Table 2. . Percentage of parents with opioid-related adverse effect knowledge over time.

Adverse effect	Baseline	Immediately after intervention	Day 7 after intervention
Nausea/vomiting	46 (79%)	57 (98%); 0.002	34 (100%); 0.003
Constipation	46 (79%)	57 (98%); 0.002	33 (97%); 0.027
Oversedation	46 (79%)	57 (98%); 0.002	33 (97%); 0.027
Slowed breathing	38 (67%)	56 (97%); <0.001	34 (100%); <0.001
Addiction	50 (86%)	57 (98%); 0.032	34 (100%); 0.024

Data presented as n (%); p-value vs baseline.