Background It is difficult to estimate the effect of exercise on future health from observational data because exercising may be both a cause and an effect of health status. Unadjusted analyses...
Background It is difficult to estimate the effect of exercise on future health from observational data because exercising may be both a cause and an effect of health status. Unadjusted analyses...
Background It is difficult to estimate the effect of exercise on future health from observational data because exercising may be both a cause and an effect of health status. Unadjusted analyses...
Background It is difficult to estimate the effect of exercise on future health from observational data because exercising may be both a cause and an effect of health status. Unadjusted analyses...
Kurland, Brenda, Johnson, Laura Lee, Diehr, Paula
Diverse analysis approaches have been proposed to distinguish data missing due to death from nonresponse, and to summarize trajectories of longitudinal data truncated by death. We demonstrate how...
Kurland, Brenda, Johnson, Laura Lee, Diehr, Paula
Diverse analysis approaches have been proposed to distinguish data missing due to death from nonresponse, and to summarize trajectories of longitudinal data truncated by death. We demonstrate how...
Kurland, Brenda, Johnson, Laura Lee, Diehr, Paula
Diverse analysis approaches have been proposed to distinguish data missing due to death from nonresponse, and to summarize trajectories of longitudinal data truncated by death. We demonstrate how...
Kurland, Brenda, Johnson, Laura Lee, Diehr, Paula
Diverse analysis approaches have been proposed to distinguish data missing due to death from nonresponse, and to summarize trajectories of longitudinal data truncated by death. We demonstrate how...
Quality of life at the end of life (2007)
Diehr, Paula, Lafferty, William E, Patrick, Donald L, Downey, Lois, Devlin, Sean M, Standish, Leanna J
Abstract Background Little is known about self-perceived quality of life (QOL) near the end of life, because such information is difficult to collect and to interpret. Here, we describe QOL in the...
Diehr, Paula, Derleth, Ann, Cai, Liming, Newman, Anne B
Abstract Background Choosing cost-effective strategies for improving the health of the public is difficult because the relative effects of different types of interventions are not well understood....
Grembowski, David, Paschane, David, Diehr, Paula, Katon, Wayne, Martin, Diane, Patrick, Donald L
Abstract Background Managed care efforts to regulate access to specialists and reduce costs may lower quality of care. Few studies have examined whether managed care is associated with patient...
Diehr, Paula, Chen, Lu, Patrick, Donald L., Feng, Ziding, Yasui, Yutaka
Background: New health status instruments are described by psychometric properties, such as Reliability, Effect Size, and Responsiveness. For cluster-randomized trials, another important statistic is...
Diehr, Paula, Chen, Lu, Patrick, Donald L., Feng, Ziding, Yasui, Yutaka
Background: New health status instruments are described by psychometric properties, such as Reliability, Effect Size, and Responsiveness. For cluster-randomized trials, another important statistic is...
Diehr, Paula, Chen, Lu, Patrick, Donald L., Feng, Ziding, Yasui, Yutaka
Background: New health status instruments are described by psychometric properties, such as Reliability, Effect Size, and Responsiveness. For cluster-randomized trials, another important statistic is...
Diehr, Paula, Chen, Lu, Patrick, Donald L., Feng, Ziding, Yasui, Yutaka
Background: New health status instruments are described by psychometric properties, such as Reliability, Effect Size, and Responsiveness. For cluster-randomized trials, another important statistic is...
Different Public Health Interventions have Varying Effects (2006)
Diehr, Paula, Newman, Anne B., Cai, Liming, Derleth, Ann
Objective: To compare performance of one-time health interventions to those that change the probability of transitioning from one health state to another. Study Design and Setting: We used...
Different Public Health Interventions have Varying Effects (2006)
Diehr, Paula, Newman, Anne B., Cai, Liming, Derleth, Ann
Objective: To compare performance of one-time health interventions to those that change the probability of transitioning from one health state to another. Study Design and Setting: We used...
Different Public Health Interventions have Varying Effects (2006)
Diehr, Paula, Newman, Anne B., Cai, Liming, Derleth, Ann
Objective: To compare performance of one-time health interventions to those that change the probability of transitioning from one health state to another. Study Design and Setting: We used...
