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PubMed1999

Health status in obstructive sleep apnea: relationship with sleep fragmentation and daytine sleepiness, and effects of continuous positive airway pressure treatment.

Patients with obstructive sleep apnea (OSA) have impaired health status that improves with nasal continuous positive airway pressure (nCPAP). The study reported here explored the relationships between health status, its improvement with nCPAP, sleep fragmentation, and daytime sleepiness. In the study, 51 patients (46 male, five female) ranging from nonsnorers to individuals with severe OSA (median apnea/hypopnea index [AHI] 25, 90% central range: 1 to 98) had polysomnography with microarousal scoring, respiratory arousal scoring, and measurement of pulse transit time. The Short Form-36 Health Survey (SF-36) questionnaire was administered before and after 4 wk of nCPAP treatment; daytime sleepiness was also measured before starting nCPAP. Relationships between pretreatment health status and sleep fragmentation were weak, but significant associations were found between all sleep fragmentation indices and health status improvement with nCPAP (e.g., arousals according to the criteria of the American Sleep Disorders Association versus change in the physical component summary, r = 0.44, p < 0.001). Compared with general population data, the dimensions of energy and vitality and physical role limitation were abnormal before nCPAP (p < 0.05) and normalized with treatment. Sleepiness and pretreatment SF-36 values correlated significantly (Epworth Sleepiness Scale versus energy and vitality, r = -0.47, p < 0.001; modified Maintenance of Wakefulness Test versus energy and vitality, r = 0.32, p < 0.05). We conclude that the health status of patients with OSA improves with nCPAP and this improvement correlates with sleep fragmentation severity. However, the correlation is not very close, which may reflect the improvement with nCPAP of other symptoms not directly related to disease severity.

Adult↗
PubMed1995

Derivation and properties of a brief health status assessment instrument for use in HIV disease.

Health status measures adapted from the Medical Outcomes Study (MOS) scales have been shown to be useful and highly reliable in human immunodeficiency virus-infected populations, but acceptance of these measures has been limited in part by concerns over investigator, patient, and data burden. We sought to address these concerns by reducing the number of items in the MOS scales rather than by reducing the number of domains covered. We selected items for the shorter scales based on the static and dynamic relationships to the longer scales and to indicators of clinical and functional status in 10,399 responses from 1,934 participants, as well as in relevant subpopulations. The resulting scales have a total of 21 items, as compared to 38 in the longer instrument. Correlations between the shorter and longer scales were excellent. At 0.78 to 0.85, the reliability of the subscales was lower than that of the full scales. However, compared to an index based on the longer scales, an index based on the subscales had identical reliability, yielded nearly identical values, and was as sensitive in detecting treatment differences in a clinical trial. The resulting instrument continues to cover disability, work, utilization, and health status, but is less than half the length of our previous comprehensive questionnaires.

Activities of Daily Living↗
PubMed1989

The measurement of health status in clinical practice.

Functional status measurement and the assessment of health status are reaching their maturity as technical disciplines. Good tools exist that meet requirements such as brevity, validity, reliability, ease of administration, and ease of scoring, which make them potentially suitable for use in clinical practice. Despite this progress, widespread adoption of measurement tools has not occurred in the clinical world. The authors analyze both the potential and the barriers to use of health assessment tools in practice and note the need for better scientific evidence of their clinical utility, as opposed to their information content. Dissemination of these tools among practitioners will require, above all, evidence and conviction that the use of measurement instruments will actually enhance the very health status outcomes they assess.

Activities of Daily Living↗
PubMed1998

Health status and mammography use among older women.

