199 (19.7) | 13 292 (19.5) |
| Second quartile | 172 804 (16.5) | 54 758 (17.4) | 47 105 (16.4) | 44 071 (16.2) | 16 372 (15.2) | 10 498 (15.4) |
| Third quartile | 249 427 (23.8) | 76 389 (24.3) | 68 161 (23.8) | 63 783 (23.5) | 25 271 (23.5) | 15 823 (23.3) |
| Fourth quartile (high) | 408 160 (38.9) | 113 819 (36.2) | 113 098 (39.5) | 108 198 (39.8) | 44 645 (41.5) | 28 400 (41.8) |
| Body mass index, kg/m2 | ||||||
| <18.5 | 22 048 (2.1) | 9711 (3.1) | 5577 (1.9) | 4673 (1.7) | 1283 (1.2) | 804 (1.2) |
| 18.5–24.9 | 564 649 (53.9) | 168 182 (53.4) | 153 019 (53.4) | 148 521 (54.7) | 57 806 (53.8) | 37 121 (54.6) |
| 25–29.9 | 402 898 (38.4) | 117 158 (37.2) | 111 150 (38.8) | 104 451 (38.4) | 43 032 (40.0) | 27 107 (39.9) |
| ≥30 | 58 907 (5.6) | 19 764 (6.3) | 16 780 (5.9) | 14 016 (5.2) | 5366 (5.0) | 2981 (4.4) |
| Hypertension, mm Hg | ||||||
| SBP <120 | 159 754 (15.2) | 45 637 (14.5) | 45 719 (16.0) | 42 072 (15.5) | 16 387 (15.2) | 9939 (14.6) |
| SBP 120–139 | 249 944 (23.8) | 72 846 (23.1) | 68 337 (23.9) | 65 573 (24.1) | 26 339 (24.5) | 16 849 (24.8) |
| Hypertension or SBP ≥140 | 638 804 (60.9) | 196 332 (62.4) | 172 470 (60.2) | 164 016 (60.4) | 64 761 (60.3) | 41 225 (60.6) |
| Diabetes, mg/dL | ||||||
| FBG <100 | 521 446 (49.7) | 156 593 (49.7) | 145 332 (50.7) | 134 919 (49.7) | 52 555 (48.9) | 32 047 (47.1) |
| FBG 100–125 | 291 512 (27.8) | 86 737 (27.6) | 79 462 (27.7) | 75 677 (27.9) | 30 761 (28.6) | 18 875 (27.8) |
| Diabetes or FBG ≥126 | 235 544 (22.5) | 71 485 (22.7) | 61 732 (21.5) | 61 065 (22.5) | 24 171 (22.5) | 17 091 (25.1) |
| COPD | ||||||
| No | 924 361 (88.2) | 274 490 (87.2) | 253 021 (88.3) | 240 868 (88.7) | 95 612 (89.0) | 60 370 (88.8) |
| Yes | 124 141 (11.8) | 40 325 (12.8) | 33 505 (11.7) | 30 793 (11.3) | 11 875 (11.0) | 7643 (11.2) |
| History of admission attributable to lower respiratory tract infection | ||||||
| No | 104 0315 (99.2) | 311 186 (98.8) | 284 515 (99.3) | 269 989 (99.4) | 106 989 (99.5) | 67 636 (88.8) |
| Yes | 8187 (0.8) | 3629 (1.2) | 2011 (0.7) | 1672 (0.6) | 498 (0.5) | 377 (0.6) |
| Frequency of moderate to vigorous physical activity | ||||||
| 0 Times/wk | 593 388 (56.6) | 314 815 (100.0) | 175 863 (61.4) | 102 710 (37.8) | 0 (0.0) | 0 (0.0) |
| 1–2 Times/wk | 136 054 (13.0) | 0 (0.0) | 94 286 (32.9) | 41 768 (15.4) | 0 (0.0) | 0 (0.0) |
| 3–4 Times/wk | 114 752 (10.9) | 0 (0.0) | 16 377 (5.7) | 88 725 (32.7) | 9650 (9.0) | 0 (0.0) |
| ≥5 Times/wk | 204 308 (19.5) | 0 (0.0) | 0 (0.0) | 38 458 (14.2) | 97 837 (91.0) | 68 013 (100.0) |
Data are expressed as mean±SD or number (percentage). COPD indicates chronic obstructive pulmonary disease; FBG, fasting blood glucose; MET, metabolic equivalents of task; and SBP, systolic blood pressure.