Table 1 Characteristics of the HOST study sample at baseline by HTLV status, 1990–1992
From: Determinants of subject visit participation in a prospective cohort study of HTLV infection
Characteristic (N) | HTLV-I N (%) N = 155 | HTLV-II N (%) N = 387 | HTLV-Negative N (%) N = 799 | Total N (%) N = 1341 |
|---|---|---|---|---|
Gender (1341) | ||||
Male | 44 (28) | 102 (26) | 257 (32) | 403 (30) |
Female | 111 (72) | 285 (74) | 542 (68) | 938 (70) |
Age (1341) | ||||
18–29 | 10 (6) | 23 (6) | 68 (8) | 101 (8) |
30–39 | 31 (20) | 157 (41) | 241 (30) | 429 (32) |
40–49 | 66 (43) | 136 (35) | 269 (34) | 471 (35) |
50–59 | 22 (14) | 49 (13) | 131 (17) | 202 (15) |
≥ 60 | 26 (17) | 22 (6) | 90 (11) | 138 (10) |
Race/Ethnicity (1327) | ||||
White | 59 (39) | 138 (36) | 309 (39) | 506 (38) |
Black | 61 (40) | 124 (32) | 243 (31) | 428 (32) |
Hispanic | 9 (6) | 104 (27) | 152 (19) | 265 (20) |
Asian | 20 (13) | 6 (2) | 50 (6) | 76 (6) |
Other | 3 (2) | 10 (3) | 39 (5) | 52 (4) |
Education (1340) | ||||
High school or less | 54 (35) | 155 (40) | 147 (18) | 356 (27) |
Some college | 63 (41) | 179 (46) | 362 (45) | 604 (45) |
Bachelor's degree | 25 (16) | 40 (10) | 179 (23) | 244 (18) |
Master's or professional degree | 12 (8) | 13 (3) | 111 (14) | 136 (10) |
Annual income (1328) | ||||
<$10,000 | 13 (8) | 40 (10) | 30 (4) | 83 (6) |
$10,000–29,999 | 645 (30) | 130 (34) | 173 (22) | 348 (26) |
$30,000–49,999 | 47 (31) | 121 (31) | 243 (31) | 411 (31) |
$50,000–74,999 | 29 (19) | 67 (17) | 204 (26) | 300 (23) |
≥ $75,000 | 18 (12) | 26 (7) | 142 (18) | 186 (14) |
Health status (1341) | ||||
Excellent | 87 (22) | 313 (39) | 44 (28) | 444 (33) |
Very good | 129 (33) | 329 (41) | 42 (27) | 500 (37) |
Good | 118 (30) | 139 (17) | 54 (35) | 311 (23) |
Fair & Poor | 53 (14) | 18 (2) | 15 (10) | 84 (6) |
Ever used injection drugs (1338) | ||||
No | 152 (99) | 294 (76) | 788 (99) | 1234 (92) |
Yes | 2 (1) | 92 (24) | 10 (1) | 104 (8) |
Site (1341) | ||||
Chesapeake | 32 (21) | 51 (13) | 122 (15) | 205 (15) |
Detroit | 32 (21) | 39 (10) | 102 (13) | 173 (13) |
Los Angeles | 44 (28) | 206 (53) | 345 (43) | 595 (44) |
Oklahoma City | 16 (10) | 23 (6) | 74 (9) | 113 (8) |
San Francisco | 31 (20) | 68 (18) | 156 (20) | 255 (19) |