Table 2.
Demographic and health-related characteristics of clients tested for hepatitis B at standalone San Francisco Hep B Free sites
| Characteristic | Total (N = 4,427) | Hepatitis B infection status | P-value | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Immune (anti-HBs+, HBsAg−) (N = 2,227) | Susceptible (anti-HBs−, HBsAg−) (N = 1,962) | Infected (HBsAg+) (N = 238) | |||||||
| Age (years) | |||||||||
| <18 | 22 | 0% | 15 | 1% | 7 | 0% | 0 | 0% | |
| 18–30 | 1,496 | 34% | 964 | 43% | 474 | 24% | 58 | 24% | |
| 31–40 | 585 | 13% | 259 | 12% | 290 | 15% | 36 | 15% | |
| 41–50 | 642 | 15% | 244 | 11% | 350 | 18% | 48 | 20% | |
| 51–60 | 941 | 21% | 418 | 19% | 461 | 24% | 62 | 26% | |
| 61+ | 731 | 17% | 325 | 15% | 373 | 19% | 33 | 14% | <0.0001 |
| Median (range) | 42 (9–108) | 36 (11–108) | 47 (9–11) | 45 (18–84) | <0.0001 | ||||
| Sex | |||||||||
| Female | 2,690 | 61% | 1,408 | 64% | 1,169 | 60% | 113 | 47% | |
| Male | 1,713 | 39% | 806 | 36% | 782 | 40% | 125 | 53% | <0.0001 |
| Race/ethnicity | |||||||||
| Asian/Pacific Islander | 3,467 | 80% | 1,801 | 82% | 1,442 | 75% | 224 | 95% | |
| Chinese | 2,388 | 55% | 1,229 | 56% | 987 | 51% | 172 | 73% | |
| Filipino | 402 | 9% | 215 | 10% | 174 | 9% | 13 | 6% | |
| Vietnamese | 239 | 5% | 138 | 6% | 76 | 4% | 25 | 11% | |
| Korean | 131 | 3% | 83 | 4% | 43 | 2% | 5 | 2% | |
| Japanese | 130 | 3% | 42 | 2% | 88 | 5% | 0 | 0% | |
| Other Asian | 152 | 3% | 82 | 4% | 61 | 3% | 9 | 4% | |
| Pacific Islander | 25 | 1% | 12 | 1% | 13 | 1% | 0 | 0% | |
| Caucasian | 408 | 9% | 178 | 8% | 226 | 12% | 4 | 2% | |
| Hispanic/Latino | 265 | 6% | 121 | 6% | 144 | 8% | 0 | 0% | |
| Black/African American | 71 | 2% | 30 | 1% | 38 | 2% | 3 | 1% | |
| American Indian/Alaska Native | 31 | 1% | 13 | 1% | 16 | 1% | 2 | 1% | |
| Other/Multiracial | 78 | 2% | 36 | 2% | 40 | 2% | 2 | 1% | |
| Unknown | 26 | 1% | 14 | 1% | 12 | 1% | 0 | 0% | <0.0001 |
| Region of birth | |||||||||
| East Asia | 1,877 | 43% | 976 | 45% | 754 | 39% | 147 | 63% | |
| North America | 1,405 | 32% | 701 | 32% | 689 | 36% | 15 | 6% | |
| Southeast Asia/Pacific Islands | 843 | 19% | 424 | 19% | 356 | 18% | 63 | 27% | |
| Central Asia/South Asia/Middle East | 65 | 1% | 30 | 1% | 29 | 2% | 6 | 3% | |
| Central America/Caribbean/South America | 99 | 2% | 29 | 1% | 70 | 4% | 0 | 0% | |
| Europe | 43 | 1% | 20 | 1% | 23 | 1% | 0 | 0% | |
| Africa | 25 | 1% | 11 | 1% | 11 | 1% | 3 | 1% | <0.0001 |
| Mother’s region of birth | |||||||||
| East Asia | 1,965 | 57% | 1,007 | 58% | 819 | 54% | 139 | 71% | |
| North America | 434 | 13% | 189 | 11% | 244 | 16% | 1 | 1% | |
| Southeast Asia/Pacific Islands | 825 | 24% | 443 | 26% | 332 | 22% | 50 | 25% | |
| Central Asia/South Asia/Middle East | 57 | 2% | 27 | 2% | 25 | 2% | 5 | 3% | |
| Central America/Caribbean/South America | 99 | 3% | 36 | 2% | 63 | 4% | 0 | 0% | |