Different Public Health Interventions have Varying Effects (2006)
Diehr, Paula, Newman, Anne B., Cai, Liming, Derleth, Ann
Objective: To compare performance of one-time health interventions to those that change the probability of transitioning from one health state to another. Study Design and Setting: We used...
Is the Number of Sick Persons in a Cohort Constant Over Time? (2005)
Diehr, Paula, Derleth, Ann, Newman, Anne, Cai, Liming
Objectives: To estimate the number of persons in a cohort who are sick, over time.Methods: We calculated the number of sick persons in the Cardiovascular Health Study (CHS), a cohort study of older...
Is the Number of Sick Persons in a Cohort Constant Over Time? (2005)
Diehr, Paula, Derleth, Ann, Newman, Anne, Cai, Liming
Objectives: To estimate the number of persons in a cohort who are sick, over time.Methods: We calculated the number of sick persons in the Cardiovascular Health Study (CHS), a cohort study of older...
Is the Number of Sick Persons in a Cohort Constant Over Time? (2005)
Diehr, Paula, Derleth, Ann, Newman, Anne, Cai, Liming
Objectives: To estimate the number of persons in a cohort who are sick, over time.Methods: We calculated the number of sick persons in the Cardiovascular Health Study (CHS), a cohort study of older...
Is the Number of Sick Persons in a Cohort Constant Over Time? (2005)
Diehr, Paula, Derleth, Ann, Newman, Anne, Cai, Liming
Objectives: To estimate the number of persons in a cohort who are sick, over time.Methods: We calculated the number of sick persons in the Cardiovascular Health Study (CHS), a cohort study of older...
Incorporating Death into Health-Related Variables in Longitudinal Studies (2004)
Diehr, Paula, Johnson, Laura Lee, Patrick, Donald L., Psaty, Bruce
Background: The aging process can be described as the change in health-related variables over time. Unfortunately, simple graphs of available data may be misleading if some people die, since they may...
Incorporating Death into Health-Related Variables in Longitudinal Studies (2004)
Diehr, Paula, Johnson, Laura Lee, Patrick, Donald L., Psaty, Bruce
Background: The aging process can be described as the change in health-related variables over time. Unfortunately, simple graphs of available data may be misleading if some people die, since they may...
Incorporating Death into Health-Related Variables in Longitudinal Studies (2004)
Diehr, Paula, Johnson, Laura Lee, Patrick, Donald L., Psaty, Bruce
Background: The aging process can be described as the change in health-related variables over time. Unfortunately, simple graphs of available data may be misleading if some people die, since they may...
Incorporating Death into Health-Related Variables in Longitudinal Studies (2004)
Diehr, Paula, Johnson, Laura Lee, Patrick, Donald L., Psaty, Bruce
Background: The aging process can be described as the change in health-related variables over time. Unfortunately, simple graphs of available data may be misleading if some people die, since they may...
Performance of the Halex in Logitudinal Studies of Older Adults (2002)
Diehr, Paula, Patrick, Donald L., Burke, Gregory L., Williamson, Jeff D.
Goal: The Halex is an indicator of health status that combines self-rated health and activity limitations, which has been used by NCHS to predict future years of healthy life. The scores for each...
Performance of the Halex in Logitudinal Studies of Older Adults (2002)
Diehr, Paula, Patrick, Donald L., Burke, Gregory L., Williamson, Jeff D.
Goal: The Halex is an indicator of health status that combines self-rated health and activity limitations, which has been used by NCHS to predict future years of healthy life. The scores for each...
Performance of the Halex in Logitudinal Studies of Older Adults (2002)
Diehr, Paula, Patrick, Donald L., Burke, Gregory L., Williamson, Jeff D.
Goal: The Halex is an indicator of health status that combines self-rated health and activity limitations, which has been used by NCHS to predict future years of healthy life. The scores for each...
Performance of the Halex in Logitudinal Studies of Older Adults (2002)
Diehr, Paula, Patrick, Donald L., Burke, Gregory L., Williamson, Jeff D.
Goal: The Halex is an indicator of health status that combines self-rated health and activity limitations, which has been used by NCHS to predict future years of healthy life. The scores for each...
