Associations of cumulative exposure to heavy physical work at baseline (1986) and follow-up (2007) with radiating and local low back pain at follow-up (ORs and their 95% CIs)
| At least medium heavy workload | Model 0: crude | Model 1: adjusted for age | Model 2: adjusted for age, smoking and BMI | |||||
|---|---|---|---|---|---|---|---|---|
| At baseline | At follow-up | OR | 95% CI | OR | 95% CI | OR | 95% CI | |
| Radiating low back pain | ||||||||
| Women (n=414) | − | − | 1.00 | 1.00 | 1.00 | |||
| + | − | 2.71 | (1.32 to 5.59) | 2.86 | (1.37 to 5.95) | 2.76 | (1.32 to 5.77) | |
| − | + | 1.60 | (0.83 to 3.08) | 1.55 | (0.80 to 2.99) | 1.52 | (0.78 to 2.95) | |
| + | + | 3.32 | (1.64 to 6.73) | 3.55 | (1.72 to 7.31) | 3.42 | (1.65 to 7.07) | |
| Men (n=324) | − | − | 1.00 | 1.00 | 1.00 | |||
| + | − | 4.51 | (1.97 to 10.35) | 4.29 | (1.86 to 9.87) | 4.32 | (1.84 to 10.12) | |
| − | + | 4.17 | (1.71 to 10.2) | 4.37 | (1.77 to 10.75) | 4.46 | (1.80 to 11.08) | |
| + | + | 2.88 | (1.31 to 6.31) | 2.76 | (1.26 to 6.08) | 2.75 | (1.23 to 6.11) | |
| Local low back pain | ||||||||
| Women (n=414) | − | − | 1.00 | 1.00 | 1.00 | |||
| + | − | 1.70 | (0.88 to 3.26) | 1.64 | (0.85 to 3.16) | 1.56 | (0.80 to 3.03) | |
| − | + | 1.80 | (1.06 to 3.05) | 1.84 | (1.08 to 3.15) | 1.79 | (1.04 to 3.06) | |
| + | + | 1.86 | (0.97 to 3.56) | 1.78 | (0.92 to 3.44) | 1.71 | (0.88 to 3.31) | |
| Men (n=324) | − | − | 1.00 | 1.00 | 1.00 | |||
| + | − | 2.76 | (1.43 to 5.35) | 2.98 | (1.53 to 5.82) | 2.95 | (1.49 to 5.84) | |
| − | + | 2.18 | (1.06 to 4.52) | 2.14 | (1.03 to 4.44) | 2.18 | (1.04 to 4.56) | |
| + | + | 1.97 | (1.09 to 3.53) | 2.07 | (1.15 to 3.75) | 2.01 | (1.10 to 3.67) | |
BMI, body mass index.