Skip to main content

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  
  1. a Not all subjects answered every question; the number who did is listed with each characteristic. Percents may not add to 100 because of rounding, and are based on those answering the question.
  2. bThese subjects provided data at baseline (Visit1) only.
  3. c The total represents all who answered the question.