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PubMed1977

Tuberculosis bacteriologic reliability. Sputum specimens submitted by mail.

The reliability of examining mailed specimens of sputum for tubercle bacilli was studied by dividing 132 sputum specimens. One half of each specimen was examined on the same day as collection (fresh); the other half was examined after a delay of from one to eight days (mailed). There were a few discrepancies, but no advantage was shown for use of the fresh portion of the specimens. The rate of contamination was slightly greater in the mailed portions (6.6%).

Culture Media↗
PubMed2001

Clinical presentation of inhalational anthrax following bioterrorism exposure: report of 2 surviving patients.

The use of anthrax as a weapon of biological terrorism has moved from theory to reality in recent weeks. Following processing of a letter containing anthrax spores that had been mailed to a US senator, 5 cases of inhalational anthrax have occurred among postal workers employed at a major postal facility in Washington, DC. This report details the clinical presentation, diagnostic workup, and initial therapy of 2 of these patients. The clinical course is in some ways different from what has been described as the classic pattern for inhalational anthrax. One patient developed low-grade fever, chills, cough, and malaise 3 days prior to admission, and then progressive dyspnea and cough productive of blood-tinged sputum on the day of admission. The other patient developed progressively worsening headache of 3 days' duration, along with nausea, chills, and night sweats, but no respiratory symptoms, on the day of admission. Both patients had abnormal findings on chest radiographs. Non-contrast-enhanced computed tomography of the chest showing mediastinal adenopathy led to a presumptive diagnosis of inhalational anthrax in both cases. The diagnoses were confirmed by blood cultures and polymerase chain reaction testing. Treatment with antibiotics, including intravenous ciprofloxacin, rifampin, and clindamycin, and supportive therapy appears to have slowed the progression of inhalational anthrax and has resulted to date in survival.

Anthrax↗
PubMed2001

Death due to bioterrorism-related inhalational anthrax: report of 2 patients.

On October 9, 2001, a letter containing anthrax spores was mailed from New Jersey to Washington, DC. The letter was processed at a major postal facility in Washington, DC, and opened in the Senate's Hart Office Building on October 15. Between October 19 and October 26, there were 5 cases of inhalational anthrax among postal workers who were employed at that major facility or who handled bulk mail originating from that facility. The cases of 2 postal workers who died of inhalational anthrax are reported here. Both patients had nonspecific prodromal illnesses. One patient developed predominantly gastrointestinal symptoms, including nausea, vomiting, and abdominal pain. The other patient had a "flulike" illness associated with myalgias and malaise. Both patients ultimately developed dyspnea, retrosternal chest pressure, and respiratory failure requiring mechanical ventilation. Leukocytosis and hemoconcentration were noted in both cases prior to death. Both patients had evidence of mediastinitis and extensive pulmonary infiltrates late in their course of illness. The durations of illness were 7 days and 5 days from onset of symptoms to death; both patients died within 24 hours of hospitalization. Without a clinician's high index of suspicion, the diagnosis of inhalational anthrax is difficult during nonspecific prodromal illness. Clinicians have an urgent need for prompt communication of vital epidemiologic information that could focus their diagnostic evaluation. Rapid diagnostic assays to distinguish more common infectious processes from agents of bioterrorism also could improve management strategies.

Abdominal Pain↗
PubMed1997

Occupational physical activity and long-term risk of musculoskeletal symptoms: a national survey of post office pensioners.

The objective of this work was to address the relationship between physical activity in the workplace and subsequent musculoskeletal pain syndromes. We performed a survey of 5,042 men and women aged 70-75 years, selected from the retirement population of a large national employer (the post office). Subjects were sent a short postal questionnaire enquiring about all occupations held for at least 1 year, the physical activities performed in those jobs, and about recent rheumatic symptoms. The 1-month period prevalence of rheumatic symptoms ranged from 19.9% for hip pain or stiffness in men to 50% for knee pain or stiffness in women. Symptoms were more common in women than men at all sites and there were significant (P < 0.001) associations between symptoms at different sites. Obesity was significantly (P < 0.001) associated with the risk of pain or stiffness at the knee and hip. Prolonged occupational exposure (20+ years) to heavy lifting was associated with hip pain (RR = 1.5; 95% CI = 1.2-1.8); and prolonged exposure to working with arms elevated was associated with an increased risk of shoulder pain (RR = 1.4; 95% CI = 1.2-1.6). Tall stature (P = 0.003) and heavy lifting (P < 0.001) were both associated with increased risks of low back pain among men. This survey confirms the high prevalence of musculoskeletal symptoms observed in previous population-based studies. Associations between occupational activities and musculoskeletal symptoms were specific for activity type and skeletal site involved. Our results imply that the adverse effects of these occupational activities can be found many years after cessation of exposure.

