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1.
BMC Cancer ; 18(1): 130, 2018 02 05.
Article in English | MEDLINE | ID: mdl-29402264

ABSTRACT

BACKGROUND: The heterogeneous behavior of patients with melanoma makes prognostication challenging. To address this, a gene expression profile (GEP) test to predict metastatic risk was previously developed. This study evaluates the GEP's prognostic accuracy in an independent cohort of cutaneous melanoma patients. METHODS: This multi-center study analyzed primary melanoma tumors from 523 patients, using the GEP to classify patients as Class 1 (low risk) and Class 2 (high risk). Molecular classification was correlated to clinical outcome and assessed along with AJCC v7 staging criteria. Primary endpoints were recurrence-free (RFS) and distant metastasis-free (DMFS) survival. RESULTS: The 5-year RFS rates for Class 1 and Class 2 were 88% and 52%, respectively, and DMFS rates were 93% versus 60%, respectively (P < 0.001). The GEP was a significant predictor of RFS and DMFS in univariate analysis (hazard ratio [HR] = 5.4 and 6.6, respectively, P < 0.001 for each), along with Breslow thickness, ulceration, mitotic rate, and sentinel lymph node (SLN) status (P < 0.001 for each). GEP, tumor thickness and SLN status were significant predictors of RFS and DMFS in a multivariate model that also included ulceration and mitotic rate (RFS HR = 2.1, 1.2, and 2.5, respectively, P < 0.001 for each; and DMFS HR = 2.7, 1.3 and 3.0, respectively, P < 0.01 for each). CONCLUSIONS: The GEP test is an objective predictor of metastatic risk and provides additional independent prognostic information to traditional staging to help estimate an individual's risk for recurrence. The assay identified 70% of stage I and II patients who ultimately developed distant metastasis. Its role in consideration of patients for adjuvant therapy should be examined prospectively.


Subject(s)
Gene Expression Profiling/methods , Gene Expression Regulation, Neoplastic , Melanoma/genetics , Skin Neoplasms/genetics , Adolescent , Adult , Aged , Aged, 80 and over , Cohort Studies , Gene Expression Profiling/statistics & numerical data , Humans , Kaplan-Meier Estimate , Lymphatic Metastasis , Melanoma/pathology , Middle Aged , Neoplasm Recurrence, Local , Neoplasm Staging , Prognosis , Proportional Hazards Models , Sentinel Lymph Node Biopsy , Skin Neoplasms/pathology , Young Adult
2.
J Womens Health (Larchmt) ; 25(11): 1187-1192, 2016 11.
Article in English | MEDLINE | ID: mdl-27254529

ABSTRACT

BACKGROUND: The majority of women with endometrial cancer (EC) present at an early stage with an associated 5-year survival rate of >90%. High rates of early detection are attributed to warning symptoms; however, the prevalence of such symptoms has not been well defined. METHODS: A case-control study was conducted assessing the prevalence of symptoms in EC patients at a large cancer center compared with healthy controls. Controls included patients seen for an annual gynecologic care visit (AV) or for a gynecological problem-based visit (PV). A self-administered questionnaire was given to all participants addressing EC-associated symptoms, at the time of initial clinic visit. Odds ratios (ORs) were used to compare prevalence of symptoms between EC cases and controls. Logistic regression was used to determine the impact of menopausal status and obesity on symptom prevalence. RESULTS: The cases (n = 75) were significantly older than the AV (n = 203) and PV (n = 151) controls (59.7 vs. 49.8 vs. 51.0 years, p < 0.01), had a higher body mass index (35.5 vs. 29.4 vs. 30.9 kg/m2, p < 0.01), and were more likely to be postmenopausal (76% vs. 53.7% vs. 52.0%, p < 0.01). The cases were more likely to report postmenopausal bleeding (OR = 32.99 and 5.83, p < 0.01) and abnormal vaginal discharge (OR = 8.8 and 3.3, p < 0.01) compared with the AV and PV groups. Overall, 55.4% of cases reported abnormal vaginal discharge. CONCLUSIONS: Symptoms of both postmenopausal bleeding and abnormal vaginal discharge were significantly higher in EC compared with controls. The presence of such symptoms should raise concern for malignant disease and prompt immediate gynecological evaluation.