Weight-modification trials in older adults: what should the outcome measure be? (2002)
Diehr, Paula, Newman, Anne B, Jackson, Sharon A, Kuller, Lewis, Powe, Neil
Abstract Background Overweight older adults are often counseled to lose weight, even though there is little evidence of excess mortality in that age group. Overweight and underweight may be more...
Probabilities of Transition Among Health States for Older Adults (2001)
Diehr, Paula, Patrick, Donald L.
Goal: To estimate the probabilities of transition among self-rated health states for older adults, and examine how they vary by age and sex. Methods: We used self-rated health (Excellent, Very Good,...
Probabilities of Transition Among Health States for Older Adults (2001)
Diehr, Paula, Patrick, Donald L.
Goal: To estimate the probabilities of transition among self-rated health states for older adults, and examine how they vary by age and sex. Methods: We used self-rated health (Excellent, Very Good,...
Probabilities of Transition Among Health States for Older Adults (2001)
Diehr, Paula, Patrick, Donald L.
Goal: To estimate the probabilities of transition among self-rated health states for older adults, and examine how they vary by age and sex. Methods: We used self-rated health (Excellent, Very Good,...
Probabilities of Transition Among Health States for Older Adults (2001)
Diehr, Paula, Patrick, Donald L.
Goal: To estimate the probabilities of transition among self-rated health states for older adults, and examine how they vary by age and sex. Methods: We used self-rated health (Excellent, Very Good,...
Gibson, P. Joseph, Koepsell, Thomas D., Diehr, Paula, Hale, Christiane
Mailing surveys to low-income populations is often avoided because of concern about low response rates. In this study, the authors used a mailed survey of a low-income population to test whether...
Multiple Outcomes in Health Services Research: Hypothesis Tests and Power (1997)
Martin, Donald C., Diehr, Paula, Koepsell, Thomas D., Fihn, Stephan D.
Health services research often is directed towards making small improvements in a number of outcomes that reflect many aspects of the patient's life rather than a large improvement in a single well...
Multiple Outcomes in Health Services Research: Hypothesis Tests and Power (1997)
Martin, Donald C., Diehr, Paula, Koepsell, Thomas D., Fihn, Stephan D.
Health services research often is directed towards making small improvements in a number of outcomes that reflect many aspects of the patient's life rather than a large improvement in a single well...
Multiple Outcomes in Health Services Research: Hypothesis Tests and Power (1997)
Martin, Donald C., Diehr, Paula, Koepsell, Thomas D., Fihn, Stephan D.
Health services research often is directed towards making small improvements in a number of outcomes that reflect many aspects of the patient's life rather than a large improvement in a single well...
Multiple Outcomes in Health Services Research: Hypothesis Tests and Power (1997)
Martin, Donald C., Diehr, Paula, Koepsell, Thomas D., Fihn, Stephan D.
Health services research often is directed towards making small improvements in a number of outcomes that reflect many aspects of the patient's life rather than a large improvement in a single well...
Pooling Community Data for Community Interventions When the Number of Pairs is Small (1997)
Diehr, Paula, Lystig, Ted, Andrilla, Holly, Feng, Ziding
There is considerable interest in community interventions for health promotion, where the community is the experimental unit. Because such interventions are expensive, the number of experimental...
Pooling Community Data for Community Interventions When the Number of Pairs is Small (1997)
Diehr, Paula, Lystig, Ted, Andrilla, Holly, Feng, Ziding
There is considerable interest in community interventions for health promotion, where the community is the experimental unit. Because such interventions are expensive, the number of experimental...
Pooling Community Data for Community Interventions When the Number of Pairs is Small (1997)
Diehr, Paula, Lystig, Ted, Andrilla, Holly, Feng, Ziding
There is considerable interest in community interventions for health promotion, where the community is the experimental unit. Because such interventions are expensive, the number of experimental...
Pooling Community Data for Community Interventions When the Number of Pairs is Small (1997)
Diehr, Paula, Lystig, Ted, Andrilla, Holly, Feng, Ziding
There is considerable interest in community interventions for health promotion, where the community is the experimental unit. Because such interventions are expensive, the number of experimental...
An Empirical Study of Small-Area Variation for ICD-9 Surgical Procedures (1994)
Diehr, Paula, Cain, Kevin, Ye, Zhan, Loeser, John
Objective. Several measures of variation have been used in SAVA. One study of DRGs found that the coefficient of variation from analysis of variance (CVA) had superior performance. That work is...
