Table 1.
Characteristics of the study population. *
| Characteristic | Overall | History of Blood Donation in the Past 12 Mo. | ||||||
|---|---|---|---|---|---|---|---|---|
| No | Yes | |||||||
| No. | % (SE) | No. | % (SE) | No. | % (SE) | |||
| Total | 28,739 | - | 27,062 | - | 1,677 | - | ||
| Age group, years | ||||||||
| 18–24 | 2,708 | 12.2 (0.3) | 2,432 | 11.8 (0.3) | 276 | 17.9 (1.4) | ||
| 25–29 | 2,276 | 9.1 (0.3) | 2,120 | 9.1 (0.3) | 156 | 9.8 (1.1) | ||
| 30–39 | 4,628 | 18.0 (0.3) | 4,316 | 17.9 (0.3) | 312 | 19.5 (1.3) | ||
| 40–49 | 4,204 | 16.7 (0.3) | 3,960 | 16.7 (0.3) | 244 | 16.5 (1.1) | ||
| 50–59 | 4,980 | 17.5 (0.3) | 4,649 | 17.4 (0.3) | 331 | 19.0 (1.2) | ||
| 60–69 | 5,144 | 14.8 (0.3) | 4,880 | 14.8 (0.3) | 264 | 13.4 (1.0) | ||
| ≥70 | 4,799 | 11.8 (0.2) | 4,705 | 12.3 (0.3) | 94 | 3.9 (0.5) | ||
| Sex | ||||||||
| Female | 15,638 | 51.5 (0.4) | 14,798 | 51.8 (0.4) | 840 | 46.5 (1.6) | ||
| Male | 13,101 | 48.5 (0.4) | 12,264 | 48.2 (0.4) | 837 | 53.5 (1.6) | ||
| Race/ethnicity | ||||||||
| Non-Hispanic white | 20,361 | 65.4 (0.9) | 19,009 | 64.5 (0.9) | 1,352 | 79.3 (1.5) | ||
| Non-Hispanic Black | 3,111 | 11.9 (0.5) | 2,988 | 12.1 (0.5) | 123 | 8.1 (0.9) | ||
| Non-Hispanic Asian | 1,465 | 6.0 (0.3) | 1,400 | 6.1 (0.3) | 65 | 3.5 (0.6) | ||
| Hispanic | 3,361 | 15.8 (0.7) | 3,240 | 16.2 (0.7) | 121 | 8.4 (1.1) | ||
| Other/multiracial | 441 | 1.0 (0.1) | 425 | 1.0 (0.1) | 16 | 0.7 (0.2) | ||
| Birthplace | ||||||||
| Foreign-born | 4,028 | 18.4 (0.6) | 3,909 | 19.0 (0.6) | 119 | 7.8 (0.9) | ||
| U.S.-born | 24,711 | 81.6 (0.6) | 23,153 | 81.0 (0.6) | 1,558 | 92.2 (0.9) | ||
| Census region | ||||||||
| Northeast | 4,802 | 18.0 (0.8) | 4,546 | 18.1 (0.8) | 256 | 14.9 (1.2) | ||
| Midwest | 6,471 | 22.5 (0.6) | 6,016 | 22.1 (0.7) | 455 | 28.9 (1.7) | ||
| South | 9,918 | 35.5 (1.1) | 9,363 | 35.4 (1.1) | 555 | 37.5 (1.9) | ||
| West | 7,548 | 24.1 (0.9) | 7,137 | 24.4 (1.0) | 411 | 18.8 (1.4) | ||
| Educational attainment | ||||||||
| Less than H.S. | 3,393 | 11.9 (0.3) | 3,313 | 12.3 (0.4) | 80 | 5.4 (0.8) | ||
| H.S. graduate or GED | 7,063 | 24.5 (0.4) | 6,788 | 25.0 (0.5) | 275 | 17.6 (1.3) | ||
| Some college | 5,848 | 19.8 (0.4) | 5,439 | 19.6 (0.4) | 409 | 22.8 (1.3) | ||
| College graduate | 12,435 | 43.8 (0.6) | 11,522 | 43.2 (0.6) | 913 | 54.1 (1.7) | ||
| Employment status in past 12 months | ||||||||
| Unemployed | 10,170 | 31.0 (0.4) | 9,894 | 32.0 (0.4) | 276 | 15.1 (1.2) | ||
| Employed | 18,569 | 69.0 (0.4) | 17,168 | 68.0 (0.4) | 1,401 | 84.9 (1.2) | ||
| Annual family income, $ | ||||||||
| <50,000 | 14,372 | 41.7 (0.6) | 13,717 | 42.3 (0.6) | 655 | 31.9 (1.5) | ||
| 50,000–99,999 | 8,077 | 30.1 (0.4) | 7,563 | 30.0 (0.4) | 514 | 32.6 (1.6) | ||
| ≥100,000 | 6,290 | 28.2 (0.6) | 5,782 | 27.7 (0.6) | 508 | 35.5 (1.6) | ||
| Marital status | ||||||||
| Never married | 6,638 | 22.4 (0.4) | 6,147 | 22.1 (0.4) | 491 | 26.4 (1.5) | ||
| Married/living with partner | 14,522 | 61.0 (0.5) | 13,644 | 61.0 (0.5) | 878 | 61.5 (1.6) | ||
| Separated/divorced/widowed | 7,579 | 16.6 (0.3) | 7,271 | 16.9 (0.3) | 308 | 12.1 (0.9) | ||
| Sexual orientation | ||||||||
| Straight | 27,642 | 96.3 (0.2) | 26,024 | 96.3 (0.2) | 1,618 | 96.2 (0.7) | ||
| Gay/lesbian/bisexual | 781 | 2.6 (0.1) | 738 | 2.6 (0.1) | 43 | 2.8 (0.6) | ||
| Other identity † | 316 | 1.1 (0.1) | 300 | 1.1 (0.1) | 16 | 1.0 (0.4) | ||
| Cigarette smoking status | ||||||||
| Never | 16,883 | 62.1 (0.5) | 15,787 | 61.7 (0.5) | 1,096 | 67.9 (1.5) | ||
| Former | 7,101 | 22.2 (0.4) | 6,742 | 22.3 (0.4) | 359 | 19.9 (1.2) | ||
| Current | 4,755 | 15.7 (0.4) | 4,533 | 15.9 (0.4) | 222 | 12.2 (1.0) | ||
| Alcohol drinking status | ||||||||
| Non-drinker | 13,192 | 45.0 (0.5) | 12,631 | 45.8 (0.5) | 561 | 32.8 (1.5) | ||
| Drinker | 15,547 | 55.0 (0.5) | 14,431 | 54.2 (0.5) | 1,116 | 67.2 (1.5) | ||
| Leisure time aerobic activity level | ||||||||
| 0 minutes/week | 7,892 | 26.6 (0.6) | 7,666 | 27.3 (0.6) | 226 | 13.9 (1.2) | ||
| >0 and <150 minutes/week | 5,957 | 20.8 (0.4) | 5,664 | 21.0 (0.4) | 293 | 16.8 (1.2) | ||
| ≥ 150 and ≤ 300 minutes/week | 4,771 | 16.9 (0.3) | 4,472 | 16.8 (0.4) | 299 | 17.9 (1.2) | ||
| >300 minutes/week | 10,119 | 35.8 (0.5) | 9,260 | 34.9 (0.5) | 859 | 51.4 (1.7) | ||
*
Data are unweighted sample sizes (No.) of the analytic sample and corresponding weighted column percentages and design-corrected standard errors (SE).
†
Includes persons who reported “something else” and “I don’t know”.