Table 1.

Correlation Matrix and Descriptive Statistics for Study Variables

	1.	2.	3.	4.	5.	6.	7.	8.
1. Age	1
2. Sex (Male=1)	−.12†	1
3. Slow-to-explode Pumps	.40***	.04	1
4. Variable Pumps	.39***	.02	.79***	1
5. Quick-to-explode Pumps	.41***	−.02	.55***	.72***	1
6. Slow-to-explode Points	.46***	.01	.89***	.76***	.60***	1
7. Variable Points	.32***	−.11†	.38***	.52***	.62***	.50***	1
8. Quick-to-explode Points	.10	−.10	−.39***	−.41***	−.27***	−.31***	−.02	1
Mean (SD) or %	13.02 (6.32)	42%	.41 (.19)	.51 (.16)	.81 (.14)	.39 (.15)	.40 (.09)	.46 (.19)

Note.

^†p<.10.

^***p<.001.