OBJECTIVE: To assess the extent to which an age-associated reduction in mammography use can be explained by declining self-reported health status. DESIGN: We analyzed data from the 1992 National Health Interview Survey (NHIS) and Cancer Control Supplement. Logistic regression analysis was used to evaluate the association between age, health status (self-reported health and limitations in major activity), and other variables potentially related to mammography use within the past 1 year (recent mammography). PARTICIPANTS: Of 12,035 NHIS respondents we restricted our analysis to the 1,772 women aged 50 years or older who reported one or more lifetime mammograms. We excluded women without a mammogram (n = 937) because we were interested in factors related to recent use versus past use of mammography. MEASUREMENTS AND MAIN RESULTS: The percentage of women with a recent mammogram declined with increasing age, and the age association was independent of other factors including health status (adjusted odds ratio [OR] comparing women aged 75 years or older with those aged 50 to 64 years was 0.54; 95% confidence interval [CI] 0.41, 0.70). This age effect persisted in an analysis restricted to women reporting good or better health (adjusted OR was 0.60, 95% CI 0.44, 0.80). CONCLUSION: The observed decline in recent mammography use with advancing age was not explained by variation in health status. Because healthy elderly women may live long enough to realize the potential benefit of screening mammography, factors responsible for its reduced use should be identified. Doing so will allow for the selective promotion of screening mammography among those older women most likely to benefit.

Age Factors↗
PubMed2006

Preference-weighted health status associated with substance use-disorders treatment.

OBJECTIVE: Cost-effectiveness analyses using preference-weighted health status as the measure of effectiveness allow for the direct comparison of cost-effectiveness ratios for physical and mental health interventions. However, these analyses are not commonly used for substance use-disorders interventions. We conducted a methodological evaluation of the relationship between preference-weighted health status and 6-month substance use-disorders treatment outcomes. METHOD: The design was an observational study of clients receiving substance use-disorders treatment. Fifteen high-volume treatment centers within a regional managed behavioral health care organization participated. There were 165 subjects (117 men, 48 women) diagnosed with current Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, substance dependence in the analysis. Baseline and 6-month data included substance-use quantity, frequency, and diagnostic criteria and preference-weighted Medical Outcomes Study Short Form-36 scores based on visual analog scale (VAS) and standard gamble (SG) conversion formulas. RESULTS: Controlling for sociodemographic variables, VAS change for early remission at 6 months was 0.107 (p = .0002) (reference category continued dependence). SG change for early remission at 6 months was 0.041 (p < .0004). Using heavy drinkers as the reference category, VAS preference-weighted change was 0.062 (p = .10) for abstinent and 0.112 (p = .01) for moderate drinkers. SG preference-weighted change was 0.027 (p = .08) for abstinent and 0.046 (p = .01) for moderate drinkers. CONCLUSIONS: These findings support the construct validity of preference-weighted health status in substance use-disorders treatment. Direct comparisons of the cost-effectiveness of substance use-disorders treatment with other mental or physical health interventions are critical during times of limited health care resources.

Adult↗
PubMed2000

Evaluation of New York State's Child Health Plus: access, utilization, quality of health care, and health status.