Subject(s)
Early Detection of Cancer/methods , Endometrial Neoplasms/diagnosis , Postmenopause , Uterine Hemorrhage/etiology , Vaginal Discharge/etiology , Case-Control Studies , Endometrial Neoplasms/complications , Female , Humans , Logistic Models , Middle Aged , Surveys and Questionnaires , Texas
3.
J Am Acad Dermatol ; 72(5): 780-5.e3, 2015 May.
Article in English | MEDLINE | ID: mdl-25748297

ABSTRACT

BACKGROUND: A gene expression profile (GEP) test able to accurately identify risk of metastasis for patients with cutaneous melanoma has been clinically validated. OBJECTIVE: We aimed for assessment of the prognostic accuracy of GEP and sentinel lymph node biopsy (SLNB) tests, independently and in combination, in a multicenter cohort of 217 patients. METHODS: Reverse transcription polymerase chain reaction (RT-PCR) was performed to assess the expression of 31 genes from primary melanoma tumors, and SLNB outcome was determined from clinical data. Prognostic accuracy of each test was determined using Kaplan-Meier and Cox regression analysis of disease-free, distant metastasis-free, and overall survivals. RESULTS: GEP outcome was a more significant and better predictor of each end point in univariate and multivariate regression analysis, compared with SLNB (P < .0001 for all). In combination with SLNB, GEP improved prognostication. For patients with a GEP high-risk outcome and a negative SLNB result, Kaplan-Meier 5-year disease-free, distant metastasis-free, and overall survivals were 35%, 49%, and 54%, respectively. LIMITATIONS: Within the SLNB-negative cohort of patients, overall risk of metastatic events was higher (∼30%) than commonly found in the general population of patients with melanoma. CONCLUSIONS: In this study cohort, GEP was an objective tool that accurately predicted metastatic risk in SLNB-eligible patients.


Subject(s)
Gene Expression Profiling , Melanoma/genetics , Sentinel Lymph Node Biopsy , Disease-Free Survival , Humans , Kaplan-Meier Estimate , Melanoma/mortality , Melanoma/pathology , Neoplasm Metastasis , Neoplasm Staging , Prognosis , Regression Analysis , Reverse Transcriptase Polymerase Chain Reaction , Skin Neoplasms , Melanoma, Cutaneous Malignant
4.
Patient Educ Couns ; 98(6): 788-96, 2015 Jun.
Article in English | MEDLINE | ID: mdl-25749024

ABSTRACT

OBJECTIVE: To determine physician perspectives about direct notification of normal and abnormal test results. METHODS: We conducted a cross-sectional survey at five clinical sites in the US and Australia. The US-based study was conducted via web-based survey of primary care physicians and specialists between July and October 2012. An identical paper-based survey was self-administered between June and September 2012 with specialists in Australia. RESULTS: Of 1417 physicians invited, 315 (22.2%) completed the survey. Two-thirds (65.3%) believed that patients should be directly notified of normal results, but only 21.3% were comfortable with direct notification of clinically significant abnormal results. Physicians were more likely to endorse direct notification of abnormal results if they believed it would reduce the number of patients lost to follow-up (OR=4.98, 95%CI=2.21-1.21) or if they had personally missed an abnormal test result (OR=2.95, 95%CI=1.44-6.02). Conversely, physicians were less likely to endorse if they believed that direct notification interfered with the practice of medicine (OR=0.39, 95%CI=0.20-0.74). CONCLUSION: Physicians we surveyed generally favor direct notification of normal results but appear to have substantial concerns about direct notification of abnormal results. PRACTICE IMPLICATIONS: Widespread use of direct notification should be accompanied by strategies to help patients manage test result abnormalities they receive.


