Table 1 Characteristics of HTLV mortality cohort study population at baseline showing number (percent) in each category, except as indicated.
From: Increased mortality associated with HTLV-II infection in blood donors: a prospective cohort study
Characteristics | HTLV-I (n = 138) | HTLV-II (n = 358) | HTLV negative (n = 759) |
|---|---|---|---|
Age in years (mean (range)) | 46 (19–78) | 42 (18–78) | 44 (18–79) |
Sex | |||
Female | 98 (71.0) | 266 (74.3) | 516 (68.0) |
Male | 40 (29.0) | 92 (25.7) | 243 (32.0) |
Race/Ethnicity | |||
Black | 56 (40.6) | 115 (32.1) | 229 (30.2) |
White | 53 (38.4) | 134 (37.4) | 299 (39.4) |
Other | 29 (21.0) | 109 (30.4) | 231 (30.4) |
Education | |||
≤ high school | 44 (31.9) | 139 (38.8) | 137 (18.1) |
Some college | 61 (44.2) | 167 (46.6) | 342 (45.1) |
≥ college | 33 (23.9) | 52 (14.5) | 280 (36.9) |
Income | |||
<$40 k | 70 (50.7) | 222 (62.0) | 322 (42.4) |
>$40 k | 68 (49.3) | 136 (38.0) | 437 (57.6) |
Donation type | |||
Autologous | 24 (17.4) | 34 (9.5) | 103 (13.6) |
Allogeneic | 114 (82.6) | 324 (90.5) | 656 (86.4) |
IDU | |||
Lifetime (past) | 2 (1.5) | 73 (20.4) | 8 (1.1) |
Never | 132 (95.7) | 260 (72.6) | 730 (96.2) |
Current | 0 (0.0) | 3 (0.8) | 1 (0.1) |
Missing | 4 (2.9) | 22 (6.1) | 20 (2.6) |
Smoking history (pack/year) | |||
Non-smoker | 67 (48.6) | 122 (34.1) | 403 (53.1) |
1–15 | 29 (21.0) | 120 (33.5) | 190 (25.0) |
>15 | 38 (27.5) | 91 (25.4) | 146 (19.2) |
Missing | 4 (2.9) | 25 (7.0) | 20 (2.6) |
Alcohol intake (avg # drinks/week) | |||
Mean (S.D.) | 4.8 (12.2) | 10.7 (30.4) | 4.7 (12.9) |
Non-drinker | 17 (12.3) | 19 (5.3) | 67 (8.8) |
1–14 | 109 (79.0) | 268 (74.9) | 620 (81.7) |
>14 | 9 (6.5) | 50 (14.0) | 52 (6.9) |
Missing | 3 (2.2) | 21 (5.9) | 20 (2.6) |
HCV Serology | |||
Positive | 6 (4.3) | 68 (19.0) | 8 (1.1) |
Negative | 120 (87.0) | 253 (70.7) | 747 (98.4) |
Not available | 12 (8.7) | 37 (10.3) | 4 (0.5) |
Blood center region | |||
Baltimore/Washington | 28 (20.3) | 49 (13.7) | 118 (15.5) |
Detroit | 25 (18.1) | 32 (8.9) | 98 (12.9) |
Southern California | 43 (31.2) | 193 (53.9) | 325 (42.8) |
San Francisco | 28 (20.3) | 62 (17.3) | 145 (19.1) |
Oklahoma | 14 (10.1) | 22 (6.1) | 73 (9.6) |