Concept and study protocol of the process evaluation of a pragmatic randomized controlled trial to promote physical activity in outpatients with heterogeneous mental disorders—the ImPuls study

Table 3 Measurements for referring healthcare professionals at each time point (following SPIRIT template [38])

Assessment referrers	Time point
	Prep-1	Prep-2	Pre	Inter-1	Inter-2	Inter-3	Post	Follow-up	Post-d
Implementation
Professional background (self-developed)									x
Opinion on the new treatment option [58]; (self-developed items)									x
Physical activity level (EHIS-PAQ;[59]) [modified]									x

Follow-up = once after 12 months; Inter-1 = once at the end of the supervised ImPuls phase (weeks 1–4); Inter-2 = once at the end of the partially supervised ImPuls phase 1 (weeks 5–12); Inter-3 = once at the end of the partially supervised ImPuls phase 2 (weeks 13–24); Post = after completion of the intervention (weeks 24–26, supervised and partially supervised) ImPuls phases; Post-d = after end of study period in all outpatient facilities; Pre = prior to intervention start in the outpatient facility; Prep-1 = following the first training; Prep-2 = following the second training; Rando = after randomization, prior to intervention start in the outpatient facility
Abbreviations: EHIS-PAQ European Health Interview Survey—Physical Activity Questionnaire

ISSN: 1745-6215