Subject(s)
Attitude of Health Personnel , Disclosure , Patient Access to Records , Physicians, Primary Care/psychology , Adult , Aged , Aged, 80 and over , Australia , Cross-Sectional Studies , Diagnostic Tests, Routine , Electronic Health Records , Female , Hospitals , Humans , Middle Aged , Surveys and Questionnaires , United States
5.
Clin Cancer Res ; 21(1): 175-83, 2015 Jan 01.
Article in English | MEDLINE | ID: mdl-25564571

ABSTRACT

PURPOSE: The development of a genetic signature for the identification of high-risk cutaneous melanoma tumors would provide a valuable prognostic tool with value for stage I and II patients who represent a remarkably heterogeneous group with a 3% to 55% chance of disease progression and death 5 years from diagnosis. EXPERIMENTAL DESIGN: A prognostic 28-gene signature was identified by analysis of microarray expression data. Primary cutaneous melanoma tumor tissue was evaluated by RT-PCR for expression of the signature, and radial basis machine (RBM) modeling was performed to predict risk of metastasis. RESULTS: RBM analysis of cutaneous melanoma tumor gene expression reports low risk (class 1) or high risk (class 2) of metastasis. Metastatic risk was predicted with high accuracy in development (ROC = 0.93) and validation (ROC = 0.91) cohorts of primary cutaneous melanoma tumor tissue. Kaplan-Meier analysis indicated that the 5-year disease-free survival (DFS) rates in the development set were 100% and 38% for predicted classes 1 and 2 cases, respectively (P < 0.0001). DFS rates for the validation set were 97% and 31% for predicted classes 1 and 2 cases, respectively (P < 0.0001). Gene expression profile (GEP), American Joint Committee on Cancer stage, Breslow thickness, ulceration, and age were independent predictors of metastatic risk according to Cox regression analysis. CONCLUSIONS: The GEP signature accurately predicts metastasis risk in a multicenter cohort of primary cutaneous melanoma tumors. Preliminary Cox regression analysis indicates that the signature is an independent predictor of metastasis risk in the cohort presented.


Subject(s)
Biomarkers, Tumor/biosynthesis , Gene Expression Regulation, Neoplastic , Melanoma/genetics , Neoplasm Proteins/biosynthesis , Adult , Aged , Aged, 80 and over , Biomarkers, Tumor/genetics , Disease-Free Survival , Female , Gene Expression Profiling , Humans , Kaplan-Meier Estimate , Male , Melanoma/pathology , Middle Aged , Neoplasm Proteins/genetics , Neoplasm Staging , Risk Factors , Skin Neoplasms , Melanoma, Cutaneous Malignant
6.
Am J Obstet Gynecol ; 211(5): 534.e1-4, 2014 Nov.
Article in English | MEDLINE | ID: mdl-24887317

ABSTRACT

OBJECTIVE: Although it is commonly accepted that rubella is well-controlled, a recent reemergence of both pertussis and measles might also predict a reemergence of rubella. This study was designed to estimate the current incidence of rubella exposure in pregnancy. STUDY DESIGN: This was a prospective, descriptive study, conducted in Houston, TX, at The Woman's Hospital of Texas. Women are typically screened for rubella immunity at the beginning of pregnancy. Rubella nonimmunity is defined as a titer less than 10 IU/mL in the US. Women who were non-immune early in pregnancy (<20 weeks) were recruited for this study and asked to be tested again for rubella immunity at the time of delivery. RESULTS: Of 298 women who were rubella nonimmune (IgG <10 IU/mL) early in pregnancy, 19 converted to immune status (IgG >40 IU/mL, defined as at least a 4-fold increase) at time of delivery, a rate of 6.38% (4.12% to 9.75%; 95% Wilson-Score confidence interval). For the 19 patients who converted to immune status at time of delivery, 8 patients had levels of 40-150 IU/mL, 6 patients had levels of 151-300 IU/mL, 2 patients had levels of 301-500 IU/mL, and 3 patients had levels >500 IU/mL. CONCLUSION: Pregnancy is a critical time to evaluate rubella exposure. This study estimated the current incidence of rubella exposure in pregnancy to be 6.38%.


