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Table 3 Adjusted hazard ratios (HR*) with 95% confidence intervals (CI) for hospitalization due to meniscal lesions or other knee injuries

From: Risk factors for first hospitalization due to meniscal lesions - a population-based cohort study with 30 years of follow-up

Risk factor N all Meniscal lesion Other knee injury
N cases HR 95% Cl N cases HR 95% Cl
Age at baseline   4713 224 0.96 0.94–0.97 114 0.99 0.97–1.02
Gender Men 2320 97 1   50 1  
Women 2393 127 1.15 0.84–1.57 64 1.29 0.82–2.01
Education <8 years 2831 118 1   62 1  
8–12 years 1194 68 1.01 0.74–1.39 29 0.98 0.61–1.55
>12 years 688 38 0.83 0.56–1.23 17 0.96 0.53–1.73
Physical strenuousness of work Light 1264 65 1   28 1  
Moderate 1954 115 1.20 0.86–1.64 39 0.90 0.55–1.49
Heavy 1043 35 0.77 0.48–1.20 29 1.53 0.86–2.71
Not at work 452 9 0.81 0.39–1.65 18 2.80 1.47–5.34
BMI < 25.0 2394 116 1   63 1  
25.0–29.9 1767 80 1.21 0.90–1.63 39 0.89 0.59–1.35
≥ 30.0 552 28 1.62 1.06–2.48 12 0.96 0.51–1.81
Leisure time physical exercise Little 1445 58 1   25 1  
Irregular 2412 105 0.97 0.70–1.34 64 1.64 1.03–2.64
Regular 856 61 1.53 1.05–2.23 25 1.88 1.05–3.36
Smoking Never- smoker 2434 124 1   66 1  
Ex-smoker 968 47 0.99 0.70–1.41 20 0.79 0.46–1.35
Current smoker 1311 53 0.88 0.62–1.25 28 0.86 0.52–1.41
Alcohol intake 0 g/wk 1654 63 1   41 1  
1–49 g/wk 2356 130 1.23 0.94–1.79 55 1.06 0.68–1.63
50–249 g/wk 698 31 1.26 0.77–2.06 18 1.47 0.52–1.41
  1. *Adjusted for other variables in the model