Demographic, behavioural and clinical information of 49 HIV-1 concordant couples included in the study.

Data are median (interquartile range) values or n (%) when indicated. an = 49 for variables for which husbands in 4 polygamous partnerships were asked to report separately for each wife. bOther nationalities were Mali, Mauretania, Guinea or Guinea-Bissau. cRegion<200 km from Dakar. dOther ethnicities were Bambara or Diola. eAt least one year of education in the specified grade. fMann-Whitney U test was used to compare independent continuous data. gChi-square or Fisher's exact test was used to compare independent proportional data. hWilcoxon signed rank test was used to compare paired continuous data. iMcNemar test was used to compare paired proportional data.