Table 4. Binary logistic regression analysis for lifetime prevalence of BP.

Variables	p-value	OR	95% CI
			lower	upper
Training volume	0.011	1.119	1.027	1.219
Competition level	0.023	1.253	1.031	1.521
Playing experience	0.958	0.997	0.903	1.102
Number of competitions	0.291	0.987	0.963	1.011

CI = confidence interval, lower = lower limit, OR = odds ratio, upper = upper limit.