Aged↗
PubMed1997

Postal questionnaire study of disability associated with latex allergy among health care workers in Finland.

In this study, the association between natural rubber latex (NRL) sensitization and work ability index (WAI) among health care workers was investigated. Furthermore, the diagnostic sensitivity and specificity of a postal questionnaire as a screening device of NRL allergy was evaluated. The study population consisted of 32 female health care workers with an occupational latex allergy, and 51 control subjects who were individually matched for age and occupation. A self-administered two-part questionnaire, including seven items of a work ability index (WAI), as well as questions on glove-related symptoms, was mailed to the subjects. The median age for NRL allergic subjects was 40 years (range 23-62), and the diagnosis of occupational latex allergy had been made six years (range 2-16) before the present study. The WAI scores were on average lower among the sensitized subjects as compared with their nonsensitized controls. Even after removing the contribution of the presence of allergic eczema, diagnosed by a physician, from the original WAI score, the proportion of NRL allergic subjects and the control subjects in the good work ability category were 34% and 53%, respectively. Ten health care workers (31%) had changed occupation and one early retirement had occurred after sensitization to NRL. The sensitivity and specificity of the present self-administered questionnaire as an indicator for latex allergy was 84% and 98%, respectively. In conclusion, there is a clear association between NRL allergy and a decrease in the WAI among health care workers, which cannot be explained by age, gender, profession, or history of atopy.

Adult↗
PubMed1991

Risk and severity of non-back occupational injuries after lumbar laminectomy for degenerative disc disease.

An increased risk, after lumbar laminectomy, for lost work time occupational back injury (odds ratio, 5.9; 95% confidence interval, 1.9-18.8) and disability (mean 292.8 days vs. 24.8 for controls) was previously demonstrated. Such differences could be due to physical sequelae of back surgery or to psychosocial factors. Extensive literature addresses the impact of psychosocial factors on the incidence of occupational injury and severity of disability. This study assumes that psychosocial factors would affect both back and non-back injuries, while surgery-related physical factors would not. The odds ratio for non-back lost work time injury for subjects in the same cohort studied previously was 1.5 (0.5-4.5), with no significant increase in duration of disability (mean 27.0 days vs. 24.8 for controls). The increased risk for back injury in the absence of an increased risk for other injuries suggests that physiologic rather than psychosocial factors provide the more likely explanation for the differences in back injuries.

Adult↗
PubMed2007

Detection of memory impairment in the general population: screening by questionnaire and telephone compared to subsequent face-to-face assessment.

BACKGROUND: Development of efficient methods for identifying subjects with Mild Cognitive Impairment (MCI) from the general population is warranted, because these subjects represent an important group for (epidemiological) research purposes. OBJECTIVES: (1) To describe a two-step population screening for identifying adults with MCI from the general population for research purposes, by questionnaire and telephone; (2) to compare screening by telephone (method 1) to a subsequent face-to-face assessment (method 2). METHODS: In method 1, subjects with memory complaints were identified from the general population (n = 5491) by a postal questionnaire. Subsequently, cognitive status and memory were assessed in a telephone interview using the Telephone Interview for Cognitive Status and the Ten Word Learning Test. Next, subjects with MCI according to method 1 were subjected to a face-to-face assessment for method 2, in which cognitive status and memory were assessed using the Mini Mental State Examination (MMSE) and the Auditory Verbal Learning Test (AVLT). RESULTS: Two hundred and twenty-seven subjects completed both the telephone interview and the face-to-face assessment. Ninety-three subjects (41%) had MCI according to both methods. Seven subjects (3%) failed to meet MCI criteria according to method two because of an MMSE score <24; 127 subjects (56%) failed because of normal AVLT scores. CONCLUSION: (1) The two-step population screening was able to detect a considerable number of MCI-subjects in the general population; (2) agreement between both methods was moderate. Therefore, the method of recruiting subjects for (epidemiological) studies has to be taken into consideration when interpreting results of these studies.

Aged↗
PubMed2006

It's not just what you do, it's the way that you do it: the effect of different payment card formats and survey administration on willingness to pay for health gain.

