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124 subjects were tested in a procedure designed to measure sensitivity to transient currents applied cutaneously, and to assess individual characteristics accounting for sensitivity differences. College students (one male and one female group), female office workers, and male maintenance workers (electricians, carpenters, plumbers, and sheet metal workers) were tested. Perception and annoyance thresholds were determined for capacitive discharge stimuli to the fingertip and forearm. Nonsensory data were taken for each individual in an attempt to account for individual sensitivity differences (occupation, sex, age, height, weight, skin temperature, finger and forearm diameter, skin hardness, customary physical activity level, and prior degree of experience with electric shock). Of these, body size was the only significant correlate of electrical sensitivity. Apparent correlations with sex and occupation were found to be artifacts of the body size relationship. A regression equation relating sensitivity to body weight is presented.
Larkin et al. (Thu,) studied this question.