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Volume 10, Number 1—January 2004

Research

Respiratory and Urinary Tract Infections, Arthritis, and Asthma Associated with HTLV-I and HTLV-II Infection

Edward L. Murphy*, Baoguang Wang†, Ronald A. Sacher‡, Joy Fridey§, James W. Smith¶, Catharie C. Nass#, Bruce Newman**, Helen E. Ownby**, George Garratty††, Sheila T. Hutching††, and George B. Schreiber†
Author affiliations: *University of California San Francisco, California, USA; †Westat, Rockville, Maryland, USA; ‡Hoxworth Blood Center, Cincinnati, Ohio, USA; §Blood Bank of San Bernardino and Riverside Counties, San Bernardino, California, USA; ¶Oklahoma Blood Institute, Oklahoma City, Oklahoma, USA; #American Red Cross Blood Services Chesapeake and Potomac, Baltimore, Maryland, USA; **American Red Cross Blood Services Southeastern Michigan, Detroit, Michigan, USA; ††American Red Cross Blood Services Southern California, Los Angeles, California, USA

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Table 1

Characteristics of the multicenter, prospective human T-lymphotropic virus (HTLV) cohort study populationa

Characteristics HTLV-I(n = 152) HTLV-II(n = 387) HTLV negative(n = 799)
Age (y) No. (%) No. (%) No. (%)
  18–29 5 (3) 11 (3) 34 (4)
  30–39 28 (18) 104 (27) 171 (21)
  40–49 55 (36) 168 (43) 288 (36)
  50–59 32 (21) 73 (19) 175 (22)
  >60 32 (21) 31 (8) 131 (16)
Sex
  Male 43 (28) 102 (26) 257 (32)
  Female 109 (72) 285 (74) 542 (68)
Race/ethnicity
  Asian 20 (13) 8 (2) 60 (8)
  Black 61 (40) 125 (32) 248 (31)
  Hispanic 9 (6) 104 (27) 150 (19)
  Other 1 (1) 7 (2) 30 (4)
  White 59 (39) 140 (36) 309 (39)
  Unknown 2 (1) 3 (1) 2 (0)
Education
  High school or less 45 (30) 135 (35) 129 (16)
  Some college 66 (43) 195 (51) 363 (46)
  College 30 (20) 45 (12) 181 (23)
  College (>4 years) 11 (7) 11 (3) 123 (15)
Income
  <$30,000 46 (30) 144 (38) 167 (21)
  $30,000–49,999 51 (34) 120 (32) 221 (28)
  >$50,000 55 (36) 113 (30) 401 (51)
Center
  1 32 (21) 51 (13) 122 (15)
  2 29 (19) 39 (10) 102 (13)
  3 44 (29) 206 (53) 345 (43)
  4 31 (20) 68 (18) 156 (20)
  5 16 (11) 23 (6) 74 (9)
Blood donor type
  Autologous 28 (18) 39 (10) 111 (14)
  Allogeneic 124 (82) 348 (90) 688 (86)
Smoking history (pack/y)
  Nonsmoker 74 (52) 125 (36) 413 (54)
  0–13 24 (17) 117 (33) 184 (24)
  >13 43 (31) 109 (31) 174 (23)
Alcohol intake 
(average drinks per wk)
  Nondrinker 19 (13) 20 (6) 70 (9)
  0–1 58 (41) 134 (38) 352 (46)
  >1 64 (45) 200 (57) 339 (45)
Lifetime sex partners
  <6 56 (38) 87 (23) 381 (49)
  >6 92 (62) 292 (77) 403 (51)
Injection drug use
  Ever 148 (98) 294 (76) 787 (99)
  Ex-injection drug user 2 (1) 75 (19) 9 (1)
  Current injection drug user 1 (1) 17 (4) 1 (0)

aMissing data (up to 6%, depending upon the variable) were excluded from the calculation of percentages.

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