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PubMed1975

Some preliminary observations on a questionnaire technique for classifying depressive illness: its relationship with clinical diagnosis and a biological technique for depressive classification.

A questionnaire designed to assist in the classification of depressive illness, was administered to 20 acute depressive patients and 10 normal controls. Patient classification according to the decision rules employed by the questionnaire, were compared with patient classification arrived at by symptomatic (diagnostic) and physiological (G.S.R. inhibition threshold) means. It was found that a preponderance of patients classified as "endogenous depressives" by the questionnaire technique, also had clinical diagnoses of endogenous depression, and had low G.S.R. inhibition thresholds relative to normals. Furthermore a preponderance of patients classified as "non-endogenous depressives" by the questionnaire technique, had clinical diagnoses of neurotic depressive illness, and had high G.S.R. inhibition thresholds relative to normals. This supports the assertion that the questionnaire technique has some validity in the classification of depressive illness.

Adjustment Disorders↗

PubMed1995

Motives for having or not having children: a comparison between questionnaire and interview methods.

This study addresses validity issues in a questionnaire constructed with the aim of exploring a private and emotionally loaded topic, namely motives for having or not having children. Themes extracted by factor analysis of data from a reference population of men and women in the fertile ages were used to structure conversational interviews with a smaller sample of women and men of the same age. Of 30 persons invited, 24 agreed to participate in the interview and they completed the questionnaire before the interview. Factor scores were estimated from data obtained by means of the written questionnaire with closed questions, and the scores were compared with results from the structured interview with open questions. Thus, the questionnaire and the factor analysis were validated and a conclusion could be drawn that this method was able to provide important informatory facts even in an area where emotional factors are predominant. The findings also supported the idea that it is important to supplement questionnaire results with validity studies. The combination of the two methods in this study was fruitful and highlighted important new areas that need further research.

Adult↗

PubMed1996

Improving the treatment of nocturnal asthma: use of an office questionnaire to identify nocturnal asthma symptoms.

Nocturnal asthma is a major problem in many asthma patients and it is important to recognize and treat it. We previously reported the incidence of nocturnal asthma in our practice (1); the current study was done to try to improve upon the incidence of nocturnal asthma in our patients. After our previous survey, which indicated a 67% incidence of nocturnal asthma in our practice, we instituted a previsit questionnaire regarding nocturnal asthma to be filled out by all follow-up asthma patients in our office. After a period of time, we mailed a nocturnal asthma questionnaire to all asthma patients to see if the intervention had improved our incidence of nocturnal asthma. This questionnaire was identical to the one used in our prior study and was mailed to 2019 patients. We had 602 responders, 560 of whom had asthma. A total of 328 of these patients (59%) had nocturnal asthma. This was similar to the results of our previous survey, and our initial conclusion was that the new in-office questionnaire that we instituted had not improved the situation. Then we discovered that the in-office questionnaire had inadvertently been distributed only to the patients of one or our physicians (Dr. A). His patients were then compared with those of the other two doctors (Drs. B and C), and it was found that Dr. A's patients had fewer nocturnal symptoms than did the patients of the other doctors. The percent of asthmatics with nocturnal asthma 4-7 nights per week (more than half the nights in a week) for Dr. A was 16%, for Dr. B 47%, and for Dr. C 39%. The use of a short office questinnaire for asthma patients before they see the doctor for follow-up visits leads to greater recognition and better treatment of nocturnal asthma.

Asthma↗

PubMed1992

Psychometric validation of the EORTC Core Quality of Life Questionnaire, 30-item version and a diagnosis-specific module for head and neck cancer patients.

A cancer-specific self-reporting quality of life questionnaire has been validated. The questionnaire is designed to assess physical functioning, role functioning, cognitive functioning, emotional functioning, social functioning, pain, fatigue, emesis and quality of life by means of multi-item scales, and other disease- and treatment-related symptoms by means of single items. The questionnaire was completed by 126 head and neck cancer patients with a mean age of 67 years. The internal consistency (scale reliability) was satisfactory for all scales but one. Correlations between scales and items assessing the same underlying dimension were also satisfactory. The questionnaire discriminates between patient subgroups and between acute, subacute and late toxicity. Patient compliance was high. The questionnaire provided valuable information, and most of the scales/items functioned well. A few problems were found, especially with the modified visual analogue scales, and minor modifications will be made.

