From: Effectiveness of an intervention at construction worksites on work engagement, social support, physical workload, and need for recovery: results from a cluster randomized controlled trial
Control group
Intervention group
%
OR
(95% CI)‡
Elevated need for recovery 1
Baseline
24%
26%
3-months
31%
1.50
(0.66 3.41)
6-months
25%
1.15
(0.48 2.79)
12-months
27%
0.88
(0.37 2.11)
effect
1.17
(0.66 2.07)