A general population sample of 314 Australian respondents were randomly allocated to complete a contingent valuation survey administered by face-to-face or telephone ('phone-mail-phone') interview. Although the telephone interview was quicker to complete, no significant difference was found in values obtained through either method. Within each sub-sample, respondents were also randomly allocated to the three different versions of the payment card (PC) questionnaire format: values listed from high-to-low, values listed from low-to-high and values randomly shuffled. The high-to-low version resulted in significantly higher values than the other versions. Further analyses indicate that the randomly shuffled PC version may produce the most 'valid' values.

Adult↗
PubMed2004

Pad test by mail for home evaluation of urinary incontinence.

AIMS: To present a simple, cost-effective, and convenient method of home pad test using the mail system and evaluating change in pad weight over time. MATERIALS AND METHODS: A series of nine kinds of commonly available commercial brands of urinary incontinence pads ranging from thin liners less than 10 g in dry weight to large diapers weighing over 100 g each were assembled. Two or three of each variety were individually weighed on an OHAUS LS2000 Portable Standard scale accurate to +/- 1 g. The pads were then wet uniformly with 20 cc of saline, placed individually in sealable plastic bags, sealed, and reweighed. Random groups of three pads were mailed by standard 1st class mail to the Urocenter of New York. The sealed pads were reweighed at 8 and 14 days from the original wetting. Concurrently, ten incontinence pads soiled with urine were similarly examined to confirm that there would be no detectable difference between urine and saline for the purpose of the study. In the second part of the study, 20 pads of the same type (13 inch-long pads with absorbent gel) were divided into 4 groups of 5 pads; each group was uniformly wet with 5, 10, 20, or 50 g of saline. These pads were mailed and reweighed at 7 and 14 days from the initial wetting. RESULTS: Twenty-four pads were used in the first part of the study. The dry weights of 22/24 (92%) of the pads were within 2 g of the average weight for their brand. At the first reweighing, 22 pads (92%) weighed within 2 g of their initial wet weights (Fig. 1). Only two pads on day 8 differed substantially from their initial weights: one pad appeared to have lost 4 g and another one 9 g. On day 14, 23/24 pads remained within 1 g of their day 8 weight and 1 differed by 2 g, and the total weight of the 24 pads on day 14 was only 4 g different from their initial weight (P = 0.71, Fig. 1). The soiled pads exhibited weight changes that were indistinguishable from the saline pads. The average cost of mailing the pads by 1st class mail was $4 and the average length of time in the mail was 5 days +/- 1 day. In the second part of the study, 18/20 pads had lost less than 1 g at 1 week, and at 2 weeks, 19/20 had lost less than 2 g when compared to their initial weights (Fig. 2). One pad had lost 3 g. Pads in the low volume groups (5 and 10 g) lost an average of 1.4 and 1.2 g, respectively, while pads in the high volume groups (20, 50 g) lost an average of 1.8 and 2 g at 2 weeks. CONCLUSIONS: Dry pads of any single brand have a relatively standard weight that varies insignificantly between pads. Up to 2 weeks of delay in the weighing of individually sealed pads does not significantly affect the clinical measurement of weight at a variety of low (5 g) or high (50 g) volumes of simulated incontinence. Home pad test using the mail system is a feasible, inexpensive, and clinically accurate method of evaluating incontinence. Patients can be instructed in techniques for home pad test, allowing for greater compliance, and convenience for both physicians and patients.

Humans↗
PubMed2005

Relationship between urinary symptoms reported in a postal questionnaire and urodynamic diagnosis.

AIMS: To describe the relationship between symptoms reported in a self-completed postal questionnaire and urinary disorders based on urodynamic investigation. METHODS: The study population was selected from women aged 40 years or over living in the community, who responded to a postal questionnaire. Following assessment and appropriate conservative interventions, those with a pre-defined level of severity of symptoms were offered urodynamic investigation. Logistic regression examined the association between urinary symptoms and the urodynamic diagnoses of detrusor overactivity (DO) and urodynamic stress incontinence (USI). RESULTS: Four hundred eighty-eight women completed urodynamic investigation; 29.1% (142/488) were found to have DO, 33.6% (164/488) USI, 20.7% (101/488) mixed incontinence, and 16.6% (81/488) no urodynamic abnormality. Stress incontinence (SI) and urge incontinence (UI) were included in the risk model for USI. SI reported monthly or more was associated with increased risk of USI, and UI reported weekly or more with decreased risk (sensitivity 76.9%; specificity 56.3%; positive predictive value (PPV) 67.8%). For DO, strong or overwhelming urgency, UI monthly or more, and nocturia once a night or more were all significantly associated with an increased risk while reporting of SUI monthly or more reduced the risk (sensitivity 63.1%; specificity 65.1%; PPV 63.1%). CONCLUSIONS: Urinary symptoms reported in a postal questionnaire are able to predict urodynamic diagnoses with moderate accuracy. These models may be useful tools with which to categorize urinary disorders for epidemiological study and, with further development, allocate first line treatment.

