Increased participation and improved performance in age group backstroke master swimmers from 25–29 to 100–104 years at the FINA World Masters Championships from 1986 to 2014

Unterweger, Chiara M.; Knechtle, Beat; Nikolaidis, Pantelis T.; Rosemann, Thomas; Rüst, Christoph A.

doi:10.1186/s40064-016-2209-2

SpringerPlus

Table 1 Results of the mixed-effects regression analyses for performances in age groups

From: Increased participation and improved performance in age group backstroke master swimmers from 25–29 to 100–104 years at the FINA World Masters Championships from 1986 to 2014

Parameter	Estimate	p	Parameter	Estimate	p	Parameter	Estimate	p
25–29 years			50–54 years			75–79 years
Constant term	32.54	<0.0001	Constant term	38.70	<0.0001	Constant term	53.91	<0.0001
[sex = women]	5.75	<0.0001	[sex = women]	9.05	<0.0001	[sex = women]	14.61	<0.0001
[distance = 200 m]	119.55	<0.0001	[distance = 200 m]	142.56	<0.0001	[distance = 200 m]	200.59	<0.0001
[distance = 100 m]	37.11	<0.0001	[distance = 100 m]	44.86	<0.0001	[distance = 100 m]	66.44	<0.0001
[sex = women] × [distance = 200 m]	14.78	<0.0001	[sex = women] × [distance = 200 m]	25.30	<0.0001	[sex = women] × [distance = 200 m]	35.83	<0.0001
[sex = women] × [distance = 100 m]	5.19	<0.0001	[sex = women] × [distance = 100 m]	9.02	<0.0001	[sex = women] × [distance = 100 m]	8.40	0.003
30–34 years			55–59 years			80–84 years
Constant term	33.51	<0.0001	Constant term	40.41	<0.0001	Constant term	57.63	<0.0001
[sex = women]	6.49	<0.0001	[sex = women]	12.89	<0.0001	[sex = women]	17.64	<0.0001
[distance = 200 m]	120.87	<0.0001	[distance = 200 m]	151.47	<0.0001	[distance = 200 m]	229.22	<0.0001
[distance = 100 m]	37.81	<0.0001	[distance = 100 m]	47.39	<0.0001	[distance = 100 m]	74.41	<0.0001
[sex = women] × [distance = 200 m]	18.36	<0.0001	[sex = women] × [distance = 200 m]	28.70	<0.0001	[sex = women] × [distance = 200 m]	34.66	<0.0001
[sex = women] × [distance = 100 m]	5.70	<0.0001	[sex = women] × [distance = 100 m]	9.48	<0.0001	[sex = women] × [distance = 100 m]	9.70	0.023
35–39 years			60–64 years			85–89 years
Constant term	34.86	<0.0001	Constant term	42.95	<0.0001	Constant term	67.74	<0.0001
[sex = women]	6.32	<0.0001	[sex = women]	13.44	<0.0001	[sex = women]	15.90	0.064
[distance = 200 m]	125.69	<0.0001	[distance = 200 m]	160.22	<0.0001	[distance = 200 m]	246.22	<0.0001
[distance = 100 m]	39.35	<0.0001	[distance = 100 m]	50.53	<0.0001	[distance = 100 m]	79.94	<0.0001
[sex = women] × [distance = 200 m]	18.34	<0.0001	[sex = women] × [distance = 200 m]	25.20	<0.0001	[sex = women] × [distance = 200 m]	46.33	<0.0001
[sex = women] × [distance = 100 m]	6.54	<0.0001	[sex = women] × [distance = 100 m]	10.14	<0.0001	[sex = women] × [distance = 100 m]	14.57	0.097
40–44 years			65–69 years			90–94 years
Constant term	35.50	<0.0001	Constant term	47.13	<0.0001	Constant term	83.35	<0.0001
[sex = women]	8.07	<0.0001	[sex = women]	12.57	<0.0001	[sex = women]	16.92	0.319
[distance = 200 m]	129.97	<0.0001	[distance = 200 m]	172.40	<0.0001	[distance = 200 m]	300.85	<0.0001
[distance = 100 m]	40.47	<0.0001	[distance = 100 m]	54.57	<0.0001	[distance = 100 m]	93.95	<0.0001
[sex = women] × [distance = 200 m]	20.37	<0.0001	[sex = women] × [distance = 200 m]	25.30	<0.0001	[sex = women] × [distance = 200 m]	26.36	0.192
[sex = women] × [distance = 100 m]	7.15	<0.0001	[sex = women] × [distance = 100 m]	9.99	<0.0001	[sex = women] × [distance = 100 m]	13.51	0.457
45–49 years			70–74 years			95–99 years
Constant term	36.47	<0.0001	Constant term	49.49	<0.0001	Constant term	109.78	<0.0001
[sex = women]	9.76	<0.0001	[sex = women]	14.96	<0.0001	[sex = women]	−62.41	0.053
[distance = 200 m]	135.16	<0.0001	[distance = 200 m]	182.98	<0.0001	[distance = 200 m]	379.98	<0.0001
[distance = 100 m]	42.44	<0.0001	[distance = 100 m]	57.90	<0.0001	[distance = 100 m]	134.31	<0.0001
[sex = women] × [distance = 200 m]	20.64	<0.0001	[sex = women] × [distance = 200 m]	32.21	<0.0001	[sex = women] × [distance = 200 m]	16.57	0.499
[sex = women] × [distance = 100 m]	6.50	<0.0001	[sex = women] × [distance = 100 m]	11.00	<0.0001	[sex = women] × [distance = 100 m]

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