Subject(s)
Antibodies, Viral/immunology , Pregnancy Complications, Infectious/immunology , Rubella/immunology , Adolescent , Adult , Female , Humans , Pregnancy , Pregnancy Complications, Infectious/epidemiology , Prospective Studies , Rubella/epidemiology , Seroepidemiologic Studies , United States/epidemiology , Young Adult
7.
Behav Sleep Med ; 12(1): 28-40, 2014.
Article in English | MEDLINE | ID: mdl-23470116

ABSTRACT

This study investigated the relation between generalized anxiety disorder (GAD) and frequency of bad dreams in older adults. A secondary analysis from a randomized clinical trial comparing cognitive behavioral therapy (CBT) for anxiety to enhanced usual care (EUC) assessed bad dream frequency at baseline, post treatment (3 months), and at 6, 9, 12, and 15 months. Of 227 participants (mean age = 67.4), 134 met GAD diagnostic criteria (CBT = 70, EUC = 64), with the remaining 93 serving as a comparison group. Patients with GAD had significantly more bad dreams than those without, and bad dream frequency was significantly associated with depression, anxiety, worry, and poor quality of life. CBT for anxiety significantly reduced bad dream frequency at post treatment and throughout follow up compared to EUC.


Subject(s)
Anxiety Disorders/psychology , Anxiety Disorders/therapy , Cognitive Behavioral Therapy , Dreams/physiology , Dreams/psychology , Aged , Anxiety Disorders/physiopathology , Depression/physiopathology , Depression/psychology , Female , Follow-Up Studies , Humans , Male , Mental Health , Middle Aged , Prevalence , Quality of Life
8.
Open J Epidemiol ; 3(1): 20-24, 2013 Feb.
Article in English | MEDLINE | ID: mdl-24027657

ABSTRACT

PURPOSE: We assessed whether accuracy of self-reported screening for colorectal cancer (CRC) varied by respondent characteristics or healthcare utilization. METHODS: From 2005 to 2007, 857 respondents aged 51 - 74 were recruited from a multi-specialty medical group practice to answer a questionnaire about their CRC screening (CRCS) behaviors. Self-reports were compared with administrative and medical records to assess concordance, sensitivity, specificity, and report-to-records ratios for overall CRCS (fecal occult blood test, sigmoidoscopy, and/or colonoscopy). RESULTS: Concordance was good (≥0.8 to <0.9) or fair (≥0.7 to <0.8) for most subgroups; respondents with >5 visits outside the clinic had poor (<0.7) concordance. Sensitivity estimates were mostly excellent (≥0.9) or good but poor for respondents whose healthcare provider did not advise a specific CRCS test. Specificity was poor for the following respondents: 65+ years, males, college graduates, family history of CRC, >5 visits outside of the clinic, or whose healthcare provider advised a specific CRCS test. Respondents 65+ years and with >5 outside visits over-reported CRCS. CONCLUSIONS: With few exceptions, self-reports of CRCS in an insured population is reasonably accurate across subgroups. More work is needed to replicate these findings in diverse settings and populations to better understand subgroup differences and improve measures of CRCS.

9.
Infect Dis Obstet Gynecol ; 2013: 525878, 2013.
Article in English | MEDLINE | ID: mdl-23606801

ABSTRACT

BACKGROUND: Infants born to mothers who are colonized with group B streptococcus (GBS) but received <4 hours of intrapartum antibiotic prophylaxis (IAP) are at-risk for presenting later with sepsis. We assessed if <4 hours of maternal IAP for GBS are associated with an increased incidence of clinical neonatal sepsis. MATERIALS AND METHODS: A retrospective cohort study of women-infant dyads undergoing IAP for GBS at ≥37-week gestation who presented in labor from January 1, 2003 through December 31, 2007 was performed. Infants diagnosed with clinical sepsis by the duration of maternal IAP received (< or ≥4-hours duration) were determined. RESULTS: More infants whose mothers received <4 hours of IAP were diagnosed with clinical sepsis, 13 of 1,149 (1.1%) versus 15 of 3,633 (0.4%), P = .03. Multivariate logistic regression analysis showed that treatment with ≥4 hours of IAP reduced the risk of infants being diagnosed with clinical sepsis by 65%, adjusted relative risk 0.35, CI 0.16-0.79, and P = .01. CONCLUSION: The rate of neonatal clinical sepsis is increased in newborns of GBS colonized mothers who receive <4 hours compared to ≥4 hours of IAP.


