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OpenTrials
Completed

NCT Number: NCT00667316

The Influence of Different Factors on Workers' Disability Due to Low Back Pain

The purpose of this study is to determine, in Spanish workers, the influence of different factors (personal, psychological, work related and clinical) on the risk of being on sick leave during the 18 months after baseline assessment, and on the duration of that sick leave.

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Key information

Conditions

Low Back Pain Back Pain Neurologic Manifestations Pain Pathological Conditions, Signs and Symptoms Signs and Symptoms

Age range

18 year–65 year

Sex eligibility

All sexes

Study type

Observational

Primary location

Kovacs Foundation

Palma de Mallorca, Balearic Islands, 07012, Spain

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Subjects who get their checkups at participating health services
  • With a labor contract that won't make it likely that they stop work before the next 18 months, for causes other than their health
  • Who sign the informed consent form

Exclusion criteria

  • Don't sign the informed consent form
  • Inability to fill our the questionnaires
  • Bedridden
  • Rheumatologic inflammatory disease, cancer or fibromyalgia
  • Suspicion of fibromyalgia
  • Red flags for systemic disease
  • Criteria for surgery
  • Criteria for urgent referral to surgery

Treatment and study plan

Set of questionnaires (respondent)

Behavioral

A set of questionnaires to determine risk factors for sick leave due to low back pain.

Primary outcomes

  1. The influence of different factors on risk of sick leave for low back pain

    Time frame: 18 months

Sponsors and collaborators

Lead sponsor

Kovacs Foundation

Other

Registry information

Official study title

Study to Identify the Influence of Different Factors on Workers' Disability Due to Low Back Pain

Important dates

Study start
2008
Primary completion
2021
Study completion
2021
First posted
Apr 28, 2008
Registry last updated
Sep 4, 2025

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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