BACKGROUND: The recently enacted State Children's Health Insurance Program (SCHIP) is modeled after New York State's Child Health Plus (CHPlus) program. Since 1991, CHPlus has provided health insurance to children 0 to 13 years old whose annual family income was below 222% of the federal poverty level and who were ineligible for Medicaid or did not have equivalent health insurance coverage. CHPlus covered the costs for ambulatory, emergency, and specialty care, and prescriptions, but not inpatient services. OBJECTIVES: To assess the change associated with CHPlus regarding 1) access to health care; 2) utilization of ambulatory, inpatient, and emergency services; 3) quality of health care; and 4) health status. SETTING: Six western New York State counties (including the city of Rochester). SUBJECTS: Children (0-6.99 years old) enrolled for at least 9 consecutive months in CHPlus. METHODS: The design was a before-and-after study, comparing individual-level outcomes for the 12 months immediately before CHPlus enrollment and the 12 months immediately after enrollment in CHPlus. Parent telephone interviews and medical chart reviews conducted 12 months after enrollment to gather information. Subjects' primary care charts were located by using interview information; emergency department (ED) charts were identified by searching patient records at all 12 EDs serving children in the study; and health department charts were identified by searching patient records at the 6 county health department clinics. Logistic regression and Poisson regression were used to compare the means of dependent measures with and without CHPlus coverage, while controlling for age, prior insurance type, and gap in insurance coverage before CHPlus. RESULTS: Complete data were obtained for 1730 children. Coverage by CHPlus was associated with a significant improvement in access to care as measured by the proportion of children reported as having a usual source of care (preventive care: +1.9% improvement during CHPlus and sick care: +2. 7%). CHPlus was associated, among children 1 to 5 years old, with a significant increase in utilization of preventive care (+.23 visits/child/year) and sick care (+.91 visits/child/year) but no measurable change in utilization of specialty, emergency, or inpatient care. CHPlus was also associated, among children 1 to 5 years old, with significantly higher immunization rates (up-to-date for immunizations: 76% vs 71%), and screening rates for anemia (+11% increased proportion screened/year), lead (+9%), vision (+11%), and hearing (+7%). For 25% of the children, a parent reported that their child's health was improved as a result of having CHPlus. CONCLUSION: After enrollment in CHPlus, access to and utilization of primary care increased, continuity of care improved, and many quality of care measures were improved while utilization of emergency and specialty care did not change. Many parents reported improved health status of their child as a result of enrollment in CHPlus. Implication. This evaluation suggests that SCHIP programs are likely to improve access to, quality of, and participation in primary care significantly and may not be associated with significant changes in specialty or emergency care.

Child↗
PubMed1998

[Is subjective health status a good predictor of work resumption?].

The aim of the study is to investigate how persons with long term work-disability due to low back pain assess their health status and how the subjective health measurement influence work resumption (n = 663). Information on their subjective health status at 42 days after start of work-disability is set in relation to the outcomes "Continued work disability after 84 days" versus "work resumption". Bi- and multivariate analysis show that information on the subjective health status and the subjective work prognosis differs between both groups already after 42 days. The results show that the subjective health status in connection with the subjective work prognosis is a good predictor for "Non-resumption of work", but not a sufficiently good predictor for "Resumption to work".

Adolescent↗
PubMed2004

Hypertension, diabetes, hypercholesterolemia, and their combinations increased health care utilization and decreased health status.

BACKGROUND AND OBJECTIVE: For individuals with hypertension, diabetes, or hypercholesterolemia, the relative magnitude of cardiovascular risk factors and the effect of multiple risk factors remains controversial and both treatment practices and health care usage vary. We sought to determine the effect of hypertension, diabetes, hypercholesterolemia, and their combinations on health care utilization and health status through analysis of data from a large national survey. METHODS: We applied the Anderson model to a cross-sectional representative sample (n=15,107) of the U.S. civilian, noninstitutionalized population (the 1996 Medical Expenditure Panel Survey). RESULTS: For diabetes, additional risk factors did not increase the likelihood of emergency room (ER) visits or hospitalizations but were associated with increased outpatient visits and poorer health status. For hypertension, additional risk factors increased the likelihood of hospitalization (but not ER visits), the number of outpatient visits, and poorer health status. For hypercholesterolemia, additional risk factors were associated with increased likelihood of ER visits, hospitalizations, and poorer health status but not more outpatient visits. Diabetes had the largest effect on health care utilization and health status. CONCLUSION: These findings re-emphasize the magnitude of diabetes as a major risk factor associated with increased ER visits, hospitalizations, outpatients visits, and lower health status.

Adult↗
PubMed1998

Health status of Asian Americans: United States, 1992-94.