Subject(s)
Anti-Bacterial Agents/therapeutic use , Antibiotic Prophylaxis/methods , Infectious Disease Transmission, Vertical/prevention & control , Sepsis/prevention & control , Streptococcal Infections/transmission , Streptococcus agalactiae , Carrier State/drug therapy , Female , Humans , Incidence , Infant, Newborn , Male , Multivariate Analysis , Pregnancy , Retrospective Studies , Sepsis/epidemiology , Sepsis/microbiology , Streptococcal Infections/epidemiology , Streptococcal Infections/prevention & control , Texas/epidemiology , Time Factors
10.
JAMA Intern Med ; 173(6): 458-64, 2013 Mar 25.
Article in English | MEDLINE | ID: mdl-23440173

ABSTRACT

IMPORTANCE: Several national health care-based smoking cessation initiatives have been recommended to facilitate the delivery of evidence-based treatments, such as quitline (telephone-based tobacco cessation services) assistance. The most notable examples are the 5 As (Ask, Advise, Assess, Assist, Arrange) and Ask. Advise. Refer. (AAR) programs. Unfortunately, rates of primary care referrals to quitlines are low, and most referred smokers fail to call for assistance. OBJECTIVE: To evaluate a new approach--Ask-Advise-Connect (AAC)--designed to address barriers to linking smokers with treatment. DESIGN: A pair-matched, 2-treatment-arm, group-randomized design in 10 family practice clinics in a single metropolitan area. Five clinics were randomized to the AAC (intervention) and 5 to the AAR (control) conditions. In both conditions, clinic staff were trained to assess and record the smoking status of all patients at all visits in the electronic health record, and smokers were given brief advice to quit. In the AAC clinics, the names and telephone numbers of smokers who agreed to be connected were sent electronically to the quitline daily, and patients were called proactively by the quitline within 48 hours. In the AAR clinics, smokers were offered a quitline referral card and encouraged to call on their own. All data were collected from February 8 through December 27, 2011. SETTING: Ten clinics in Houston, Texas. PARTICIPANTS: Smoking status assessments were completed for 42,277 patients; 2052 unique smokers were identified at AAC clinics, and 1611 smokers were identified at AAR clinics. INTERVENTIONS: Linking smokers with quitline-delivered treatment. MAIN OUTCOME MEASURE: Impact was based on the RE-AIM (Reach, Efficacy, Adoption, Implementation, and Maintenance) conceptual framework and defined as the proportion of all identified smokers who enrolled in treatment. RESULTS: In the AAC clinics, 7.8% of all identified smokers enrolled in treatment vs 0.6% in the AAR clinics (t4 = 9.19 [P < .001]; odds ratio, 11.60 [95% CI, 5.53-24.32]), a 13-fold increase in the proportion of smokers enrolling in treatment. CONCLUSIONS AND RELEVANCE: The system changes implemented in the AAC approach could be adopted broadly by other health care systems and have tremendous potential to reduce tobacco-related morbidity and mortality.


Subject(s)
Communication , Patient Participation , Program Development/methods , Smoking Cessation/methods , Smoking/therapy , Delivery of Health Care/organization & administration , Electronic Health Records/statistics & numerical data , Family Practice/methods , Family Practice/standards , Humans , Program Evaluation/methods , Referral and Consultation , Smoking/psychology , Smoking Cessation/psychology , Smoking Cessation/statistics & numerical data , Telemedicine/methods , United States
11.
J Immigr Minor Health ; 15(5): 910-7, 2013 Oct.
Article in English | MEDLINE | ID: mdl-22847640

ABSTRACT

This study was conducted to assess the association between prior history of respiratory disease and lung cancer among Mexican Americans using data from a multi-racial/ethnic lung cancer case-control study. Cases (n = 204) were patients with previously untreated lung cancer. Healthy control participants (n = 325) were recruited from a large physician group practice. Demographics, cigarette use, and history of respiratory disease were collected. Multivariable logistic regression models were used to estimate relative risk. Prior history of COPD (OR = 2.0; 95 % CI 1.2-3.3) and pneumonia (OR = 2.2; 95 % CI 1.3-3.6) were associated with an increased risk of lung cancer. These findings illustrate that prior COPD and pneumonia are associated with an increased risk of lung cancer among Mexican Americans. To our knowledge, this is one of largest case-control analyses assessing the role of respiratory disease and lung cancer risk specifically among Mexican-Americans.


