Recovery from nonspecific neck and low back pain in office workers

Effectiveness of a smart seat in recovering nonspecific neck and low back pain among high-risk office workers â€“ a 12-month prospective cluster-RCT

Status

Recruiting

Phases

Phase 2

Study type

Interventional

Source

TCTR

Registry ID

TCTR20190704005

Enrollment

200

Registered

2019-07-04

Start date

2019-06-12

Completion date

Unknown

Last updated

2026-08-03

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

Conditions

Office workers with neck or low back pain office workers&#44

Interventions

Subjects allocated to a break group will received a smart seat (the seat pad size is 40*50cm in rectangular shape) with the DynaRestÂ® program to alert for active breaks during work. The researcher wi

the HealthySitÂ® application will notify again until they stand up from office chair. During the study&#44

subjects will be asked to keep the level of their physical activity unchanged.,Subjects allocated to a postural change while sitting group will receive a smart seat (the seat pad size is 40*50cm in re

subjects will be asked to keep the level of their physical activity unchanged.,Subjects allocated to a control group will receive a placebo seat pad (the seat pad size is 40*50cm in rectangular shape)

subjects will be asked to keep the level of their physical activity unchanged.

Experimental Device,Experimental Device,Placebo Comparator Device

Rest break,Postural shift,Control

Eligibility

Sex/Gender

All

Age

23 Years to 45 Years

Inclusion criteria

Inclusion criteria: 1) are full-time office workers (working for an average of at least 40 hours per week); 2) age between 23-45 years; 3) have body mass index (BMI) 18.5-23 kg/m2 (Anuurad et al., 2003) (BMI will be calculated from a subject's weight in kilograms (kg) divided by his or her height in meters squared. Height and weight will be measure by height meter and weighing apparatus respectively); 4) have at least 5 years of experience in the office work; 5) are at risk of nonspecific neck pain evaluated by the Neck Pain Risk Score for Office Workers (score â‰¥ 2)(Paksaichol et al., 2014) or nonspecific low back pain evaluated by Back Pain Risk Score for Office Workers (score â‰¥ 53) (Janwantanakul et al., 2015); 6) report prolonged sitting as one of the aggravating factors of neck or low back pain in one of previous episodes (Dankaerts et al., 2006a); 7) possess a smart phone with Android or iOS systems. 8) have neck or low back pain (more than 30 mm on a 100 mm-visual analog scale and pain lasting more than 1 day)

Exclusion criteria

Exclusion criteria: 1) have a history of trauma or accidents at the spinal region; 2) have a history of spinal, intra-abdominal and femoral surgery; 3) have a sign of neurological deficit over the upper or lower extremities; 4) are diagnosed by doctor as having abnormal spinal structure; 5) are diagnosed with rheumatoid arthritis, ankylosing spondylitis, gout, tumor, systemic lupus erythymatosus (SLE) or osteoporosis; 6) are pregnant; 7) use any medicine that related to the musculoskeletal problems; 8) have hemorrhoids, wound, contusion at the buttock and thigh region.

Design outcomes

Primary

Measure	Time frame
Recovery time every month until 12 months Questionnaire	—

Secondary

Measure	Time frame
Pain intensity every month until 12 months Visual analogue scale ,Neck disability every month until 12 months Neck disability index,Low back disability every month until 12 months Roland Morris disability questionnaire	—

Countries

Thailand

Contacts

Public ContactPrawit Janwantanakul

Chulalongkorn university

prawit.j@chula.ac.th0897895995

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026