OBJECTIVES: This report compares the health status of selected Asian national origin groups. METHODS: 1992-94 National Health Interview Survey (NHIS) data were analyzed for six Asian national origin groups (Chinese, Filipino, Asian Indian, Japanese, Vietnamese, and Korean), the Asian and Pacific Islander (API) population as a whole, and the non-Hispanic white population. Unadjusted and age-adjusted estimates and standard errors of health indicators and sociodemographic characteristics were generated. A broad range of health issues was studied including respondent-assessed health status, activity limitation, physician contacts, restricted activity days, hospital episodes, smoking status, and knowledge of acquired immunodeficiency syndrome (AIDS). RESULTS: A greater age-adjusted percent of Vietnamese (17.2 percent) and Korean (12.8 percent) persons had fair or poor respondent-assessed health status than persons of Chinese, Filipino, and Japanese descent (6.1-7.4 percent). A lower age-adjusted percent of Chinese persons (6.5 percent) experienced activity limitation compared with Filipino, Japanese, and Vietnamese persons (9.4-13.2 percent). Japanese persons (4.9 contacts) had a greater average annual number of physician contacts than Chinese persons (3.1 contacts) after age adjusting the data. When the data were age adjusted, a higher percent of Korean adults (22.5 percent) were current smokers than Chinese (10.0 percent) and Asian Indian adults (8.7 percent). A higher age-adjusted percent of Vietnamese (21.2 percent) and Asian Indian (18.0 percent) adults reported knowing nothing about AIDS compared with Japanese adults (5.1 percent). A greater proportion of Vietnamese adults (91.6 percent) had not been tested for the AIDS virus infection compared with Chinese, Filipino, Asian Indian, and Japanese adults (72.6-78.5 percent) after age adjusting the data. CONCLUSIONS: Differences in health emerge when data on the API population are analyzed by national origin group. Estimates of health presented for the API population as a whole mask differences among subgroups.

Acquired Immunodeficiency Syndrome↗
PubMed1998

Health status, somatization, and severity of posttraumatic stress disorder in Vietnam combat veterans with posttraumatic stress disorder.

OBJECTIVE: A two-part study was conducted to examine the health status of Vietnam veterans with posttraumatic stress disorder (PTSD). In part 1, veterans with and without PTSD were compared on health behaviors and on self-reported and physician-rated health problems. Consistency of self-report with physician rating for health problems across the two groups was compared. In part 2, the association between health status and PTSD symptom severity, depression, somatization, and health behaviors in PTSD patients was evaluated. METHOD: In part 1, 276 combat veterans (225 with PTSD and 51 without PTSD) provided health status information, and medical records were reviewed. In part 2, 225 PTSD patients completed standardized PTSD severity, somatization, and depression measures. RESULTS: When analyses controlled for age, socioeconomic status, minority status, combat exposure, alcohol use, and pack-year history, veterans with PTSD reported and were rated as having a greater number of health problems than veterans without PTSD. Agreement between self-report and physician ratings for both groups ranged from low to moderate. Level of agreement between patient and physician was similar across groups. In the analysis of veterans with PTSD, somatization and PTSD symptom severity were significantly related to self-report of health problems, whereas only PTSD symptom severity was related to physician-rated health. Pack-year history was significantly related to self-reported health status in both groups. CONCLUSIONS: The presence and severity of PTSD in veterans were associated with greater physical health problems and conditions. Psychological variables (e.g., PTSD status, PTSD severity, somatization) and a behavioral variable (pack-year history) were related to health status.

Adult↗
PubMed1976

Indicators of health status in adolescence.

The study reported here is based on data obtained in 1968-1970 from a representative community sample of urban black youths in the United States aged 12-17 years, inclusive. Analysis is directed at conceptual and methodological issues in measureing health status. It suggests the need for greater attention to subjective self-evaluated self-reported components of health status, specified here as "ontological" health. This is related to health and illness behavior generally, to utilization of health services more particularly. The case is made for a multiple-indicator approach to measuring health status as being more consistent with the multidimensional phenomenon to which it refers. The method used in this study for deriving a composite health status index from four component self-reported indicators is described. The distribution of the sample on this composite was used to identify self-reported health conditions that warrant attention from providers of adolescent health services. Since subjective evaluations influence experienced severity of health problems, the health status composite index was applied in this study as a means of discriminating differntial seriousness in self-reported health problems. Finally, some differences between indications of "ontological" health and "medical" health also are analyzed for commonalities and differences between them.

Adolescent↗
PubMed2002

Health status of ICU survivors: a pilot study.