Activities of Daily Living↗

PubMed1977

Self-assessment of hearing impairment: test of the expanded hearing ability scale questionnaire on hearing impaired adults in England.

The National Center for Health Statistics developed a questionnaire for self-assessment of hearing impairment which has been widely tested in the United States. The performance of this questionnaire was tested on a sample of 131 people in England, known to have hearing impairment and gave results very similar to those obtained in the United States. These results are compared with a randomly selected sample from the general population. Characteristics of the hearing ability scale derived from the questionnaire are discussed and some suggestions made for a modified version of the questionnaire. The relationship between the average pure tone threshold and the score derived from the hearing ability scale questionnaire is described and takes the form of a bounded relationship with scale score indicating the minimum threshold level.

Adolescent↗

PubMed1980

Evaluation of a postal screening questionnaire to identify the physically disabled.

In this study a postal screening questionnaire was compared with an interviewer-administered questionnaire for identifying disabled persons living in the community. Disability was defined as difficulty with specified activities of daily living, specified medical problems which often cause disablement, and frequent use of a formal health or social service. A 91 per cent response rate to the screening questionnaire was obtained from a random sample of 793 adults in a general practice; 89 were classified as "disabled". Seventy-eight per cent of those subsequently interviewed changed their response to at least one item; this figure fell to 29 per cent when frequent use of formal services was excluded from the definition of disability. None of the persons classified as disabled from the postal survey were considered to be non-disabled after interview. Interviews with a sample of persons who did not report disability on the postal questionnaire resulted in no changes in classification. General practitioners (GPs) who completed screening questionnaires on respondents with the help of practice records were aware of only 79 of 206 disability items reported. The GPs were more aware of respondents' difficulties with activities of daily living than of their medical problems.

Disability Evaluation↗

PubMed2006

Language history questionnaire: A web-based interface for bilingual research.

A Web-based interface has been developed to facilitate researchers in collecting language history information online. Most researchers use their own versions of language history questionnaires for specific studies in second language acquisition. Although these versions of questionnaires all differ from one another in some respects, there is a significant amount of overlap between them. Here we identify the crucial dimensions that most investigators consider important to include in such a questionnaire. We have examined the most commonly asked questions in 41 published questionnaires, and on the basis of our analyses we propose a general L2 language history questionnaire. Subjects can enter some or all of the information on the Web, and the results are automatically generated as an RTF output file on the user's desktop.

Documentation↗

PubMed2005

Low-cost data transfer from a questionnaire to standard software using a barcode pen.

Computer-aided transfer of questionnaire data simplifies the analysis of questionnaires. We present a solution based on an inexpensive barcode pen and its decoder, the software tool Barcode Wizard included in CorelDRAW, and a self-developed application written using Microsoft Visual Basic for Applications. The barcode may be provided on the questionnaire or on a transparency. Error correction is done by means of two different procedures. The present solution can be applied while looking over the completed questionnaire and thus allows time-saving, economic, and precise data transfer from the completed questionnaire directly into computer software.

Computer Peripherals↗

PubMedDate not supplied

Development of a questionnaire to assess subjective vision score in myopes seeking refractive surgery.

PURPOSE: To assess vision in patients with myopia and myopic astigmatism before and after refractive surgery. METHODS: A prospective controlled study of visual quality amongst myopes and astigmatic myopes. Focus groups, ophthalmic surgeons, and questionnaire experts devised a Subjective Vision Questionnaire (SVQ), modified after a pilot trial. Participants were administered the SVQ before clinical evaluation. Items answered by over 95%, with factor loadings > 0.55 were included. Test-retest reliability was assessed by repeat testing. Factor analysis identified groups of questions measuring particular dimensions of data. RESULTS: Sixty-seven items were answered by 128 patients and reduced to 24 items in a final questionnaire. Factor analysis identified six types of questions within the questionnaire, the most important of which was related to driving. CONCLUSION: The simplicity, low cost, and psychometric properties of the Subjective Vision Questionnaire support its use clinically and in research.

