Table 2 Subject participation by HTLV status and baseline characteristics
From: Determinants of subject visit participation in a prospective cohort study of HTLV infection
Characteristic (N)a | Participated in All Follow-up N (%) N = 233(17) | Participated in Some Follow-up N (%) N = 1020(76) | Participated in Baseline onlyb N (%) N = 88(7) | Total N (100%)c N = 1341 | P |
|---|---|---|---|---|---|
Viral status (1341) | 0.07 | ||||
HTLV-I | 30 (19) | 110 (71) | 15 (10) | 155 | |
HTLV-II | 70 (18) | 285 (74) | 32 (8) | 387 | |
HTLV-Negative | 133 (17) | 625 (78) | 41 (5) | 799 | |
Gender (1341) | 0.15 | ||||
Male | 59 (15) | 313 (78) | 31 (8) | 403 | |
Female | 174 (18) | 707 (75) | 59 (6) | 938 | |
Age (1341) | 0.25 | ||||
18–29 | 15 (15) | 77 (76) | 9 (9) | 101 | |
30–39 | 74 (17) | 320 (75) | 35 (8) | 429 | |
40–49 | 92 (20) | 351 (74) | 31 (6) | 471 | |
50–59 | 28 (14) | 165 (81) | 10 (5) | 202 | |
≥ 60 | 24 (17) | 109 (79) | 5 (4) | 138 | |
Race/Ethnicity (1330) | 0.01 | ||||
White | 80 (16) | 402 (79) | 24 (5) | 506 | |
Black | 94 (21) | 298 (70) | 39 (9) | 428 | |
Hispanic | 38 (14) | 211 (80) | 16 (6) | 265 | |
Asian | 8 (10) | 62 (82) | 6 (8) | 76 | |
Other | 11 (21) | 37 (71) | 4 (8) | 52 | |
Education (1340) | 0.05 | ||||
High school or less | 70 (20) | 252 (71) | 34 (9) | 356 | |
Some college | 103 (17) | 465 (77) | 37 (6) | 604 | |
Bachelor's degree | 43 (18) | 192 (79) | 10 (4) | 244 | |
Master's or professional degree | 17 (12) | 112 (82) | 7 (5) | 136 | |
Annual income (1328) | 0.03 | ||||
<$10,000 | 11 (13) | 62 (75) | 10 (12) | 83 | |
$10,000–29,999 | 69 (20) | 248 (71) | 31 (9) | 348 | |
$30,000–49,999 | 68 (16) | 316 (77) | 27 (6) | 411 | |
$50,000–74,999 | 50 (17) | 236 (77) | 14 (5) | 300 | |
≥ $75,000 | 31 (17) | 150 (81) | 5 (3) | 186 | |
Health status (1341) | 0.02 | ||||
Excellent | 65 (15) | 347 (78) | 32 (7) | 444 | |
Very good | 92 (18) | 383 (77) | 25 (5) | 500 | |
Good | 57 (18) | 235 (76) | 19 (6) | 311 | |
Fair & Poor | 19 (22) | 55 (64) | 12 (14) | 86 | |
Ever used IV drugs (1338) | 0.21 | ||||
Yes | 17 (16) | 76 (73) | 11 (11) | 104 | |
No | 216 (18) | 942 (76) | 76 (6) | 1234 | |
Site (1341) | <.001 | ||||
Chesapeake | 68 (33) | 125 (61) | 12 (6) | 205 | |
Detroit | 27 (16) | 129 (75) | 17 (9) | 173 | |
Los Angeles | 59 (10) | 501 (84) | 35 (6) | 595 | |
Oklahoma City | 27 (24) | 82 (72) | 4 (4) | 113 | |
San Francisco | 52 (20) | 183 (72) | 20 (8) | 255 |