Table 1.
Demographic characteristics of participants, stratified by vaccination status.
|
Characteristics |
Full Initial Series¶ (n=771, 96%) |
Incomplete Initial Series (n=31, 3.9%) |
Boosted (n=455, 57%) |
Not Boosted (n=316, 39%) |
|---|---|---|---|---|
| No. (%) | No. (%) | No. (%) | No. (%) | |
| Age (y), median (IQR) | 50 (34-63) | 40 (30-62) | 56 (40-67) | 41 (30-56) |
| Sex | ||||
| Woman | 360 (47) | 13 (42) | 204 (45) | 156 (49) |
| Man | 403 (52) | 18 (58) | 244 (54) | 159 (50) |
| Other∗ | 8 (1.0) | 0 (0) | 7 (1.5) | 1 (0.3) |
| Race and ethnicity† | ||||
| Asian | 35 (4.5) | 1 (3.2) | 27 (5.9) | 8 (2.5) |
| Black | 193 (25) | 13 (42) | 111 (24) | 82 (26) |
| Hispanic/Latino | 160 (21) | 6 (19) | 85 (19) | 75 (24) |
| Other‡ | 68 (8.8) | 2 (6.5) | 36 (7.9) | 32 (10) |
| White | 315 (41) | 9 (29) | 196 (43) | 119 (38) |
| Site | ||||
| Duke | 143 (19) | 7 (23) | 101 (22) | 42 (13) |
| Jefferson | 149 (19) | 1 (3.2) | 98 (22) | 51 (16) |
| Parnassus | 147 (19) | 3 (9.7) | 114 (25) | 33 (10) |
| Zuckerberg | 192 (25) | 9 (29) | 120 (26) | 72 (23) |
| Harborview | 140 (18) | 11 (35) | 22 (4.8) | 118 (37) |
| Primary language | ||||
| English | 627 (81) | 25 (81) | 370 (81) | 257 (81) |
| Spanish | 106 (14) | 4 (13) | 59 (13) | 47 (15) |
| Other | 38 (4.9) | 2 (6.5) | 26 (5.7) | 12 (3.8) |
| Education | ||||
| High school or less | 286 (37) | 22 (71) | 139 (31) | 147 (47) |
| Some college | 165 (21) | 4 (13) | 100 (22) | 65 (21) |
| College degree | 205 (27) | 2 (6.5) | 126 (28) | 79 (25) |
| Graduate or professional | 102 (13) | 2 (6.5) | 84 (18) | 18 (5.7) |
| Preferred not to answer | 13 (1.7) | 1 (3.2) | 6 (1.3) | 7 (2.2) |
| Experiencing homelessness | ||||
| No | 712 (92) | 19 (61) | 437 (96) | 275 (87) |
| Yes | 56 (7.3) | 12 (39) | 17 (3.7) | 39 (12) |
| Preferred not to answer | 3 (0.4) | 0 (0) | 1 (0.2) | 2 (0.6) |
| Insurance status | ||||
| Private | 281 (36) | 8 (26) | 178 (39) | 103 (33) |
| Medicare | 201 (26) | 6 (19) | 139 (31) | 62 (20) |
| Medicaid | 154 (20) | 9 (29) | 74 (16) | 80 (25) |
| Other § | 61 (7.9) | 2 (6.5) | 36 (7.9) | 25 (7.9) |
| Uninsured | 53 (6.9) | 1 (3.2) | 20 (4.4) | 33 (10) |
| Unsure | 21 (2.7) | 5 (16) | 8 (1.8) | 13 (4.1) |
| Political party affiliation | ||||
| Democrat | 260 (34) | 5 (16) | 186 (41) | 74 (23) |
| Republican | 66 (8.6) | 2 (6.5) | 35 (7.7) | 31 (9.8) |
| Independent | 75 (9.7) | 3 (9.7) | 50 (11) | 25 (7.9) |
| Other װ | 370 (48) | 21 (68) | 184 (40) | 186 (59) |
| Have primary care | ||||
| Yes | 593 (77) | 17 (55) | 383 (84) | 210 (66) |
| No | 169 (22) | 13 (42) | 70 (15) | 99 (31) |
| Unknown/Unsure | 9 (1.2) | 1 (3.2) | 2 (0.4) | 7 (2.2) |
IQR, interquartile range.
“Other” included transgender men, transgender women, genderqueer/gender nonbinary, and those who preferred not to answer.
Assessed with 1 “check all that apply” question in which research assistants checked all the choices participants answered.
“Other” included Middle Eastern, Native Hawaiian/Pacific Islander, Native American/American Indian, Alaska Native, other____, and those who preferred not to answer.
“Other” included Affordable Care Act/ObamaCare, Kaiser Permanente, Veterans Administration, and Healthy San Francisco.
“Other” included other____, none/unaffiliated/I am not interested in politics, do not know, and those who preferred not to answer.
Full initial series is defined as the receipt of 2 doses of a messenger ribonucleic acid series or 1 dose of a single-dose vaccine.