Subject(s)
Carcinoma, Non-Small-Cell Lung/etiology , Lung Diseases/complications , Lung Neoplasms/etiology , Mexican Americans , Aged , Case-Control Studies , Confidence Intervals , Female , Humans , Male , Middle Aged , Odds Ratio , Pneumonia/complications , Pulmonary Disease, Chronic Obstructive/complications , Rhinitis, Allergic, Seasonal/complications , Risk Factors , Self Report , Smoking/adverse effects , Texas/epidemiology
12.
Ann Behav Med ; 45(2): 180-91, 2013 Apr.
Article in English | MEDLINE | ID: mdl-23086590

ABSTRACT

BACKGROUND: Low socioeconomic status (SES) exacerbates the high rate of smoking relapse in women following childbirth. PURPOSE: This study examined multiple models of potential mechanisms linking SES and postpartum smoking relapse among women who quit smoking due to pregnancy. METHODS: Participants were 251 women enrolled in a randomized clinical trial of a new postpartum smoking relapse prevention intervention. Four models of the prepartum mechanisms linking SES and postpartum smoking relapse were evaluated using a latent variable modeling approach. RESULTS: Each of the hypothesized models were a good fit for the data. As hypothesized, SES indirectly influenced postpartum smoking relapse through increased prepartum negative affect/stress, reduced sense of agency, and increased craving for cigarettes. However, the model that included craving as the sole final pathway between SES and relapse demonstrated superior fit when compared with all other models. CONCLUSIONS: Findings have implications for future interventions that aim to reduce postpartum relapse.


Subject(s)
Postpartum Period/psychology , Smoking/economics , Smoking/psychology , Social Class , Adolescent , Adult , Affect , Behavior, Addictive/economics , Behavior, Addictive/psychology , Female , Humans , Models, Psychological
13.
Arch Womens Ment Health ; 15(2): 115-20, 2012 Apr.
Article in English | MEDLINE | ID: mdl-22382279

ABSTRACT

This study was developed to evaluate the feasibility of implementing systematic depression screening in a large obstetric practice and to evaluate the degree that detection and referral led to linkage with behavioral healthcare. Depression screening was conducted using the Edinburgh Postnatal Depression Scale, administered at the initial pregnancy care appointment. Patients at or above a predetermined score of 14 were advised to seek further behavioral health assessment through the patient's behavioral healthcare coverage. Within 4 weeks of screening, those referred were contacted by telephone, by clinic staff, to determine whether they had pursued behavioral healthcare as recommended. Limited available data for newly established postdelivery screening were similarly evaluated. All 2,199 newly presenting pregnant women who were seen in our obstetric clinics from September 2008 to May 2009 were screened for depression, and 102 (4.6%) scored at or above an EPDS of 14. Follow-up calls revealed that none had pursued further behavioral health assessments. Of these 2,199, screening and follow-up data were available for 569 women at their 6-week postdelivery visit. Of these, 28 (4.9%) were above EPDS of 14, and 5 (17.9%) reported pursuit of further behavioral healthcare following screening and referral. Peripartum depression can be addressed with systematic screening, and the electronic medical record can readily be used to monitor results. Detection and referral at the beginning of pregnancy did not lead to intended linkage with behavioral healthcare, but detection and referral postdelivery had a modest influence. Barriers to pursuing behavioral healthcare need to be discovered and addressed.


