Table 2.
s.d., Standard deviation; OR, odds ratio; CI, confidence interval; HAM/TSP, HTLV-1-associated myelopathy/tropical spastic paraparesis.
Generalized estimating equation including the following variables: HTLV-1 infection, age, ethnicity, transfusion history, relation to the index case, reason for HTLV test of index case and family code.
Data are presented as absolute numbers and percentages (within parentheses), except for age, which is expressed as mean±s.d. in years.
OR per 10-year age increase.
Data of some relatives were missing; percentages were calculated on available data.
Other: 29 grandchildren, 3 grandparents, 15 uncles/aunts, 20 nephews/nieces, 17 cousins, 23 siblings by marriage, 18 stepchildren, 15 parents by marriage, 21 more distant relations.