Table 5 Predictors in 2003 for risk in 2005 of knee complaints >30 days, locking of the knee, knee pain, decrease of pain, and difficulties in carrying out work
Self-reported complaints in 20052003 predictorsOR (95% CI) unadjustedOR (95% CI) adjusted
Knee complaints >30 days during previous 12 months (yes/no)Knee complaints >30 days (in 2003)7.98 (3.83 to 16.6)8.31 (3.71 to 18.6)
Used new working methods weekly/daily during 1 year or more0.53 (0.26 to 1.10)0.46 (0.20 to 1.06)
Locking of the knee during previous 12 months (yes/no)Locking of the knee (2003)11.5 (4.96 to 26.7)9.60 (3.75 to 24.6)
Knee complaints >30 days (in 2003)1.95 (0.81 to 4.74)3.53 (1.67 to 7.48)
Used new working methods weekly/daily during 1 year or more0.38 (0.14 to 1.04)0.39 (0.16 to 0.94)
Knee pain moderate to severe/no or lightKnee complaints >30 days (in 2003)7.47 (3.8 to 14.7)7.45 (3.91 to 14.2)
Used new working methods weekly/daily during 1 year or more0.26 (0.09 to 0.74)0.25 (0.09 to 0.70)
Decrease in knee complaints during previous 12 months (yes/no)Knee complaints >30 days (in 2003)1.76 (0.63 to 4.89)1.51 (0.57 to 4.02)
Used new working methods weekly/daily during 1 year or more0.26 (0.09 to 0.74)0.25 (0.09 to 0.70)
Difficulties in carrying out work because of knee troubles (often or daily/no or seldom)Knee complaints >30 days (in 2003)20.7 (2.37 to 180.3)24.4 (3.08–193.2)
Locking of the knee3.06 (0.84 to 11.2)4.04 (1.2 to 13.6)
Bursitis1.41 (0.37 to 5.41)4.35 (1.32 to 14.3)
Used new working methods weekly/daily during 1 year or more0.36 (0.07 to 1.87)0.33 (0.07 to 1.54)
  • *Each covariate adjusted for all other factors: age, BMI, stress, use of new working methods, knee complaints >30 days in 2003.