This paper reports on a pilot study that focused on the feasibility of conducting longitudinal research on the health status of intensive care unit (ICU) survivors. Twenty patients completed a short ICU specific health status survey while in ICU and then were invited to complete the same survey--with the addition of the Medical Outcome Study Short Form-36 (SF-36) health status survey--at 6 and 12 months after their hospital discharge. While the patients were in the ICU, 20 family members completed the same survey on the patients' behalf as proxy respondents. Most patients were willing to be in the study for its duration. There was a wide variation in patients' responses to the ICU specific instrument at all data collection points. Patient and proxy responses were very similar for almost all of the physical items but there was a lack of agreement for the more subjective psychosocial items. The SF-36 was found to be more reliable and easier to score and analyse in this small study than the ICU specific health status instrument. The three SF-36 scales ranked lowest at 6 months were physical functioning, role-physical and role-emotional, while at 12 months the three lowest were role-physical, role-emotional and vitality. Total attrition at 12 months was 40 per cent. Using the results of the SF-36, sample size estimates were conducted in preparation for a larger study. It was concluded that it is feasible to conduct longitudinal research on ICU survivors but proxy responses should not be used indiscriminately.

Adult↗
PubMed2006

The validity of self-rated health as a measure of health status among young military personnel: evidence from a cross-sectional survey.

BACKGROUND: Single item questions about self ratings of overall health status are widely used in both military and civilian surveys. Limited information is available to date that examines what relationships exist between self-rated health, health status and health related behaviors among relatively young, healthy individuals. METHODS: The current study uses the population of active duty United States Air Force recruits (N = 31,108). Participants completed surveys that asked about health behaviors and health states and were rated their health on a continuum from poor to excellent. RESULTS: Ratings of health were consistently lower for those who used tobacco (F = 241.7, p < .001), reported binge drinking (F = 69.0, p < .001), reported drinking and driving (F = 19.4, p < .001), reported taking health risks (F = 109.4, p < .001), were depressed (F = 256.1, p < .001) and were overweight (F = 39.5, p < .001). CONCLUSION: Given the consistent relationship between self-rated overall health and factors important to military health and fitness, self-rated health appears to be a valid measure of health status among young military troops.

Adult↗
PubMed1999

The health status of veterans using mobile clinics in rural areas.

Between 1992 and 1994, the Department of Veterans Affairs (VA) experimented with mobile clinics to provide health care for rural veterans. The objective was to assess the health status of rural mobile clinics' patients and compare this with patients receiving care in VA hospital-based clinics. This study hypothesized that hospital-based clinic patients would be more ill (i.e., have a greater reduction in health status). The Medical Outcomes Study (MOS) Short Form was used to evaluate patients' health status. Most patients sought care for the management of chronic disease. Patients in both groups had similar types of diseases. Mobile clinic patients were as ill as hospital-based patients (i.e., similar health status scores). This study shows that rural veterans have a case mix and a reduction in health status similar to that of VA hospital-based patients. Planners should account for this health reduction when planning the kinds of facilities and services needed in rural areas.

Chronic Disease↗
PubMed1995

Measuring disease-specific health status in men with benign prostatic hyperplasia. Measurement Committee of The American Urological Association.

In preparation for an outcomes study of benign prostatic hyperplasia (BPH), two measures of disease-specific health status were developed to supplement a symptom score and overall health status measures. The symptom problem index (SPI) captures how troublesome patients find their urinary symptoms. The BPH impact index (BII) measures how much their urinary problems affect various domains of health. A prospective revalidation of the refined instruments (N = 108 BPH patients and 50 controls) documented that both indices had good internal consistency (Cronbach's alpha = 0.88 and 0.79, respectively) and test-retest (r = 0.88 for both) reliabilities, correlated strongly with symptom scores (r = 0.86 and 0.77), and discriminated between BPH and control subjects (receiver-operating characteristic areas = 0.87 and 0.85, respectively). These indices were nearly as responsive as symptom scores in 50 men actively treated for BPH, and much more responsive than a non-disease-specific General Health Index (GHI), a Mental Health Index (MHI), and an Activity Index (AI). Finally, these measures capture most of the health status significance of BPH symptoms. In linear regression models constructed to predict scores on the GHI, MHI, and AI, symptom scores added little explanatory power to the SPI and, particularly, to the BII. These measures help clarify how BPH affects overall health status and function. Such measures have an important role to play in studies of the outcomes of treatment for BPH, and probably for other conditions that interfere with health status and function.