Adult↗

PubMedDate not supplied

Comparison of the clock test and a questionnaire-based test for screening for cognitive impairment in Nigerians.

BACKGROUND: Since it is projected that by 2020 seventy percent of the elderly will reside in developing countries, a reliable screening method for dementia and cognitive impairment in general in populations with diverse languages, culture, education and literacy will be needed. We sought to determine if the Clock Test, a screening test for dementia, was suitable for use in a Nigerian population. STUDY DESIGN: Cross-sectional survey of 54 men and 12 women from Northern Nigeria. Researchers administered two dementia screening tools: a questionnaire-based test adapted for use in a Nigerian population and the Clock Test. RESULTS: Overall, 53.0% of the subjects had an abnormal Clock Test whereas 10.6% of the subjects had an abnormal questionnaire score. Only 9.1% of the subjects had abnormal scores on both tests. Subjects with more schooling had a greater probability of having a positive clock concept (understanding that a circle represented a clock). Of those with more than 6 years of schooling, 91.0% had a positive clock concept. Subjects with a negative clock concept were more likely to have an abnormal Clock Test (93.3%) than a questionnaire (26.6%). CONCLUSIONS: The main finding of our study was the discrepancy between the results of the Clock Test and the questionnaire. Performance on the Clock Test appeared to have been heavily influenced by education level, indicating the test is not universally applicable across cultures. The questionnaire-based test appears to reduce the effects of illiteracy on assessing dementia in a Nigerian population. Larger studies should be done to control for how education affects the assessment of dementia.

Aged↗

PubMed1988

The reliability and validity of a sensory developmental expectation questionnaire for mothers of newborns.

The purpose of this study was to construct and conduct preliminary reliability and validity studies on a questionnaire designed to measure a mother's ability to provide an adequate sensory environment for her newborn child. The questionnaire was conceptualized as an extension and application of sensory integrative theory into the domain of maternal role preparation. The instrument assessed (a) a mother's knowledge of the sensory capacity of the newborn and (b) a mother's perception of her ability to influence the development of her child. The subjects were 55 primiparas of newborn infants who responded to the questionnaire within 3 days postpartum. The findings demonstrated that the questionnaire measured the two traits reliably. Additionally they indicated that knowledge of the sensory capacity of the newborn correlated positively with perceived influence on development. Maternal age did not correlate with the mothers' knowledge of the sensory capacity of the child, but did correlate with perceived influence of mothers on development. Educational level of the respondent correlated with scores on both subscales. With further research, it is foreseen that this questionnaire may be used by occupational therapists as a part of a screening interview for identifying mothers who may be at risk for failure to provide adequate sensory experiences for their children.

Adolescent↗

PubMed2006

Development of a questionnaire to assess worker knowledge, attitudes and perceptions underlying dermal exposure.

OBJECTIVES: Workers' behavior is identified as an important determinant of dermal exposure and is influenced by knowledge, attitudes, and risk perceptions. Because behavior may be a significant predictor of exposure, its assessment provides a means for examining exposure and designing strategies and incentives that encourage worker protective behavior. Currently, there are no psychosocial instruments examining worker knowledge, attitudes, and perceptions with respect to dermal hazards. Accordingly, a questionnaire was developed and tested to provide an instrument for measuring worker knowledge, attitudes, and perceptions. METHODS: The questionnaire was developed on the basis of a literature review and expert consultation. Scales were constructed based on standard methods. Two worker focus groups were used to evaluate worker understanding and content validity of the KAP (knowledge, attitudes, perceptions) questionnaire. The resulting 115-item questionnaire that included scales for knowledge (N=13), attitudes (N=27), perceptions (N=15), behavior (N=8), behavioral intentions (N=15), barriers (N=13), and facilitators (N=5) was tested on 89 workers from 19 facilities. RESULTS: The concepts identified in the focus groups included worker perception of higher risk due to a poor fit and replacement frequency for personal protective equipment and cross-contamination by workers moving into work zones. Field testing of the questionnaire (N=89) yielded Cronbach's alpha reliability scores ranging from 0.87 for the self-efficacy personal protective equipment scale to 0.92 for the overall belief scale, indicating high internal reliability. CONCLUSIONS: Although further testing and refinement is needed, this survey instrument provides an initial and conceptually unique means for evaluating behavioral determinants of worker dermal exposure.

