Odds ratios (OR) estimates, with 95% confidence intervals (CI), for “low-count” CLL-like monoclonal B-cell lymphocytosis (60 out of 72 cases) by previous associated factors.

1Adjusted for age (2Further adjusted for number of children (3Further adjusted for number of siblings (categories: 4Among 60 years old and older,Ncontrols = 189; Ncases = 49.5Further adjusted for family size (using the total number of children and siblings; categories: 6Further adjusted for number of brothers (Ref: reference group; N: number; OR: Odds ratio; CI: confidence interval; SD: standard deviation.