An Empirical Study of Small-Area Variation for ICD-9 Surgical Procedures (1994)
Diehr, Paula, Cain, Kevin, Ye, Zhan, Loeser, John
Objective. Several measures of variation have been used in SAVA. One study of DRGs found that the coefficient of variation from analysis of variance (CVA) had superior performance. That work is...
An Empirical Study of Small-Area Variation for ICD-9 Surgical Procedures (1994)
Diehr, Paula, Cain, Kevin, Ye, Zhan, Loeser, John
Objective. Several measures of variation have been used in SAVA. One study of DRGs found that the coefficient of variation from analysis of variance (CVA) had superior performance. That work is...
An Empirical Study of Small-Area Variation for ICD-9 Surgical Procedures (1994)
Diehr, Paula, Cain, Kevin, Ye, Zhan, Loeser, John
Objective. Several measures of variation have been used in SAVA. One study of DRGs found that the coefficient of variation from analysis of variance (CVA) had superior performance. That work is...
Susan L. Rosenkranz, Adrian E. Raftery, Paula Diehr
The Bayes factor is employed to select covariates for a hierarchical model applied to a collection of hospital admission counts. Integrals representing the Bayes factor numerator and denominator...
Psaty, Bruce M., Cheadle, Allen, Koepsell, Thomas D., Diehr, Paula, Wickizer, Thomas, Curry, Susan, ...
The purpose of this study was to describe race- and ethnicity-specific characteristics of subjects lost to follow-up. For a study of community-based health interventions, adult subjects from 11 US...
Diehr, Paula, Martin, Don C., Koepsell, Thomas D., Cheadle, Allen D.
There is considerable interest in community interventions for health promotion, where the community is the experimental unit. Because such interventions are expensive, the number of experimental...
Diehr, Paula, Martin, Don C., Koepsell, Thomas D., Cheadle, Allen D.
There is considerable interest in community interventions for health promotion, where the community is the experimental unit. Because such interventions are expensive, the number of experimental...
Diehr, Paula, Martin, Don C., Koepsell, Thomas D., Cheadle, Allen D.
There is considerable interest in community interventions for health promotion, where the community is the experimental unit. Because such interventions are expensive, the number of experimental...
Diehr, Paula, Martin, Don C., Koepsell, Thomas D., Cheadle, Allen D.
There is considerable interest in community interventions for health promotion, where the community is the experimental unit. Because such interventions are expensive, the number of experimental...
The Multiple Admission Factor (MAF) in Small Area Variation Analysis (1992)
Small area variation analysis are often based on area-level data such as the total number of hospital admissions within an area, rather than person-level data. Such analysis often make the assumption...
The Multiple Admission Factor (MAF) in Small Area Variation Analysis (1992)
Small area variation analysis are often based on area-level data such as the total number of hospital admissions within an area, rather than person-level data. Such analysis often make the assumption...
The Multiple Admission Factor (MAF) in Small Area Variation Analysis (1992)
Small area variation analysis are often based on area-level data such as the total number of hospital admissions within an area, rather than person-level data. Such analysis often make the assumption...
The Multiple Admission Factor (MAF) in Small Area Variation Analysis (1992)
Small area variation analysis are often based on area-level data such as the total number of hospital admissions within an area, rather than person-level data. Such analysis often make the assumption...
Multi-level Analysis in Epidemiologic Research on Health Behaviors and Outcomes (1992)
Von Korff, Michael, Koepsell, Thomas, Curry, Susan, Diehr, Paula
Individual-level health behaviors and outcomes have multi-level determinants (individual and environmental). Multi-level analysis seeks to explain individual outcomes in terms of both individual and...
Psaty, Bruce M., Cheadle, Allen, Curry, Susan, McKenna, Thomas, Koepsell, Thomas D., Wickizer, Thomas, ...
A study of health behaviors in four communities in the western United States in 1988 provided the opportunity to compare two methods of sampling elderly respondents for a telephone interview. The...
Durham, Mary L., Beresford, Shirley, Diehr, Paula, Grembowski, David, Hecht, Julia A., Patrick, Donald L.
