Table 2.

Distribution of positive responses in the survey dimensions

Patient safety culture dimensions	2012	2015	2017	2019
Teamwork within units	78.5%	84.8%	81.6%	84.5%
Supervisor/Manager expectations and actions promoting patient safety	60.6%	60.8%	60.4%	64.0%
Organisational learning–continuous improvement	79.6%	86.3%	82.2%	83.9%
Management support for patient safety	70.4%	75.3%	73.3%	73.8%
Overall perceptions of patient safety	65.3%	59.5%	59.6%	61.7%
Feedback and communication about error	63.3%	71.8%	68.7%	72.0%
Communication openness	42.9%	45.0%	48.5%	49.8%
Frequency of events reported	59.4%	68.8%	64.9%	66.6%
Teamwork across units	61.6%	67.0%	64.1%	65.8%
Staffing	35.1%	33.8%	30.8%	31.9%
Handoffs and transitions	51.5%	55.8%	49.6%	52.2%
Non-punitive response to error	26.8%	24.8%	27.2%	27.2%