Table 3.

Multilevel regression analyses for changes across years in sex difference in swimming, cycling, running, and overall race times with correction for multiple finishes

	β	SE (β)	Stand β	T	P-value
Swimming
Ironman	−0.36	0.15	−0.37	−2.31	0.02
Double iron	−0.40	0.28	−0.26	−1.42	0.16
Triple iron	−0.67	0.49	−0.28	−1.38	0.17
Quadruple iron	−0.80	3.48	−0.22	−0.22	0.85
Quintuple iron	−0.73	0.95	−0.40	−0.77	0.49
Deca iron	−2.43	1.43	−0.60	−1.69	0.15
Cycling
Ironman	−0.19	0.10	−0.31	−1.90	0.06
Double iron	0.03	0.28	0.02	0.11	0.90
Triple iron	0.94	0.32	0.52	2.88	0.00
Quadruple iron	−10.39	23.03	−0.41	−0.45	0.73
Quintuple iron	−0.11	1.72	−0.03	−0.06	0.95
Deca iron	0.06	1.17	0.02	0.05	0.95
Running
Ironman	−0.43	0.09	−0.63	−4.68	<0.001
Double iron	0.22	0.50	0.08	0.45	0.65
Triple iron	1.67	0.51	0.57	3.27	0.003
Quadruple iron	−6.10	13.81	−0.40	−0.44	0.73
Quintuple iron	0.47	1.59	0.17	0.30	0.78
Deca iron	4.09	2.53	0.58	1.61	0.16
Overall
Ironman	−0.26	0.05	−0.63	−4.68	<0.001
Double iron	0.01	0.30	0.009	0.04	0.96
Triple iron	1.11	0.31	0.6	3.58	0.002
Quadruple iron	−7.68	16.91	−0.41	−0.45	0.72
Quadruple iron	−0.20	1.58	−0.07	−0.13	0.9
Deca iron	1.63	0.81	0.66	2.0	0.1

Abbreviations: b, regression coefficient; SE (b), standard error of regression coefficient; Stand b, standardized regression coefficient.