Table 1 Study measurement schedule: behavioural, health and wellbeing measures
Measurement | Number of items | Objective measure or self-report | Construct measured | Measurement points | ||
|---|---|---|---|---|---|---|
Baseline | 8 weeks | 12 weeks | ||||
Behavioural | ||||||
Accelerometry | - | Objective | Physical activity, sedentary behaviour | x | x | x |
International Physical Activity Questionnaire (short form) [51] | 7 | Self-report | Physical activity, sedentary behaviour | x | x | x |
Sedentary behaviour questionnaire [52] | 7 | Self-report | Sedentary behaviour | x | x | x |
Tick sheet (intervention group only) | 10 | Self-report | Adherence to intervention | Continuous use between baseline and 8 weeks | ||
Psychological | ||||||
Item from Self-Report Habit Index and Self-Report Behavioural Automaticity Index [64, 65] | 2 | Self-report | Generic physical activity habit, Generic sedentary behaviour habit | x | x | x |
Item from Self-Report Habit Index and Self-Report Behavioural Automaticity Index [64, 65](intervention group only) | 10 | Self-report | Habit for behaviours recommended in intervention booklet | x | x | x |
CONFbal [59] | 10 | Self-report | Confidence in balance | x | x | x |
Short Falls Efficiency Scale, International [60] | 7 | Self-report | Fear of falling | x | x | x |
Health and wellbeing | ||||||
Item from Fall Risk Assessment Tool [58] | 1 | Self-report | History of falls | x | x | x |
Items from Center of Epidemiological Studies Depression Scale [61] | 2 | Self-report | Fatigue, exhaustion | x | x | x |
Verbal descriptor pain item [62] | 1 | Self-report | Pain | x | x | x |
Verbal descriptor stiffness item | 1 | Self-report | Stiffness | x | x | x |
EQ5D [57] | 6 | Self-report | Quality of life | x | x | x |
Timed walk | - | Objective | Walking speed | x | x | x |
Grip | - | Objective | Grip strength | x | x | x |
Chair rises | - | Objective | Leg strength | x | x | x |
Tandem standing | - | Objective | Balance | x | x | x |
Blood pressure | - | Objective | Blood pressure | x | x | x |
Views towards intervention | ||||||
Exit interview | - | Self-report | Acceptability of randomized controlled trial | x | ||