Modic Type I | Modic Type II | Severe disc degeneration b | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
All levels1 N = 133 | L5-S12 N = 121 | All levels3 N = 172 | L5-S14 N = 149 | All levels5 N = 228 | L5-S16 N = 212 | ||||||||
SD | OR | 95% CI | OR | 95% CI | OR | 95% CI | OR | 95% CI | OR | 95% CI | OR | 95% CI | |
Age | 4 years | 1.13 | 0.73–1.58 | 1.35 | 0.84–1.93 | 1.56 | 1.21–1.95 | 1.54 | 1.14–1.96 | 1.46 | 1.13–1.82 | 1.43 | 1.07–1.82 |
Train engineers vs. factory workers | NA | 1.51 | 0.58–3.91 | 1.87 | 0.56–6.24 | 0.82 | 0.41–1.63 | 1.44 | 0.62–3.32 | 1.80 | 0.89–3.61 | 2.48 | 1.08–5.67 |
Vibration exposure | 11 years | 1.00 | 0.59–1.41 | 1.05 | 0.58–1.55 | 0.95 | 0.64–1.26 | 1.20 | 0.83–1.58 | 1.27 | 0.97–1.59 | 1.41 | 1.05–1.78 |
Body mass index | 3 kg/m2 | 1.14 | 0.77–1.54 | 1.08 | 0.67–1.54 | 1.36 | 1.02–1.75 | 1.42 | 1.03–1.86 | 1.17 | 0.87–1.49 | 1.10 | 0.78–1.45 |
Waist circumference | 9 cm | 1.10 | 0.73–1.49 | 1.02 | 0.59–1.47 | 1.42 | 1.08–1.77 | 1.48 | 1.11–1.89 | 1.12 | 0.82–1.42 | 1.07 | 0.76–1.40 |
Fat percentage | 6 % | 1.10 | 0.69–1.54 | 1.01 | 0.94–1.10 | 1.08 | 0.77–1.42 | 1.11 | 0.71–1.53 | 1.15 | 0.85–1.46 | 1.16 | 0.82–1.51 |
Lifetime exercise a | 2 units | 1.24 | 0.80–1.78 | 1.59 | 0.94–2.49 | 1.20 | 0.86–1.60 | 1.30 | 0.89–1.80 | 1.13 | 0.82–1.49 | 1.14 | 0.80–1.55 |
Smoking | 10 pack years | 1.41 | 0.99–1.84 | 1.43 | 0.94–1.94 | 1.17 | 0.85–1.51 | 1.23 | 0.89–1.59 | 1.14 | 0.87–1.43 | 1.10 | 0.80–1.42 |
Regular vs. no alcohol use | NA | 0.71 | 0.30–1.68 | 0.77 | 0.27–2.21 | 1.09 | 0.53–2.24 | 1.00 | 0.45–2.22 | 1.25 | 0.63–2.49 | 1.42 | 0.65–3.10 |