In general, 44 percent of people report that their right thumb is on the outside when they fold their hands. But among those who, when entering a chilly pool, jump in and get it over with rather than wading in little by little, 56 percent say their right thumb is on the outside when they fold their hands.
Based on a survey of 170 people who, when entering a chilly pool, jump in and get it over with rather than wading in little by little and 389 people total.