Focus Groups↗

PubMed1997

Test-retest reliability of an upper-extremity discomfort questionnaire in an industrial population.

OBJECTIVES: Efforts to understand or to monitor upper-extremity musculoskeletal disorders among workers have usually involved the use of questionnaires. The goal of this study was to assess the test-retest reliability of an upper-extremity discomfort questionnaire among industrial workers. METHODS: Test-retest agreement among 148 workers was analyzed using the kappa coefficient for categorical outcomes. Values of kappa greater than 0.75 are considered excellent, values between 0.40 and 0.75 are fair to good, and values of less than 0.40 represent poor agreement beyond chance alone. Test-retest results of continuous measures (eg, visual analogue scale responses) were compared with paired t-tests. RESULTS: The test-retest reliability of the questionnaire used to elicit demographic information, medical history, exercise participation, and information on musculoskeletal symptoms among industrial workers appears to be good to excellent in most instances. CONCLUSIONS: These results suggest that most results of this discomfort questionnaire are reliable and suitable for use in epidemiologic studies. For reassurance of the robustness of these findings, similar studies should be carried out in other worker populations with this, and other, questionnaire instruments.

Adult↗

PubMed1982

A validation of questionnaire information on occupational exposure and smoking.

Occupational exposure information obtained via a questionnaire to close relatives of 160 deceased smelter workers was compared with data from employee registers. The data from the questionnaire regarding employment at the smelter had a very high validity, ie, a sensitivity of 98% and a specificity of 99%. When an assessment of arsenic exposure was made from information in the questionnaire, the sensitivity was only 40%, but the specificity was over 90%. Data on smoking habits were available from medical files for only 14 of the subjects. For all 14, the information was identical to the data in the questionnaires. It appears that questionnaires may sometimes be of use for exposure assessments in occupational health epidemiology.

Adult↗

PubMed1999

[The critical appraisal of QOL questionnaire for prostate cancer patients].

BACKGROUND: Prostate cancer is a common malignancy that affects Japanese elderly men. Its incidence is increasing, recently, and its treatments are various. The measurement of quality of life (QOL) has become important for the evaluation of and selection of treatments. In Japan, however, there is no standard way of measuring QOL for prostate cancer patients, except the Japanese version of the EORTC QOL questionnaire for prostate cancer patients. We examined the validity and feasibility of this translated EORTC QOL questionnaire for prostate cancer patients. METHODS: Sixty-nine prostate cancer patients who were under treatment in 4 hospitals were selected for this study. We applied the content validity, the factorial validity which was analyzed by the oblique principal component cluster analysis, the internal consistency analyzed by the alpha coefficient of Cronbach, the convergent validity which was used GHQ, IPSS and PS as external measures, and the feasibility. RESULTS: This questionnaire showed good internal consistency, as the alpha coefficient was 0.61 to 0.90 in all domains, except for sex life, which was the lowest. This questionnaire was classified into 7 clusters by the oblique principal component cluster analysis. Consequently, the factorial validity was good, except for items regarding sex life. As domains correlate well with external measures except in sex life, the convergent validity was good. It was suggested that only two items were not acceptable in regard to the content validity and the feasibility, and that the translation into Japanese of 2 items was inadequate. CONCLUSIONS: Our study suggests that the Japanese version of the EORTC QOL questionnaire for prostate cancer patients demands improvement for the practical employment in clinical trials, as there is a problem of translation and feasibility.

Aged↗

PubMed1998

Development and validation of a simple questionnaire to facilitate identification of women likely to have low bone density.