In a study of older enrollees in an HMO, we found that seniors who are higher users of health care services are willing to participate in health promotion programs. Although people aged 85 or older...
Factors Associated with Participation in a Randomized Trial of Adult Day Health Care (1991)
Hedrick, Susan, Johnson, J. Randal, Inui, Thomas S., Diehr, Paula
It is not always possible to estimate the sample sizes needed in health services research because special formulas are needed, and the necessary data may not be available to use in the formulas. We...
It is not always possible to estimate the sample sizes needed in health services research because special formulas are needed, and the necessary data may not be available to use in the formulas. We...
It is not always possible to estimate the sample sizes needed in health services research because special formulas are needed, and the necessary data may not be available to use in the formulas. We...
It is not always possible to estimate the sample sizes needed in health services research because special formulas are needed, and the necessary data may not be available to use in the formulas. We...
Statistical Measures for Admission Rates (1978)
Hospital admission rates are often shown and interpreted without consideration of their inherent variability, which may lead to faulty conclusions. This may be because theoretically correct variance...
Statistical Measures for Admission Rates (1978)
Hospital admission rates are often shown and interpreted without consideration of their inherent variability, which may lead to faulty conclusions. This may be because theoretically correct variance...
Statistical Measures for Admission Rates (1978)
Hospital admission rates are often shown and interpreted without consideration of their inherent variability, which may lead to faulty conclusions. This may be because theoretically correct variance...
Statistical Measures for Admission Rates (1978)
Hospital admission rates are often shown and interpreted without consideration of their inherent variability, which may lead to faulty conclusions. This may be because theoretically correct variance...
Weight-modification trials in older adults: what should the outcome measure be?
Diehr, Paula, Newman, Anne B, Jackson, Sharon A, Kuller, Lewis, Powe, Neil
Managed Care, Access to Specialists, and Outcomes among Primary Care Patients with Pain
Grembowski, David E, Martin, Diane, Diehr, Paula, Patrick, Donald L, Williams, Barbara, Novak, Louise, ...
Managed Care, Physician Job Satisfaction, and the Quality of Primary Care
Grembowski, David, Paschane, David, Diehr, Paula, Katon, Wayne, Martin, Diane, Patrick, Donald L
Grembowski, David E, Martin, Diane, Patrick, Donald L, Diehr, Paula, Katon, Wayne, Williams, Barbara, ...
Weight-modification trials in older adults: what should the outcome measure be?
Diehr, Paula, Newman, Anne B, Jackson, Sharon A, Kuller, Lewis, Powe, Neil
Managed Care, Access to Specialists, and Outcomes among Primary Care Patients with Pain
Grembowski, David E, Martin, Diane, Diehr, Paula, Patrick, Donald L, Williams, Barbara, Novak, Louise, ...
Managed Care, Physician Job Satisfaction, and the Quality of Primary Care
Grembowski, David, Paschane, David, Diehr, Paula, Katon, Wayne, Martin, Diane, Patrick, Donald L
Grembowski, David E, Martin, Diane, Patrick, Donald L, Diehr, Paula, Katon, Wayne, Williams, Barbara, ...
Quality of life at the end of life
Diehr, Paula, Lafferty, William E, Patrick, Donald L, Downey, Lois, Devlin, Sean M, Standish, Leanna J
Risk adjusting capitation: Applications in employed and disabled populations
Carolyn Madden, Bret Mackay, Susan Skillman, Marcia Ciol, Paula Diehr
Risk adjustment may be a sensible strategy to reduce selection bias because it links managed care payment directly to the costs of providing services. In this paper we compare risk adjustment models...
Incorporating Death into Health-Related Variables in Longitudinal Studies
Paula Diehr, Laura Lee Johnson, Donald Patrick, Bruce Psaty
Background: The aging process can be described as the change in health-related variables over time. Unfortunately, simple graphs of available data may be misleading if some people die, since they may...
Ethnic differences in satisfaction and quality of life in veterans with ischemic heart disease.
Ohldin, Andrea, Young, Bessie, Derleth, Ann, McDonell, Mary, Diehr, Paula, Kiefe, Catarina, ...
OBJECTIVE: To assess differences in self-reported health status and satisfaction between African-American and caucasian veterans with ischemic heart disease (IHD). DATA SOURCES/STUDY SETTING:...