Adanya perbedaan jumlah penderita Nyeri Punggung Bawah NPB diantara operator di sebuah perusahaan migas on shore di Sumatera Selatan berdasarkan lokasi kerja. Penelitian ini bertujuan untuk mengetahui prevalensi kejadian NPB kronik non spesifik, hubungan antara beban kerja mental kuantitatif dan kualitatif berlebih serta faktor risiko lainnya terhadap kejadian NPB kronik nonspesifik pada operator tersebut. Desain penelitian potong lintang, besar sampel 96 orang yang diambil secara purposive sampling. Penelitian dilakukan pada bulan Oktober-Desember 2016. Pengumpulan data dengan pengisian kuesioner dan pemeriksaan fisik. Didapatkan prevalensi NPB kronik nonspesifik sebesar 32,3. Dari analisis multivariat didapatkan bahwa beban kerja mental kualitatif berlebih sedang-berat OR 5,14 IK95 1,49-17,78, overweight OR 9,02 IK95 2,46-33,08 , perokok sedang-berat OR 4,28 IK95 1,29-14,26, dan duduk lama OR 3,61 IK95 1,13-11,52 meningkatkan risiko terhadap kejadian NPB kronik nonspesifik. Disimpulkan bahwa beban kerja mental kuantitatif dan kualitatif berlebih serta stresor kerja lainnya, profil individu, kebiasaan individu, masa kerja, dan lama duduk saat bekerja memiliki hubungan dengan kejadian NPB nonspesifik. Faktor paling dominan terhadap kejadian NPB kronik nonspesifik pada operator di sebuah perusahaan migas on shore adalah overweight.

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Different distribution of Low Back Pain LBP existed among operators of an on shore oil and gas company in South Sumatera based on work location. This study aimed to identify prevalence of nonspecific chronic LBP, the relationship between quantitative and qualitative mental workload and other risk factors with nonspecific chronic LBP among operators in that company.

The design of this study was cross sectional with 96 samples taken by purposive sampling. This study was held on October December 2016. The data were obtained by questionnaire and physical examination. The prevalence of nonspecific chronic LBP was 32,3.

From multivariate analysis, moderate heavy qualitative mental workload OR 5,14 95 CI 1,49 17,78 , overweight OR 9,02 95 CI 2,46 33,08 , moderate heavy smoker OR 4,28 95 CI 1,29 14,26 , and long periods of sitting 4 hours OR 3,61 95 CI 1,13 11,52 had increased risk toward nonspecific chronic LBP.

In conclusion, moderate heavy qualitative mental workload, overweight, moderate heavy smoker, and long periods of sitting 4 hours were related to nonspecific chronic LBP among operators. The dominant factor toward nonspecific chronic LBP among operators was overweight.