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Table 1 Measures in the self-administered study questionnaire

From: Development and evaluation of two web-based interventions for the promotion of physical activity in older adults: study protocol for a community-based controlled intervention trial

Outcome measure Instrument/scale
Physical activity
 Physical activity International Physical Activity Questionnaire (IPAQ) [49]
 Intention to engage in physical activity Health Action Process Approach (HAPA), intention [40, 41]
 Self-efficacy regarding physical activity HAPA, self-efficacy [40, 41]
 Planning for physical activity HAPA, planning [40, 41]
 Physical self description Physical self-description (PSDQ) [50]
Physical environment
 Physical activity and neighborhood environment International Physical Activity Questionnaire Environmental module (IPAQ-E) [51]
Social support, social activities
 Social support for engaging in physical activity Social support and exercise survey (modified, [40, 41])
 Social networks Self-generated items
 Social activities Florida Cognitive Activities Scale (modified, [52, 53])
Health behavior
 Subjective age Self-generated item
 Health-related quality of life Short-Form (SF)-12, only 1 item [54]
 Objective health Diseases and medication use (modified, [55])
 Risk perception Berlin Risk Appraisal and Health Motivation Study (BRAHMS) [56]
 Falls Elderly Fall Screening Test (EFST) (modified, [57])
 Fear of falling Geriatric Fear of Falling Measurement (GFFM) [58]
 Diet Food Frequency Questionnaire [59]
 Alcohol consumption Alcohol Use Disorders Identification Test Short Version (AUDIT-C) [60]
 Smoking behavior Smoking Behavior Questionnaire [61]
 Stage assessment of smoking behavior, alcohol consumption, fruits and vegetable consumption Stage assessment [40, 41]
Quality of life and well-being
 Quality of life Satisfaction with Life Scale (SWLS) [62]
 Emotional well-being Self-generated items
 Depression Centers for Epidemiologic Studies Depression Scale (CES-D) [63]
 Personality NEO Five Factor Inventory (NEO-FFI) [64]
Previous experiences with technology
 Use of computers/smartphones/applications Self-generated items
 Technology commitment Technology Commitment Scale [65]
Use, acceptance, and satisfaction with interventions
 Use and acceptance of various components of the website, attendance of the offered group sessions, and overall satisfaction with the interventions Self-generated items