Table 1.

Comparison of least squares means for voluntary wheel-running traits and for ending treadmill speed during endurance test, including ratios

Wheel NWheel distance run (m day–1)Wheel mean speed (m min–1)Wheel max. speed in 1 min (m min–1)Endurance NTreadmill ending endurance speed (m min–1)Wheel mean ending/endurance speedWheel max. ending/endurance speed
HR male 23 8668±1125 20.3±2.04 35.3±2.46 15 44.0 (26.0, 48.5) 0.461 0.802
HR female 21 11,890±1115 24.3±2.01 40.5±2.41 22 45.5 (26.0, 50.0) 0.534 0.890
C male 26 2909±1320 10.4±2.37 21.4±2.88 26 39.5 (24.5, 42.5) 0.263 0.552
C female 26 4024±1324 10.3±2.4 22.0±2.88 25 41.0 (24.5, 44.0) 0.251 0.537
Wheel NWheel distance run (m day–1)Wheel mean speed (m min–1)Wheel max. speed in 1 min (m min–1)Endurance NTreadmill ending endurance speed (m min–1)Wheel mean ending/endurance speedWheel max. ending/endurance speed
HR male 23 8668±1125 20.3±2.04 35.3±2.46 15 44.0 (26.0, 48.5) 0.461 0.802
HR female 21 11,890±1115 24.3±2.01 40.5±2.41 22 45.5 (26.0, 50.0) 0.534 0.890
C male 26 2909±1320 10.4±2.37 21.4±2.88 26 39.5 (24.5, 42.5) 0.263 0.552
C female 26 4024±1324 10.3±2.4 22.0±2.88 25 41.0 (24.5, 44.0) 0.251 0.537

Values for wheel running are least squares means ± s.e. from SAS Procedure Mixed for averages of days 5 and 6 of a 6 day test. Values for endurance speeds are also SAS least squares means and 95% confidence intervals, based on back-transformation from the square-root scale, for the higher of two endurance tests. See text for significance levels

C, control; HR, high runner

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