Table 1

Questionnaire validity statistics (created by the authors; BMJ has permission to reproduce)

Construct	Validation questionnaire				Distribution questionnaire				Z
Construct	N	α	ICC	ICC 95% CI	N	α	ICC	ICC 95% CI	Z
User values compatibility	8200	0.84	0.823	0.817 to 0.828	434	0.83	0.832	0.807 to 0.855	0.48
Workflow compatibility	8180	0.77	0.766	0.759 to 0.774	433	0.73	0.728	0.687 to 0.766	−1.82
Implementation climate	8162	0.84	0.842	0.837 to 0.848	431	0.86	0.863	0.842 to 0.882	1.17

Fisher's combined p=0.17.
ICC, intraclass correlation coefficient; N, completed responses; Z, z-score of comparison of ICC across questionnaire versions (final—validation); α, Cronbach’s alpha.