Effectiveness of interventions to change parent consulting rate for respiratory tract infections in children.

*cluster randomised controlled trial;***non-randomised controlled trial;****adjusted for children at risk for part of study year;¶using Fisher's Exact Test;§no absolute numbers given; mo: month; Min: minimum; NNT: number needed to treat; NR: not reported; OR: odds ratio; PED: paediatric emergency department; RTI: respiratory tract infection; wk: weeks; yr: years. Italicized p-values were those reported in original study.