Table 2.

Recruitment and time points

Aim	Group	Total no	Time points
Aim 1 Investigate effectiveness of the LOCK programme	Staff	30 staff members per unit (average of 5 units per SVH) 150 respondents max per SVH 1200 across all sites per time point	Preintervention Baseline Postintervention 12-month follow-up
	Residents	5 residents per SVH 40 residents across all sites	Baseline Postintervention
Aim 2 Evaluate implementation	Staff	30 staff members per unit (average of 5 units per SVH) 50 respondents max per SVH 1200 across all sites per time point	Preintervention 6-month follow-up
	Staff	15 participants per SVH 120 across all sites per time point	Baseline Postintervention
Aim 3 Assess programme sustainment	Staff	10 participants per sites 80 respondents max across all sites at each time point	Preintervention Baseline Postintervention 3-month follow-up 6-month follow-up 12-month follow-up

SVH, State Veterans Home.