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Table 1 Contents of Lausanne cohort Lc65+ Study 2004–2005 baseline data collection.

From: The Lausanne cohort Lc65+: a population-based prospective study of the manifestations, determinants and outcomes of frailty

Self-completed questionnaire
   - Childhood history: premature birth and birth weight category, family size at birth and at the age of 10, economic environment at birth and change in childhood, major diseases and injuries, stressful life events during infancy and early adolescence
   - Socio-economics: country of birth, nationalities, achieved education, type and duration of professional activity, current working activity and circumstances of retirement; current subsidized health insurance as an indicator of low income, stressful life events in adulthood, marital status, number of children, size and composition of household
   - Subjective health (WHO formulation) absolute and relative to contemporaries; perception of own aging; fear of disease, weakness, sleep perturbation, according to questions extracted from Swiss Health Surveys; sight and hearing impairments; medical diagnoses, chronic symptoms
   - Screen for mental health and depression (GHQ-12) [33, 34]
   - Health-related behaviors: current physical activity, decrease in physical activity in past twelve months, smoking history, alcohol consumption (WHO Audit-C) [35, 36]
   - Screen for difficulty and dependence in basic and instrumental activities of daily living
   - Current height and weight, weight 5 years ago, unintentional weight loss
   - Falls, fear of falling and impact on activities, falls efficacy (FES-I) [37]
   - Stressful life events in past 12 months (GALES Part I: list of events) [38]
Interview
   - Stressful life events in past 12 months (GALES Part II: level of stress and feelings) [38]
   - Nutrition (MNA [3941], completed by questions on nutritional habits developed in the Canadian NuAge project [42])
   - Health services utilization in past twelve months (as assessed in SHARE) [43]
   - Self-assessment of the economic situation
Measurements
   - Weight and height
   - Arm, waist, hip, and calf circumferences; biceps, triceps and supra-iliac skinfolds (GPM® caliper)
   - Resting blood pressure and heart rate (measured three times at 5–10 minute intervals on right arm, OMRON® digital automatic blood pressure monitor, manually in case of rhythm abnormalities)
Performance tests
   - Grip strength test on the right hand (Baseline® hydraulic dynamometer three measurements) [4446]
   - Moberg Picking-Up Test on dominant hand [47]
   - Balance tests (10 seconds side-by-side, semi-tandem and tandem standing with open eyes according to the protocol of EPESE, 1 minute side-by-side standing, open and closed eyes) [48]
   - Timed Up-and-Go test [4951]
   - Self-selected walking speed (20 meters walk single task, double task: walk and backward count, double task: walk and water glass, triple task: walk, backward count and water glass) [5254]
   - Timed five chair rises
   - Cognition test (MMSE) [55], frontal and temporo-parietal functioning (Clock Drawing Test) [5658]. If MMSE ≥ 24: verbal fluency (fruit and vegetables in one minute) [59], Trail Making Test parts A and B [60, 61]