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Independent Constructs (independent + construct)

Distribution by Scientific Domains

Medical Sciences	80%

Selected Abstracts

Differentiating Components of Sexual Well-Being in Women: Are Sexual Satisfaction and Sexual Distress Independent Constructs?

THE JOURNAL OF SEXUAL MEDICINE, Issue 7 2010
Kyle R. Stephenson BS
ABSTRACT Introduction., Sexual satisfaction and sexual distress are common outcome measures in studies of sexual health and well-being. However, confusion remains as to if and how the two constructs are related. While many researchers have conceptualized satisfaction and distress as polar opposites, with a lack of satisfaction indicating high distress and vice versa, there is a growing movement to view satisfaction and distress as relatively independent factors and measure them accordingly. Aim., The study aimed to assess the level of independence between sexual satisfaction and distress in female clinical and nonclinical samples. Methods., Ninety-nine women (mean age = 25.3) undergoing treatment (traditional sex therapy and/or gingko biloba) for sexual arousal disorder with or without coexistent hypoactive sexual desire disorder and/or orgasmic disorder completed surveys assessing sexual satisfaction, sexual distress, sexual functioning, and relational functioning at pretreatment, mid-treatment, posttreatment, and follow-up. Two hundred twenty sexually healthy women (mean age = 20.25) completed similar surveys at 1-month intervals. Main Outcome Measures., Sexually dysfunctional women completed the Sexual Satisfaction Scale for Women (SSS-W), the Female Sexual Function Index (FSFI), and the Dyadic Adjustment Scale. Sexually healthy women completed the SSS-W, the FSFI, the Relationship Assessment Scale, and the Dimensions of Relationship Quality Scale. Results., Sexual satisfaction and distress were generally closely and inversely related; however, distress was more closely related to sexual functioning variables than was satisfaction in the clinical sample, and satisfaction was more closely related to relational variables than was distress in the nonclinical sample. Additionally, satisfaction and distress showed partially independent patterns of change over time, and scales of distress showed a larger change in response to treatment than did scales of satisfaction. Conclusion., Although sexual satisfaction and distress may be closely related, these findings suggest that they are, at least, partially independent constructs. Implications for research on sexual well-being and treatment outcome studies are discussed. Stephenson KR, and Meston CM. Differentiating components of sexual well-being in women: Are sexual satisfaction and sexual distress independent constructs? J Sex Med 2010;7:2458,2468. [source]

Change of symptoms and perceived health in acromegalic patients on pegvisomant therapy: a retrospective cohort study within the German Pegvisomant Observational Study (GPOS)

CLINICAL ENDOCRINOLOGY, Issue 1 2010
Caroline Sievers
Summary Objective, This study aimed at investigating how symptoms and perceived health changes in acromegalic patients during pegvisomant treatment in respect to IGF-1 levels and disease characteristics. Design/patients, Retrospective, multicentre cohort study in 131 acromegalic patients within the German Pegvisomant Observational Study (GPOS). Measurements, Outcome measure was the change of perceived health evaluated by the Patient-Assessed Acromegaly Symptom Questionnaire (PASQ) between baseline and after 1 year of pegvisomant therapy. Predictors were change in IGF-1 levels, maximal pegvisomant dosage, adverse events and comorbidities. Results, Perspiration, soft tissue swelling and perceived health improved after 1 year of pegvisomant therapy while other symptoms such as headache, fatigue and joint pain remained largely unchanged over time. The highest mean IGF-1/upper limit of normal (ULN) values before pegvisomant therapy were found in those patients with a reported amelioration in perspiration and soft tissue swelling after 1 year of pegvisomant treatment. The highest mean decrease of IGF-1/ULN was found in those patients with reported amelioration of numbness and tingling of limbs. Other factors such as decrease in fasting glucose may play a role as independent predictor for some symptoms such as the improvement of headache, perspiration and perceived health, while other factors such as maximal pegvisomant dosage, occurrence of adverse events, tumour growth, or liver enzyme elevation did not play a predictive role. Conclusions, Patients' symptoms and perceived health are in part an independent construct, not merely reflecting IGF-1 status or biochemical control. Subjective measures should therefore be regularly documented in acromegalic patients as a patient-oriented indicator for treatment success. [source]

The Forensic Inpatient Observation Scale (FIOS): development, reliability and validity

CRIMINAL BEHAVIOUR AND MENTAL HEALTH, Issue 3 2001
Irma G.H. Timmerman
Introduction Re-offending, as a measure of success in forensic psychiatry, gives no information about other behaviours that may have changed. The development of the Forensic Inpatient Observation Scale (FIOS), an observation instrument to assess the non-offending functioning of forensic patients, is described. Study 1 In the first study the development of the initial item pool of the FIOS is described. This resulted in an instrument consisting of 78 items and seven scales. The internal reliability of the scales ranged from 0.78 to 0.91. The inter-rater reliability of the scales varied from 0.50 to 0.85 and the test,retest reliability over a period of three weeks was high for most scales, ranging from 0.74 to 0.89. Study 2 In the second study the FIOS was developed further in another sample of forensic patients. This time exploratory factor analysis with Varimax rotation and post hoc reliability analysis were applied to determine the factor structure among the items. This resulted in an item pool of 35 items, among which six factors could be distinguished that closely resemble the factor structure of the FIOS in study one: (1) self-care, (2) social behaviour, (3) oppositional behaviour, (4) insight offence/ problems, (5) verbal skills and (6) distress. Most items have high loadings on the factor they are assigned; 29 items have a loading of 0.60 or higher. The internal consistency of the scales ranges from 0.73 to 0.91 and the scales appear to be measuring independent constructs. Twenty-five out of the 35 items have an inter-rater correspondence of 90% or higher and 30 out of 35 items have an inter-rater correspondence of 87.5% or higher. The inter-rater reliability on the scale level, however, was somewhat less satisfying with correlations ranging from 0.50 to 0.69. Discussion It is argued that training the observers on a more regular basis will improve the inter-rater reliability. There is some evidence for the convergent validity of the FIOS. The FIOS has some advantages over existing inpatient scales in that it is developed specifically for forensic patients, it does not particularly focus on axis 1 symptoms but includes oppositional behaviour and attitudes to offending. Copyright © 2001 Whurr Publishers Ltd. [source]