Community exposures and high risk habits among acute hepatitis C cases and controls sex- and ±1 year age-matched, Greater Cairo, 2002-7.

NOTE: Data are no. (%) of participants. OR*, unadjusted odds ratio comparing cases to the two control groups combined; CI, confidence interval. cNeither cases nor controls were circumcised; none had ear piercing, tattoos or acupuncture. dSince women were not asked, they were excluded from the analysis (N = 198; 66 participants per serie).