Subject(s)
Depression, Postpartum/diagnosis , Depressive Disorder/diagnosis , Mass Screening/methods , Peripartum Period/psychology , Pregnancy Complications/diagnosis , Adult , Female , Follow-Up Studies , Humans , Mental Health Services/statistics & numerical data , Obstetrics/methods , Pregnancy , Referral and Consultation , Surveys and Questionnaires
14.
J Consult Clin Psychol ; 80(4): 636-48, 2012 Aug.
Article in English | MEDLINE | ID: mdl-22390410

ABSTRACT

OBJECTIVE: Based on conceptual models of addiction and affect regulation, this study examined the mechanisms linking current major depressive syndrome (MDS) and anxiety syndrome (AS) to postpartum smoking relapse. METHOD: Data were collected in a randomized clinical trial from 251 women who quit smoking during pregnancy. Simple and multiple mediation models of the relations of MDS and AS with postpartum relapse were examined using linear regression, continuation ratio logit models, and a bootstrapping procedure to test the indirect effects. RESULTS: Both MDS and AS significantly predicted postpartum smoking relapse. After adjusting for MDS, AS significantly predicted relapse. However, after adjusting for AS, MDS no longer predicted relapse. Situationally based self-efficacy, expectancies of controlling negative affect by means other than smoking, and various dimensions of primary and secondary tobacco dependence individually mediated the effect of both MDS and AS on relapse. In multiple mediation models, self-efficacy in negative/affective situations significantly mediated the effect of MDS and AS on relapse. CONCLUSIONS: The findings underscore the negative impact of depression and anxiety on postpartum smoking relapse and suggest that the effects of MDS on postpartum relapse may be largely explained by comorbid AS. The current investigation provided mixed support for affect regulation models of addiction. Cognitive and tobacco dependence-related aspects of negative and positive reinforcement significantly mediated the relationship of depression and anxiety with relapse, whereas affect and stress did not. The findings emphasize the unique role of low agency with respect to abstaining from smoking in negative affective situations as a key predictor of postpartum smoking relapse.


Subject(s)
Anxiety Disorders/psychology , Depressive Disorder, Major/psychology , Postpartum Period/psychology , Smoking Cessation/psychology , Smoking/psychology , Adult , Affect , Anxiety/psychology , Depression/psychology , Female , Humans , Pregnancy , Recurrence , Risk Factors , Tobacco Use Disorder/psychology
15.
Carcinogenesis ; 33(4): 841-7, 2012 Apr.
Article in English | MEDLINE | ID: mdl-22318908

ABSTRACT

We investigated whether single nucleotide polymorphisms within ultraconserved elements (UCEs) are associated with susceptibility to overall colorectal cancer (CRC) and susceptibility to tumor site-specific CRC. The study included 787 CRC patients and 551 healthy controls. The study comprised of a training set (520 cases and 341 controls) and a replication set (267 cases and 210 controls). We observed associations in rs7849 and rs1399685 with CRC risk. For example, a dose-dependent trend (per-allele odds ratio (OR), 0.78; 95% confidence interval (CI), 0.63-1.00; P for trend = 0.05) associated with the variant allele of rs7849 in the training set. The significant trend toward a decrease in CRC risk was confirmed in the replication set (per-allele OR, 0.72; 95% CI, 0.52-0.99; P for trend = 0.044). When stratified by tumor location, for left-sided CRC (LCRC) risk, significant association was observed for the variant-containing genotypes of rs1399685 (OR, 1.77; 95% CI, 1.02-3.06) and the risk was replicated in the replication population (OR, 2.04; 95% CI, 1.02-4.07). The variant genotypes of rs9784100 and rs7849 conferred decreased risk but the associations were not replicated. Three right-sided CRC (RCRC) susceptibility loci were identified in rs6124509, rs4243289 and rs12218935 but none of the loci was replicated. Joint effects and potential higher order gene-gene interactions among significant variants further categorized patients into different risk groups. Our results strongly suggest that several genetic variants in the UCEs may contribute to CRC susceptibility, individually and jointly, and that different genetic etiology may be involved in RCRC and LCRC.


