Characteristic | All participants, n=6536 (100.0%) | Participants who reported an infection at any examination, n=3167 (48.5%) | Participants who reported no infection at all examinations, n=3369 (51.5%) |
Age (years), mean (SD) | 62.0 (10.2) | 61.2 (10.1) | 62.8 (10.3) |
Race | |||
White | 2516 (38.5) | 1157 (36.5) | 1359 (40.3) |
Chinese-American | 787 (12.0) | 332 (10.5) | 455 (13.5) |
African-American | 1786 (27.3) | 898 (28.4) | 888 (26.4) |
Hispanic | 1447 (22.1) | 780 (24.6) | 667 (19.8) |
Sex | |||
Female | 3445 (52.7) | 1765 (55.7) | 1680 (49.9) |
Male | 3091 (47.3) | 1402 (44.3) | 1689 (50.1) |
Education level | |||
Less than high school | 1169 (17.9) | 585 (18.5) | 584 (17.3) |
High school | 1187 (18.2) | 570 (18.0) | 617 (18.3) |
Some college or technical certificate | 1858 (28.4) | 905 (28.6) | 953 (28.3) |
College or graduate degree | 2322 (35.5) | 1107 (35.0) | 1215 (36.1) |
Married/living with a partner | 3947 (60.4) | 1850 (58.4) | 2097 (62.2) |
Body mass index, mean (SD) | 28.3 (5.5) | 28.7 (5.6) | 28.0 (5.3) |
Ever smoked | 3485 (53.3) | 1697 (53.6) | 1788 (53.1) |
Current smoker | 741 (11.4) | 414 (13.1) | 327 (9.8) |
Employed | 2838 (43.4) | 1429 (45.1) | 1409 (41.8) |
Annual family income | |||
<$20 000 | 1597 (24.6) | 789 (25.1) | 808 (24.2) |
$20 000–$39 999 | 1756 (27.1) | 880 (28.0) | 876 (26.2) |
$40 000–$74 999 | 1653 (25.5) | 816 (26.0) | 837 (25.1) |
≥$75 000 | 1474 (22.7) | 654 (20.8) | 820 (24.5) |
Own home or pay mortgage | 4413 (67.7) | 2045 (64.8) | 2368 (70.5) |
Excellent self-reported general health status | 1465 (46.9) | 639 (44.1) | 826 (49.3) |
No health insurance | 464 (7.2) | 233 (7.4) | 231 (6.9) |
On medicaid | 616 (9.5) | 304 (9.7) | 312 (9.3) |
Diabetic per ADA 2003 criteria | 1052 (16.1) | 537 (17.0) | 515 (15.3) |
Has metabolic syndrome | 2485 (38.0) | 1235 (39.0) | 1250 (37.1) |
Moderate and vigorous physical activity, met minutes/week, median (IQR) | 3870 (1950–7080) | 4065 (2018–7328) | 3765 (1905–6840) |
Intentional physical activity, met minutes/week, median (IQR) | 810 (105–1950) | 788 (88–1875) | 840 (158–2085) |
Self-reported emphysema | 73 (1.1) | 42 (1.3) | 31 (0.9) |
Self-reported asthma | 253 (3.9) | 142 (4.5) | 111 (3.3) |
*Units are n (%) unless otherwise specified.
ADA, American Diabetic Association.