Josephine van Dongen

Chapter 6 156 Supplementary Material Table S1 . Reasons for acute hospitalization, excluding acute gastroenteritis, planned treatment, surgery or examination. Reason for hospitalization Hospitalizations in pre- implementation: willing to vaccinate (N=367) Hospitalizations in post- implementation: vaccinated (N=433) Infectious (n,%) 45 (12.3) 56 (12.9) IR per person year 0.06 0.06 Growth problems (n,%) 20 (5.4) 9 (2.1) IR per person year 0.03 0.01 Feeding problems (n,%) 27 (7.4) 36 (8.3) IR per person year 0.04 0.04 Non-infectious intestinal (n,%) 13 (3.5) 12 (2.8) IR per person year 0.02 0.01 Breathing difficulties (n,%) 124 (33.8) 119 (27.5) IR per person year 0.18 0.13 Excessive crying (n,%) 6 (1.6) 11 (2.5) IR per person year 0.01 0.01 Other reason (n,%) 132 (36.0) 190 (43.9) IR per person year 0.19 0.21 Abbreviatons: IR = incidence rate, n = number with characteristic, N = number in group.