The relationship between low bone mass and risk of fracture is well documented. Although bone densitometry is the method of choice for detecting low bone mass, its use may be limited by the availability of equipment, cost, and reimbursement issues. Improved patient selection for bone densitometry might increase the cost-effectiveness of screening for osteoporosis, a goal we sought to achieve by developing and validating a questionnaire based solely on patient-derived data. Responses to the questionnaire were used to assign postmenopausal women to one of two groups: (1) those unlikely to have low bone mineral density (defined as 2 standard deviations or more below the mean bone mass at the femoral neck in young, healthy white women) and therefore probably not currently candidates for bone densitometry; and (2) those likely to have low bone mineral density and therefore probably candidates for bone densitometry. We asked community-dwelling perimenopausal and postmenopausal women attending one of 106 participating multispecialty centers (both academic and community based) to complete a self-administered questionnaire and undergo bone density measurement using dual x-ray absorptiometry. We used regression modeling to identify factors most predictive of low bone density at the femoral neck in the postmenopausal group. A simple additive scoring system was developed based on the regression model. Results were validated in a separate cohort of postmenopausal women. Data were collected from 1279 postmenopausal women in the development cohort. Using only six questions (age, weight, race, fracture history, rheumatoid arthritis history, and estrogen use), we achieved a target of 89% sensitivity and 50% specificity. The likelihood ratio was 1.78. Validation in a separate group of 207 postmenopausal women yielded 91% sensitivity and 40% specificity. Assuming population characteristics similar to those of our development cohort, use of our questionnaire could decrease the use of bone densitometry by approximately 30%. Sensitivity and specificity can be varied by changing the level for referral for densitometry to provide the most cost-effective use within a particular healthcare setting. Thus use of our questionnaire, an inexpensive prescreening tool, in conjunction with physician assessment can optimize the use of bone densitometry and may lead to substantial savings in many healthcare settings where large numbers of women require evaluation for low bone mass.

Bone Density↗

PubMed1999

[Value of the use of a questionnaire in the evaluation of incontinence surgery].

OBJECTIVE: To assess the contribution of a questionnaire in the evaluation of patients operated for urinary stress incontinence. PATIENTS AND METHODS: From 1988 to 1996, 42 patients underwent bladder neck suspension for urinary stress incontinence. Only 7 patients had no history of pelvic surgery, 24 patients presented pure urinary stress incontinence and 19 presented mixed incontinence, 37 patients were evaluable with a mean follow-up of 2 years. The evaluation consisted of two aspects: clinical assessment, based on review of the case files, showing that 77% of patients were continent, and a questionnaire (non-validated translation of "Q7" and "UD16"). This questionnaire evaluated quality of life (7 items) and symptoms. Each item was scored from 0 to 3. RESULTS: To interpret the results we divided the three main scores into three intervals, the first third corresponding to good results. The percentage of good results for the overall score, quality of life score and symptom score was 62%, 73% and 46% respectively. The most discriminative questions of the questionnaire can be used to analyse urine leaks related to effort, urgency episodes of incontinence. A score of 0 or 1 was considered to be a good result. The percentage of good results for these three questions was therefore 72%, 60% and 64%, respectively. CONCLUSION: The cure rate therefore varies as a function of the criteria selected: the questionnaire allows the urologist to more accurately assess the patient's postoperative state.

Adult↗

PubMedDate not supplied

Patient compliance with quality of life questionnaires. Italian Group for Evaluation of Outcomes in Oncology (I.G.E.O.).

AIMS AND BACKGROUND: To evaluate the rate of cancer patients who do not fill out a quality of life (QL) questionnaire, their characteristics and the reasons for not filling out the QL questionnaire. METHODS: Consecutive cancer patients who were seen in 79 Italian medical oncology and radiotherapy centers over a period of one week were asked to fill out a questionnaire concerning the importance of 46 domains of quality of life, each one scored on 4 levels (not at all, a little, much, and very much). RESULTS: Of 6,918 cancer patients, 820 (11.9%) did not fill out the questionnaire. The most important reasons for not complying were: illiteracy (17.9%), lack of glasses or poor eye-sight (17.4%), poor physical condition (11.9%), poor psychological condition (5.9%), refusal (28.7%). The questionnaires significantly less filled out were those of older patients with low performance status and educational level or with locally advanced or disseminated disease and inpatients. CONCLUSIONS: The results of the study reveal the risk of selection bias in QL assessment in randomized controlled trials and suggest the need for more complete information regarding the aim of QL evaluation and the necessity of a proxy's help to overcome the problem, with the awareness that the proxy's influence could modify the response. The impact of the lack of patient compliance on the QL results still remains to be evaluated.

Aged↗