Promoting physical activity and health literacy: study protocol for a longitudinal, mixed methods evaluation of a cross-provider workplace-related intervention in Germany (The AtRisk study)

Table 2 Summary of measures

	Instrument	Time of measurement^a
Primary outcome measure
Physical Activity	GPAQ Questionnaire ([3, 24])	T0, T1, T2
Secondary outcome measure
Health literacy	Health literacy scale ([15])	T0, T1, T2
Health literacy	HLQ Subscale „Actively managing my health“([27])	T0, T1, T2
Person-related variables
Age, sex, height, weight,	Unstandardized questionnaire	T0
Education level, family status	Unstandardized questionnaire	T0
Health-related lifestyle	Unstandardized questionnaire	T0, T1, T2
Health Related Quality of Life	EQ-5D-5 L ([28])	T0, T1, T2
Work-related variables
Workability	Work ability questionnaire ([30, 31])	T0, T1, T2
Employability	subjective prognosis of gainful employment (SPE-scale) (Mittag 2003 #57}; [33, 34])	T0, T1, T2

^a T0 = initial phase (baseline); T1 = End of training-phase; T2 = six month follow-up

ISSN: 1471-2458