Adult↗
PubMedDate not supplied

Evaluation of two strategies for heart health promotion by direct mail in a low-income urban community.

BACKGROUND: The objective of this study was to evaluate the reach of mass mailings of heart health education print materials in a low-income, urban community. Materials included a monthly newsletter and a self-help behavior change kit, both distributed to all 12,789 households in the study community. METHODS: Recall, use, and self-reported impact of the materials were measured in a cross-sectional survey of a random sample of 345 adults conducted 2 weeks after distribution of the kit and 18 months after delivery of the first newsletter. RESULTS: Over one-third of the subjects (38.6%) recalled the newsletter and 27.9% had read one or more newsletters; 21.7% recalled the kit and 10.8% had read it. Few subjects had read both materials. Female gender and older age were independent correlates of having seen and read the newsletters. Older age, being widowed/separated/divorced, and infrequent physical activity were correlates of having seen and read the kit. CONCLUSIONS: Although the newsletter and kit formats might appeal to different segments of the population, mass mailings of heart health education print materials in a low-income urban community can reach large numbers of individuals. The cost effectiveness of repeated mailings of short, simple newsletters might be higher than a single mailing of a more complex behavior change kit.

Adolescent↗
PubMed1999

Tailored risk notification for women with a family history of breast cancer.

BACKGROUND: Evidence indicates that although first-degree relatives of breast cancer cases are at increased risk of developing the disease themselves, they may be underutilizing screening mammography. Therefore, interventions to increase the use of mammography in this group are urgently needed. METHODS: A randomized two-group design was used to evaluate an intervention to increase mammography use among women (N = 901) with at least one first-degree relative with breast cancer. A statewide cancer registry was used to obtain a random sample of breast cancer cases who identified eligible relatives. The mailed intervention consisted of personalized risk notification and other theoretically driven materials tailored for high-risk women. RESULTS: An overall significant intervention effect was observed (8% intervention group advantage) in mammography at post-test. There was an interaction of the intervention with age such that there was no effect among women <50 years of age and a fairly large (20% advantage) effect among women 50+ and 65+. Health insurance, education, and having had a mammogram in the year before baseline assessment were positive predictors of mammography at post-test. Perceived risk, calculated risk, and relationship to index cancer case were not associated with mammography receipt. CONCLUSION: The intervention was successful in increasing mammography rates among high-risk women 50+ years of age. Further work is needed to determine why it was ineffective among younger women.

Adult↗
PubMed1999

The effectiveness of a directly mailed smoking cessation intervention to Australian discharged hospital patients.

BACKGROUND: The objective was to assess the effectiveness of a directly mailed smoking cessation intervention to discharged hospital patients. METHODS: A randomized controlled trial was used. In the 2 weeks after discharge, smokers in the intervention group were sent by mail a personally addressed letter from their medical consultant urging them to quit plus a self-help quitting manual, and smokers in the control group received usual care. Patients were surveyed about their smoking status at 6 and 12 months after discharge. A total of 1858 discharged patients responded to both questionnaires. The main outcome measures were self-reported smoking in past week at 6 and 12 months after discharge. Quitters at 12 months were biochemically tested for evidence of smoking. RESULTS: The results failed to show that smoking cessation advice directly mailed to a broad cross-section of discharged hospital patients who smoke led to smoking cessation. However, the intervention increased cessation among smokers with medical conditions for which quitting is highly relevant. In general, patients who were more likely to quit were older, had entered the hospital as an emergency case, and had a medical diagnosis for which quitting is highly relevant. CONCLUSIONS: This study suggests that hospital patients who smoke and are also diagnosed with conditions which call for quitting are more likely to quit if they receive from their consultant a personalized letter advising them to quit and a self-help manual.

Adolescent↗