Table 5

Multivariate logistic regression analysis for practice

Practice	Variables	Multivariate analysis
Practice	Variables	OR	95% CI	P value
	Knowledge	1.114	1.060 to 1.171	<0.001
	Attitude	1.144	1.085 to 1.209	<0.001
	Age
	Gender
	Male	0.583	0.297 to 1.107	0.107
	Female	Reference
	Monthly per capita income, ¥
	<2000	Reference
	2000–5000	1.438	0.599 to 3.790	0.436
	5000–10 000	2.541	1.035 to 6.847	0.051
	>10 000	2.473	0.887 to 7.371	0.091
	Prefer not to disclose	1.208	0.491 to 3.240	0.692
	Smoking
	Never smoked	Reference
	Former smoker	0.698	0.231 to 1.898	0.498
	Current smoker	0.965	0.394 to 2.281	0.937
	Alcohol consumption
	Never consumed alcohol	Reference
	Former drinker	0.791	0.371 to 1.612	0.530
	Current drinker	0.643	0.337 to 1.190	0.168
	Medical insurance
	Yes	1.431	0.775 to 2.767	0.267
	No	Reference
	Diffuse tender points around the ankle joint
	With	0.624	0.322 to 1.173	0.152
	Without	Reference
	Unclear	0.618	0.326 to 1.138	0.13
	Severity of ankle injury
	Very severe, unable to walk
	Moderately severe, pain with pressure
	Not very severe, slight pain with pressure
	Cartilage injury of the talus
	With	5.584	1.991 to 15.813	0.001
	Without	Reference
	Unclear	0.966	0.572 to 1.623	0.896
	Recovered from ankle injury
	Yes	1.888	0.910 to 4.275	0.104
	No	Reference