| Europe | 38 | 1% | 15 | 1% | 23 | 2% | 0 | 0% | |
| Africa | 23 | 1% | 13 | 1% | 8 | 1% | 2 | 1% | <0.0001 |
| Father’s region of birth | |||||||||
| East Asia | 2,010 | 59% | 1,013 | 59% | 852 | 57% | 145 | 74% | |
| North America | 425 | 12% | 198 | 12% | 225 | 15% | 2 | 1% | |
| Southeast Asia/Pacific Islands | 762 | 22% | 416 | 24% | 303 | 20% | 43 | 22% | |
| Central Asia/South Asia/Middle East | 66 | 2% | 33 | 2% | 28 | 2% | 5 | 3% | |
| Central America/Caribbean/South America | 91 | 3% | 34 | 2% | 57 | 4% | 0 | 0% | |
| Europe | 41 | 1% | 18 | 1% | 23 | 2% | 0 | 0% | |
| Africa | 21 | 1% | 9 | 1% | 10 | 1% | 2 | 1% | <0.0001 |
| Number of years in United States (excluding those born in North America) | |||||||||
| 0–5 | 618 | 25% | 336 | 27% | 226 | 22% | 56 | 31% | |
| 6–10 | 390 | 16% | 196 | 16% | 159 | 15% | 35 | 19% | |
| 11–20 | 643 | 26% | 332 | 27% | 268 | 26% | 43 | 23% | |
| 21+ | 804 | 33% | 369 | 30% | 386 | 37% | 49 | 27% | 0.0002 |
| Median (range) | 14 (0–71) | 13 (0–65) | 16 (0–71) | 11 (0–57) | <0.0001 | ||||
| Primary language | |||||||||
| Asian language only | 2,194 | 52% | 1,156 | 54% | 851 | 46% | 187 | 80% | |
| English only | 950 | 22% | 442 | 21% | 498 | 27% | 10 | 4% | |
| Spanish only | 80 | 2% | 28 | 1% | 52 | 3% | 0 | 0% | |
| Other language only | 64 | 2% | 30 | 1% | 28 | 2% | 6 | 3% | |
| Asian + English/other language | 884 | 21% | 448 | 21% | 407 | 22% | 29 | 12% | |
| English + Spanish/other language | 69 | 2% | 42 | 2% | 25 | 1% | 2 | 1% | <0.0001 |
| Ever received shots for hepatitis A | |||||||||
| No | 1,551 | 43% | 667 | 37% | 766 | 48% | 118 | 58% | |
| Yes | 388 | 11% | 232 | 13% | 139 | 9% | 17 | 8% | |
| Not sure | 1,671 | 46% | 919 | 51% | 685 | 43% | 67 | 33% | <0.0001 |
| Ever received shots for hepatitis B | |||||||||
| No | 1,484 | 41% | 588 | 32% | 775 | 48% | 121 | 60% | |
| Yes | 655 | 18% | 450 | 24% | 189 | 12% | 16 | 8% | |
| Not sure | 1,509 | 41% | 804 | 44% | 641 | 40% | 64 | 32% | <0.0001 |
| Ever diagnosed with hepatitis B by a doctor | |||||||||
| No | 2,031 | 80% | 1,010 | 81% | 955 | 84% | 66 | 45% | |
| Yes | 99 | 4% | 34 | 3% | 13 | 1% | 52 | 35% | |
| Not sure | 397 | 16% | 196 | 16% | 172 | 15% | 29 | 20% | <0.0001 |
| Family history of hepatitis B | |||||||||
| No | 2,340 | 64% | 1,141 | 62% | 1,097 | 68% | 102 | 51% | |
| Yes | 283 | 8% | 149 | 8% | 98 | 6% | 36 | 18% | |
| Not sure | 1,021 | 28% | 545 | 30% | 414 | 26% | 62 | 31% | <0.0001 |
| Current health insurance | |||||||||
| No | 1,343 | 37% | 667 | 37% | 569 | 36% | 107 | 52% | |
| Yes | 2,116 | 59% | 1,061 | 59% | 962 | 61% | 93 | 45% | |
| Not Sure | 139 | 4% | 76 | 4% | 57 | 4% | 6 | 3% | 0.0002 |
| Current medical provider | |||||||||
| No | 1,425 | 47% | 781 | 49% | 558 | 44% | 86 | 65% | |
| Yes | 1,393 | 46% | 694 | 44% | 659 | 52% | 40 | 30% | |
| Not sure | 185 | 6% | 117 | 7% | 62 | 5% | 6 | 5% | <0.0001 |