Josephine van Dongen

2 Acute gastroenteritis disease burden among infants with medical risk conditions 49 eTable 5. Complete cases versus incomplete cases for survival analysis Characteristic Complete cases (N=191) At least one missing value (N=226) p-value Sibling, n 69 (36.1%) 71/149 (47.7%) 0.03 Age (>12 months), n 153 (80.1%) 121 (53.5%) 0.00 Attending daycare, n 102 (53.4%) 93/133 (69.9%) 0.00 Episode in season, n 32 (16.8%) 34/153 (22.2%) 0.20 Born in season, n 134 (59.3%) 115 (60.2%) 0.85 Breastfed, n 20 (10.5%) 31/221 (14.0%) 0.07