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Low back pain and association with whole body vibration among military armoured vehicle drivers in Malaysia.
Med J Malaysia. 2009 Sep; 64(3):197-204.MJ

Abstract

A cross sectional study was conducted among military armoured vehicle drivers in the two largest mechanized battalions with the objective to determine the prevalence of low back pain (LBP), and its association with whole body vibration (WBV) and other associated factors. A self-administered questionnaire and Human Vibration Meter were used in this study. A total of 159 respondents participated in this study and 102 (64.2%) of them were subjected to WBV measurement. One-hundred-and-seventeen respondents complained of LBP for the past 12 months giving a prevalence of 73.6%. The prevalence of LBP among tracked armoured vehicle drivers was higher (81.7%) as compared to wheeled armoured vehicle drivers (67.0%). The mean acceleration at Z-axis in tracked armoured vehicles (1.09 +/- 0.26 ms(-2)) and wheeled armoured vehicles (0.33 +/- 0.07 ms) were the dominant vibration directions. The mean estimated vibration dose value (eVDV) for eight-hour daily exposure at Z-axis (19.86 +/- 4.72 ms(-1.75)) in tracked armoured vehicles showed the highest estimation. Based on the European Vibration Directive (2002), the mean eVDV at Z-axis in tracked armoured vehicles exceeded exposure action value (EAV) (> 9.1 ms(-1.75), but did not exceed exposure limit value (ELV) (<21.0 ms(-1.75)). Logistic regression analysis revealed that only driving in forward bending sitting posture (OR = 3.63, 95% CI 1.06-12.42) and WBV exposure at X-axis (OR = 1.94, 95% CI 1.02-3.69) were significant risk factors to LBP. Preventive measures should be implemented to minimize risk of WBV and to improve ergonomic postures among drivers.

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Authors+Show Affiliations

Rozali A
Health Services Division of Malaysian Armed Forces, Kuala Lumpur, Malaysia. rozaliqhmad@yahoo.com
Rampal KG
No affiliation info available
Shamsul Bahri MT
No affiliation info available
Sherina MS
No affiliation info available
Shamsul Azhar S
No affiliation info available
Khairuddin H
No affiliation info available
Sulaiman A
No affiliation info available

MeSH

AdultAutomobile DrivingCross-Sectional StudiesHumansLogistic ModelsLow Back PainMalaysiaMaleMiddle AgedMilitary PersonnelOccupational DiseasesPrevalenceRisk FactorsSurveys and QuestionnairesVibration

Pub Type(s)

Journal Article

Language

eng

PubMed ID

20527267

Citation

Rozali, A, et al. "Low Back Pain and Association With Whole Body Vibration Among Military Armoured Vehicle Drivers in Malaysia." The Medical Journal of Malaysia, vol. 64, no. 3, 2009, pp. 197-204.
Rozali A, Rampal KG, Shamsul Bahri MT, et al. Low back pain and association with whole body vibration among military armoured vehicle drivers in Malaysia. Med J Malaysia. 2009;64(3):197-204.
Rozali, A., Rampal, K. G., Shamsul Bahri, M. T., Sherina, M. S., Shamsul Azhar, S., Khairuddin, H., & Sulaiman, A. (2009). Low back pain and association with whole body vibration among military armoured vehicle drivers in Malaysia. The Medical Journal of Malaysia, 64(3), 197-204.
Rozali A, et al. Low Back Pain and Association With Whole Body Vibration Among Military Armoured Vehicle Drivers in Malaysia. Med J Malaysia. 2009;64(3):197-204. PubMed PMID: 20527267.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Low back pain and association with whole body vibration among military armoured vehicle drivers in Malaysia. AU - Rozali,A, AU - Rampal,K G, AU - Shamsul Bahri,M T, AU - Sherina,M S, AU - Shamsul Azhar,S, AU - Khairuddin,H, AU - Sulaiman,A, PY - 2010/6/10/entrez PY - 2010/6/10/pubmed PY - 2010/8/14/medline SP - 197 EP - 204 JF - The Medical journal of Malaysia JO - Med J Malaysia VL - 64 IS - 3 N2 - A cross sectional study was conducted among military armoured vehicle drivers in the two largest mechanized battalions with the objective to determine the prevalence of low back pain (LBP), and its association with whole body vibration (WBV) and other associated factors. A self-administered questionnaire and Human Vibration Meter were used in this study. A total of 159 respondents participated in this study and 102 (64.2%) of them were subjected to WBV measurement. One-hundred-and-seventeen respondents complained of LBP for the past 12 months giving a prevalence of 73.6%. The prevalence of LBP among tracked armoured vehicle drivers was higher (81.7%) as compared to wheeled armoured vehicle drivers (67.0%). The mean acceleration at Z-axis in tracked armoured vehicles (1.09 +/- 0.26 ms(-2)) and wheeled armoured vehicles (0.33 +/- 0.07 ms) were the dominant vibration directions. The mean estimated vibration dose value (eVDV) for eight-hour daily exposure at Z-axis (19.86 +/- 4.72 ms(-1.75)) in tracked armoured vehicles showed the highest estimation. Based on the European Vibration Directive (2002), the mean eVDV at Z-axis in tracked armoured vehicles exceeded exposure action value (EAV) (> 9.1 ms(-1.75), but did not exceed exposure limit value (ELV) (<21.0 ms(-1.75)). Logistic regression analysis revealed that only driving in forward bending sitting posture (OR = 3.63, 95% CI 1.06-12.42) and WBV exposure at X-axis (OR = 1.94, 95% CI 1.02-3.69) were significant risk factors to LBP. Preventive measures should be implemented to minimize risk of WBV and to improve ergonomic postures among drivers. SN - 0300-5283 UR - https://www.unboundmedicine.com/medline/citation/20527267/Low_back_pain_and_association_with_whole_body_vibration_among_military_armoured_vehicle_drivers_in_Malaysia_ L2 - http://www.e-mjm.org/2009/v64n3/low_back_pain.pdf DB - PRIME DP - Unbound Medicine ER -