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The effectiveness of the SMArT Work & Life intervention for reducing sitting time in office workers

A three arm cluster randomised controlled trial to test the effectiveness and cost-effectiveness of the SMArT Work & Life intervention for reducing daily sitting time in office workers

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN11618007
Enrollment
660
Registered
2018-01-24
Start date
2018-04-01
Completion date
Unknown
Last updated
2025-02-17

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

General chronic disease prevention Not Applicable

Interventions

Clusters (different office spaces) will be randomised to receive one of the following conditions: 1. The multi-component SMArT Work & Life intervention with a height-adjustable workstation (interventi

Sponsors

University of Leicester
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Office-based employees within the Councils in Leicester, Manchester and Liverpool areas (UK) (Liverpool added on 20/03/2019) 2. Spend the majority of their day sitting 3. They must also work for the council at least 3 days/week 4. Participant is willing and able to give informed consent to take part in the study 5. Able to walk without the use of an assistive device or requiring assistance form another person

Exclusion criteria

Exclusion criteria: 1. Currently pregnant 2. Currently using a height-adjustable workstation at their primary work location 3. Unable to communicate in English 4. Unable to provide written informed consent

Design outcomes

Primary

MeasureTime frame
Current primary outcome measure as of 21/09/2020: Objectively measured daily sitting time, measured using activPAL at 12 months Previous primary outcome measure as of 02/08/2018: Objectively measured daily sitting time, measured using activPAL at 24 months Previous primary outcome measure: Objectively measured sitting time, measured using activPAL at baseline, 3, 12, and 24 months

Secondary

MeasureTime frame
Current secondary outcome measures as of 21/09/2020: 1. Objectively measured sitting during work hours at 3 and 12 months and daily sitting at 3 months 2. Objectively measured prolonged sitting time (daily and during work hours) at 3 and 12 months 3. Objectively measured standing and movement (daily and during work hours), measured using activPAL and Axivity at baseline, 3 and 12 months 4. Self-reported sitting, assessed using an adapted version of the Occupational Sitting and Physical Activity Questionnaire (Chau et al 2012) and an adapted version of the past day recall of sedentary time (PAST) questionnaire (Clarke et al 2015) at baseline, 3 and 12 months 5. Adiposity (BMI, percent body fat [measured with body composition scales], waist circumference), blood pressure and blood markers [HbA1c, fasting glucose, cholesterol, triglycerides measured with finger prick blood samples]), measured at baseline, 3 and 12 months 6. Fatigue (Fatigue Scale, Chalder 1993), stress (Perceived Stress Scale, Cohen et al 1983), anxiety and depression (Hospital Anxiety and Depression Scale (HADS), Zigmond et al, 1983), wellbeing (WHO-5 scale, Bech 1998), emotion (Positive and Negative Affect Schedule), work engagement (Utretcht Work Engagement Scale (UWES) Schaufeli et al, 2002), job performance (single-item 7-point likert scale, Bond et al 2001) and satisfaction (single-item 7-point likert scale, Nagy, 2002),occupational fatigue (Need for Recovery Scale), musculoskeletal issues (Standardised Nordic Questionnaire), presenteeism (Work Limitations Questionnaire, Lerner et al, 2001), work load and relations (Health and Safety Executive Management Standards Indicator Tool), sickness absence (self-reported and organisation records), and quality of life (EQ5D-5L, Herdman et al 2011), measured at baseline, 3 and 12 months 7. Self-reported sleep (Pittsburgh Sleep Quality Index (PSQI), Buysse et al 1989) and objectively measured sleep (Axivity), measured at baseline, 3 and 12 months 8. Social n

Countries

England, United Kingdom

Contacts

Public ContactAlex Clarke-Cornwell
a.m.clarke-cornwell@salford.ac.uk-

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Mar 5, 2026