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"May 2002." Bibliography: leaves 123-144. Aspects of the control of ventilation and an upper airway dilator muscle (genioglossus) are compared between healthy men and women, in an attempt to identify a gender difference that may contribute to the high male prevalence of sleep apnea.

The purpose of this study is to analyze the sources of occupational segregation between men and women. Specifically, three hypotheses are tested. First, do stiff specific training requirements for an occupation increase the likelihood that it is male-dominated, as would be expected from human capital theory? Second, do differences in perceived natural ability between the sexes heavily influence the possibility of an occupation being male- or female-dominated? Finally, do differences in preferences for job attributes between men and women influence the chance of whether an occupation will be male- or female-dominated? The data used in this study cover 495 occupations from 1979 in which on-the-job worker requirements are provided describing workers' level and type of education, natural ability, on-the-job environmental conditions, and physical demands. Occupations are divided into three categories: female-dominated, male-dominated, or neutral. The empirical model uses a multinomial approach to estimate the log of the odds that an occupation is male-dominated relative to being neutral and the log of the odds that an occupation is female-dominated relative to being neutral. The results of this study imply that sizable specific training requirements for an occupation increase the likelihood that it is male-dominated and higher levels of general education requirements increase the possibility that an occupation is female-dominated. There is evidence to support the hypothesis that differences between the sexes' perceived abilities contribute to occupational segregation. Most on-the-job environmental conditions and physical demands do not affect the likelihood that an occupation is male- or female-dominated in contrast to the traditional claim that women prefer more desirable working conditions than men. / Graduation date: 1994

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This study identified gender-related differences in post-exercise peripheral blood flow and body temperature in neutral environment (21ºC). The subjects were 11 male (22 +/- 4 years) and 14 pre-ovulatory female (23 +/- 3 years) recreational runners VO2max: 62 +/- 5 mL/kg &bull; min for men and 55 +/- 5 mL/kg &bull; min for women). Forearm blood flow rectal (Trec) and forearm skin temperatures (Tsk), and forearm vascular resistance (mean arterial pressure/forearm blood flow) were measured pre-exercise (pre), immediately after (t = 0), and every 15 minutes up to 105 minutes (t = 105) post-exercise (45-minute run at 75% of VO2max). ANOVA revealed main gender effects for Trec, Tsk, and forearm blood flow (men > women) as well as for forearm vascular resistance (women > men). Compared to pre-exercise, Trec at t = 0 showed a similar increase in men (1.3ºC) and women (1.2ºC). Trec decreased thereafter to reach pre-exercise level after 25 minutes in men. In women, Trec kept decreasing to reach a lower than pre-exercise level after 60 minutes (p < 0.05). Tsk was similar at pre and t = 0 for both genders. In contrast, Tsk was lower in women than men (29.0 +/- 1.3 versus 30.7 +/- 1.5ºC) at t = 105 (p < 0.05). Forearm vascular resistance was similar in men and women pre-exercise and decreased by about 50% in both groups at t = 0. Between t = 30 and t = 105, the women increased their forearm vascular resistance up to 35% more than did the men. These observations suggest the existence of gender-related differences in thermoregulatory and cutaneous blood flow responses during recovery from submaximal exercise.

Thesis (M.A.)--Youngstown State University, 2000. / Includes bibliographical references (leaves 109-125).

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