Demographic and clinical characteristics of 96 patients randomized to treatment of Azithromycin (n = 50) or placebo (n = 46) and by ethnicity.

Median and IQR (25–75) for continuous variables. Actual numbers for categorical variables and percentages. NB: Missing variables described. Azithromycin: Gestational age = 3 (6%). Birth weight = 6 (12%). Mother smoked during pregnancy = 3 (6%). Exposure to household smoke = 2 (4%), Placebo: Gestational age: = 2 (4%). Birth weight = 3 (6.5%). Indigenous children: Gestational age = 2 (3.3%). Birth weight = 4 (6.5%). Mother smoked during pregnancy = 2 (3%). Exposure to household smoke = 1 (1.6%): Non Indigenous children: Gestational age: = 3 (8.6%). Birth weight = 5 (14.3%) Mother smoked during pregnancy = 1 (3%). Exposure to household smoke = 1 (3%).