Table 1.

Overview of all assessed parameters from SHI and questionnaire data

Category	Source of data	Acquisition of	Instruments/variables	12 Month before PFF	3 Month	6 Month	12 Month
					after PFF
Outcomes	SHI data	Healthcare provision			Continuous
		Inpatient care	Number of hospital admissions, length of hospital stay, admission to a specialist department
		Outpatient care	Physician contact per billing quarter (yes/no), number and kind of specialists involved
		Rehabilitation	Number, duration and kind of inpatient/outpatient rehabilitation
		Nursing services	Number, duration and kind of nursing services/institutional long-term care/short-term care
		Prescribed medication	Number and kind of prescribed medication
		Remedies and medical aids	Number and kind of remedies and medical aids
		Costs	Inpatient costs, outpatient costs, rehabilitation costs, nursing services costs, medication costs, costs for remedies and medical aids, and costs for transportation
		Clinical outcomes
		Re-hospitalisation	Number of hospital admissions, length of hospital stay, admission to a specialist department		Continuous
		Care dependency (including  new occurrences)	Level of care
		Admission to a nursing home	Type of service, date of admission
		Mortality	Date of death
	Questionnaire data	Patient-reported outcomes
		Health-related quality of life	SF-12*†‡		X	X	X
			EQ-5D*†‡		X	X	X
		Functional ability	Oxford Hip Score*‡		X	X	X
			Barthel Index*‡		X	X	X
			Mobility Parker Score*‡		X
		Social participation	IMET*†‡		X	X	X
		Pain	Numeric rating scale of the German Pain Society*†		X	X	X
		Fear of falling and falls	Occurrence and frequency of fear of falling,*† occurrence and frequency of fear-related avoidance of activities,*† frequency of falls*‡		X	X	X
Predictors	SHI data	Demographic characteristics	Age, sex, region of residence		X
		Comorbidity	Number of prescribed medication	X
			Number of inpatient stays
			Level of care
			Costs
			Charlson comorbidity index
	Questionnaire data	Demographic characteristics	Marital status*‡		X		X
			Nationality*‡		X
			Country of birth*‡		X
		Socioeconomic status	Level of education (ISCED)*‡		X
			Equivalised disposable income*‡		X		X
			Subjective social status using MacArthur scale (German version)*†‡		X		X
		Social support	Oslo Social Support Scale*†‡		X		X
		Lifestyle factors	Physical activity,*  ‡ smoking status,*  ‡ alcohol consumption* ‡		X		X
			Height,* ‡ weight (anthropometry)*‡		X		X
		Healthcare utilisation	Intake and use of medication,*‡ use of remedies and medical aids*‡		X		X
		Special health-related events	Positive and negative health-related events*‡		X		X

*Participant.

†Participant who is only partially able to take part in the survey.

‡Proxy.

EQ-5D, European Quality of Life 5-Dimensions questionnaire; IMET, Index for Measuring Participation Restrictions; ISCED, International Standard Classification of Education; PFF, proximal femoral fracture; 

SF-12, 12-item Short Form Health Survey; SHI, statutory health insurance.