Table 2.

Variables in the final logistic regression model for the risk scoring tool derived from the pooled dataset

Variable	Odds ratio (95%CI), P‐value a	Logistic regression coefficient	Score (rounded integer)
Birth between 3 months before and 2 months after season start date [yes or no]	2.0 (1.7‐2.5), P < 0.001	0.338	6
Smokers in household and/or while pregnant [neither, either or both]	Household: 1.4 (1.2‐1.7), P = 0.001 Pregnant: 1.7 (1.3‐2.1); P < 0.001	Either: 0.209 Both: 0.479	Either: 5 Both: 11
Siblings (excluding multiple birth siblings) and/or (planned) day care [neither, either or both]	Siblings: 1.6 (1.4‐2.0), P < 0.001 Daycare: 1.6 (1.3‐1.9), P < 0.001	Either: 0.740 Both: 1.639	Either: 14 Both: 39

^aIncreased adjusted risk of respiratory syncytial virus hospitalisation for individual variables.