This study developed and evaluated a culturally tailored video guided by the health belief model to improve Chinese women's low rate of mammography use. Focus-group discussions and an advisory board meeting guided the video development. A 17-min video, including a soap opera and physician-recommendation segment, was made in Chinese languages. A pretest/posttest pilot was conducted to evaluate the efficacy of the video in changing knowledge, beliefs, and screening intentions among Chinese women (age >or= 40) who were nonadherent to current National Cancer Institute's mammography guidelines (n=52). The results showed that the video significantly increased these women's screening intentions, knowledge, perceived risk for breast cancer, and perceived benefits of mammography. Chinese immigrant women were less likely to hold an Eastern view of health care and report barriers to screening after viewing the video. This video might have the potential to increase adherence to mammography screening in Chinese women.
"Secondly, observing Chinese traditional health beliefs reveals they can be complementary rather than contradictory to the Western biomedical model. For example, some Chinese immigrant women suggested that Western preventive health services could contain more dietary recommendations for cancer prevention (Wang et al., 2008), or could use TCM to manage some side effects (Kim & Merighi, 2007). Thirdly, some TCM health perceptions may inspire a critique of the dominant ideology in Western culture which relates the self-worth, sexuality and femininity of women to their body parts. "
"been less well studied. It is important that the construct of intention is regarded as an immediate determinant of volitional behavior (Montaño & Kasprzyk, 2002) such that changes in intention are often used as the main outcome in intervention trials when screening cannot be measured (Wang et al., 2008). Intention is also key to the differentiation of stages in the very widely used TTM (Prochaska et al., 2002). "
[Show abstract][Hide abstract] ABSTRACT: Intention, self-efficacy, perceived susceptibility, perceived benefits, and subjective norms are key constructs of health behavior theories; their predictive validity for cancer screening has not been ascertained in multiethnic populations. Participants were 1,463 African American, Chinese, Filipina, Latina, and White women aged 40 to 74 interviewed by telephone in their preferred languages. The relationship between baseline constructs and mammography 2 years later was assessed using multivariable logistic regression. Intention predicted mammography overall and among Whites (odds ratio [OR] = 5.0, 95% confidence interval [CI] = 2.4, 10), with racial/ethnic differences in association (p = .020). Self-efficacy predicted mammography overall and among Whites (OR = 3.5, 95% CI = 1.1, 11), with no racial/ethnic interaction. Perceived benefits and subjective norms were associated with screening overall and in some racial/ethnic groups. These results generally support cross-cultural applicability of four of the five constructs to screening with mixed predictive value of measures across racial/ethnic groups. Additional in-depth inquiry is required to refine assessment of constructs.
[Show abstract][Hide abstract] ABSTRACT: A modified version of the constant modulus algorithm (CMA) is presented: the phase-information modified CMA (PI-CMA), which adds a term to minimize the phase-alignment offset often produced by the CMA. The PI-CMA equalizer first acts as a standard CMA and once convergence within a defined region around a constant modulus value is achieved, a phase-alignment correction term is added to the algorithm, aligning (rotating) the constellation toward the orientation of the source constellation, a final phase ambiguity can be corrected by the use of coding or training. We show an application of the PI-CMA in a communication system which uses M-ary phase-shift keying (M-PSK) modulation.
Signals, Systems and Computers, 2004. Conference Record of the Thirty-Eighth Asilomar Conference on; 12/2004
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