Table 3

Factors associated with lower limb pain in Olympians

Knee painHip painAnkle pain
PrevalenceaOR (95% CI)PrevalenceaOR (95% CI)PrevalenceaOR (95% CI)
n (%)Adjusted a, s, b, in (%)Adjusted a, s, b, in (%)Adjusted a, s, b, i
Age
 20–39101/1194 (8.46)1.00 (reference)63/1194 (5.28)1.00 (reference)41/1194 (3.43)1.00 (reference)
 40–59185/1359 (13.61)1.52 (1.15 to 2.00)80/1359 (5.89)1.36 (0.04 to 1.96)45/1359 (3.31)0.90 (0.57 to 1.41)
>6085/580 (14.66)1.99 (1.41 to 2.80)37/580 (6.38)1.78 (1.13 to 2.82)14/580 (2.41)0.72 (0.38 to 1.39)
Sex
 Male208/1840 (11.30)1.00 (reference)84/1840 (4.57)1.00 (reference)57/1840 (3.10)1.00 (reference)
 Female184/1488 (12.37)1.18 (0.92 to 1.51)102/1488 (6.85)1.65 (1.18 to 2.31)47/1488 (3.16)0.88 (0.57 to 1.36)
BMI
 Normal163/1774 (9.19)1.00 (reference)94/1774 (5.3)1.00 (reference)50/1774 (2.82)1.00 (reference)
 Overweight142/1063 (13.36)1.48 (1.12 to 1.95)65/1063 (6.11)1.34 (0.93 to 1.93)36/1063 (3.39)1.28 (0.79 to 2.06)
 Obese66/342 (19.30)2.34 (1.63 to 3.37)19/342 (5.56)1.26 (0.74 to 2.16)11/342 (3.22)1.14 (0.55 to 2.34)
Injury
 No157/2613 (6.01)1.00 (reference)145/3221 (4.50)1.00 (reference)69/3070 (2.25)1.00 (reference)
 Yes236/744 (31.72)7.32 (5.77 to 9.28)42/136 (30.88)9.76 (6.39 to 14.93)35/287 (12.20)5.99 (3.84 to 9.34)
 Recurrent injury141/343 (41.11)2.33 (1.67 to 3.26)27/72 (37.5)1.98 (0.90 to 4.38)25/119 (21.01)3.88 (1.75 to 8.61)
 Finger nodes43/198 (21.71)1.38 (0.91 to 2.11)20/198 (10.10)2.30 (1.37 to 3.84)12/198 (6.06)
Comorbidities
 None227/2379 (9.54)1.00 (reference)109/2379 (4.58)1.00 (reference)63/2379 (2.65)1.00 (reference)
 1105/696 (15.09)1.35 (1.02 to 1.79)55/696 (7.9)1.49 (1.03 to 2.15)32/696 (4.60)1.71 (1.07 to 2.74)
 2 or more61/282 (21.63)1.97 (1.35 to 2.87)23/282 (8.16)1.71 (1.02 to 2.88)9/282 (3.19)1.28 (0.58 to 2.81)
Knee alignment
 Normal305/2345 (13.00)1.00 (reference)
 Valgus27/131 (20.61)1.54 (0.02 to 2.55)
 Varus54/273 (19.78)1.40 (0.96 to 2.03)
  • Values are presented as count (n) and prevalence (%). aOR adjusted a, s, b, I=OR adjusted for covariates age, sex, BMI and injury. Bold denotes statistical significance.

  • aOR, adjusted OR; BMI, body mass index.