Adult↗
PubMed2001

Factors affecting health status in African Americans living with HIV/AIDS.

This study surveyed face-to-face 111 African American newly diagnosed and living with human immunodeficiency virus/acquired immune deficiency syndrome (HIV/AIDS) from the Washington D.C. area, to ascertain the use of, and need for, early intervention services. The survey instrument included sections on demographics, level of health functioning and health indicators, social and financial support, and needed services. This article constructs a health status proxy variable from survey items and examines its relationship to biological and social variables. Variables found to have a significant relationship with health status are gender, type of health insurance, employment, receiving Social Security Disability Income, and level of education. A log-linear model for selection of parsimony found that the type of health insurance was most highly predictive of health status, when controlling for other variables. Persons who receive Medicaid report no better levels of health status than those without health insurance. Having private health insurance is associated with a 5.3-fold greater chance of having good or excellent health status.

Adult↗
PubMed1994

SF 36 health survey questionnaire: II. Responsiveness to changes in health status in four common clinical conditions.

OBJECTIVE: To assess the responsiveness of the SF 36 health survey questionnaire to changes in health status over time for four common clinical conditions. DESIGN: Postal questionnaires at baseline and after one year's follow up, with two reminders at two week intervals if necessary. SETTING: Clinics and four training general practices in Grampian region in the north east of Scotland. PATIENTS: More than 1,700 patients aged 16 to 86 years with one of four conditions: low back pain, menorrhagia, suspected peptic ulcer, and varicose veins; and a random sample of 900 members of the local general population for comparison. MAIN MEASURES: A transition question measuring change in health and the eight scales of the SF 36 health survey questionnaire; standardised response means (mean change in score for a scale divided by the standard deviation of the change in scores) used to quantify the instrument's responsiveness to changes in perceived health status, and comparison of patient scores at baseline and follow up with those of the general population. RESULTS: The response rate exceeded 75% in a patient population. Changes across the SF 36 questionnaire were associated with self reported changes in health, as measured by the transition question. The questionnaire showed significant improvements in health status for all four clinical conditions, whether in referred or non-referred patients. For patients with suspected peptic ulcer and varicose veins the SF 36 profiles at one year approximate to the general population. CONCLUSIONS: These results provide the first evidence of the responsiveness of the SF 36 questionnaire to changes in perceived health status in a patient population in the United Kingdom.

Adolescent↗
PubMed1993

[Study on the oral health status of schoolchildren in Korea].

In 1992, dental health examination was conducted in three areas in Korea; Seoul (large city), Cheonan (rural city) and Cheongju (water fluoridated rural city). We also examined the children of Tokyo in Japan. The subjects were the schoolchildren in the 6th grade of primary school and the 3rd grade of junior high school, and the number of the subjects was 202 in Seoul, 191 in Cheonan, 164 in Cheongju and 152 in Tokyo. We compared the oral health status among these four areas using many indices such as the prevalence rate of dental caries and malocclusion, DMFT, DMFS, DI-S and P-M-A index. In Korea the children in Seoul showed the highest caries prevalence rate, DMFT and DMFS. The Cheonan children were average. The children in Cheongju had the lowest caries experience. The children in Tokyo had more dental caries than the Korean children in both school grades. The children in Tokyo had more gingivitis and malocclusion than the Korean children in the three areas. It was revealed that the oral health status of the Korean schoolchildren was much better than the Japanese children. And water fluoridation project in Cheongju was effective to prevent the dental caries especially in the 6th grade children.

Adolescent↗