title: The prevalence of low back pain and its associated factors in Thai rubber farmers.
abstract: OBJECTIVE
  Low back pain (LBP) is one of the most prevalent musculoskeletal disorders in the general population, especially among manual laborers. Moreover, it often brings about lost wages and additional medical expenses. However, the potential risk factors for LBP are unknown. This study aimed to estimate the prevalence of LBP and to determine the individual, occupational, and psychosocial factors associated with LBP among rubber farmers.
  
  
  METHODS
  A cross-sectional survey was conducted among 450 Thai rubber farmers using cluster random sampling. Data were collected using face-to-face interviews and objective examination and were analyzed using multivariate logistic regression.
  
  
  RESULTS
  Of the 433 rubber farmers, the point and 12-month prevalence of LBP in rubber farmers was 33% and 55.7%, respectively. BMI, primary school education, exposure to pesticides, and tapping below knee level were statistically associated with LBP after controlling for other variables.
  
  
  CONCLUSIONS
  Low back pain is common among rubber farmers. Only four factors were identified as being associated with the high prevalence of LBP. However, these factors might be altered if more variables are taken into account. Further research investigating the causal relation between these factors and LBP should be conducted.
authors.affiliation: Department of Physical Therapy, Faculty of Allied Health Sciences, Chulalongkorn University.
authors.forename: Chadayu
authors.initials: C
authors.lastname: Udom
authors.forename: Prawit
authors.initials: P
authors.lastname: Janwantanakul
authors.forename: Rotsalai
authors.initials: R
authors.lastname: Kanlayanaphotporn
mesh_terms: D000328:Adult; D000382:Agricultural Workers' Diseases / Q000453:epidemiology* / Q000209:etiology; D003430:Cross-Sectional Studies; D005260:Female; D006801:Humans; D016015:Logistic Models; D017116:Low Back Pain / Q000453:epidemiology* / Q000209:etiology; D008297:Male; D008875:Middle Aged; D015995:Prevalence; D012307:Risk Factors; D012408:Rubber; D013785:Thailand / Q000453:epidemiology
chemical_list: D012408:Rubber