Subject(s)
Adenocarcinoma/genetics , Colorectal Neoplasms/genetics , Conserved Sequence , Genetic Predisposition to Disease , Genetic Variation , Humans , Polymorphism, Single Nucleotide
16.
Gastroenterol Res Pract ; 2012: 895807, 2012.
Article in English | MEDLINE | ID: mdl-22272194

ABSTRACT

Background. Despite the availability of multiple effective tests for colorectal cancer (CRC), screening rates are low. Greater understanding of barriers between screeners and nonscreeners may improve public health initiatives to increase CRC screening (CRCS). Methods. We conducted a content analysis of 625 responses to the question: "Was there anything that would have made getting tested easier?" Respondents were patients at a multispecialty practice who participated in a behavioral intervention trial to increase CRCS. Using clinic records, we classified patients as early-screeners (<6 months), late-screeners(6-12 months), and nonscreeners (>12 months). Results. Both screeners and nonscreeners reported the same categories of barriers. However, early-screeners predominantly cited dislike of test attributes such as bowel preparation, whereas nonscreeners cited concerns regarding finances and work and family responsibilities. Conclusion. Multilevel strategies that address scheduling barriers and external screening barriers may improve CRCS. Future studies may test hypotheses about mediators explaining how screeners overcome barriers.

17.
J Gen Intern Med ; 27(4): 413-9, 2012 Apr.
Article in English | MEDLINE | ID: mdl-22033742

ABSTRACT

BACKGROUND: Clinical inertia, provider failure to appropriately intensify treatment, is a major contributor to uncontrolled blood pressure (BP). Some clinical inertia may result from physician uncertainty over the patient's usual BP, adherence, or value of continuing efforts to control BP through lifestyle changes. OBJECTIVE: To test the hypothesis that providing physicians with uncertainty reduction tools, including 24-h ambulatory BP monitoring, electronic bottle cap monitoring, and lifestyle assessment and counseling, will lead to improved BP control. DESIGN: Cluster randomized trial with five intervention clinics (IC) and five usual care clinics (UCC). SETTING: Six public and 4 private primary care clinics. PARTICIPANTS: A total of 665 patients (63 percent African American) with uncontrolled hypertension (BP ≥140 mmHg/90 mmHg or ≥130/80 mmHg if diabetic). INTERVENTIONS: An order form for uncertainty reduction tools was placed in the IC participants' charts before each visit and results fed back to the provider. OUTCOME MEASURES: Percent with controlled BP at last visit. Secondary outcome was BP changes from baseline. RESULTS: Median follow-up time was 24 months. IC physicians intensified treatment in 81% of IC patients compared to 67% in UCC (p < 0.001); 35.0% of IC patients and 31.9% of UCC patients achieved control at the last recorded visit (p > 0.05). Multi-level mixed effects longitudinal regression modeling of SBP and DBP indicated a significant, non-linear slope difference favoring IC (p (time × group interaction) = 0.048 for SBP and p = 0.001 for DBP). The model-predicted difference attributable to intervention was -2.8 mmHg for both SBP and DBP by month 24, and -6.5 mmHg for both SBP and DBP by month 36. CONCLUSIONS: The uncertainty reduction intervention did not achieve the pre-specified dichotomous outcome, but led to lower measured BP in IC patients.


Subject(s)
Blood Pressure Determination/methods , Hypertension/prevention & control , Physicians/standards , Uncertainty , Blood Pressure Determination/instrumentation , Chi-Square Distribution , Cluster Analysis , Diastole , Female , Humans , Hypertension/diagnosis , Linear Models , Male , Middle Aged , Prospective Studies , Statistics as Topic , Systole
18.
Cancer ; 118(10): 2726-34, 2012 May 15.
Article in English | MEDLINE | ID: mdl-21948225

ABSTRACT

BACKGROUND: The purpose of this study was to identify factors associated with colorectal cancer (CRC) screening test preference and examine the association between test preference and test completed. METHODS: Patients (n = 1224) were 50-70 years, at average CRC risk, and overdue for screening. Outcome variables were preference for fecal occult blood test (FOBT), colonoscopy (COL), sigmoidoscopy (SIG), or barium enema (BE), measured by telephone survey, and concordance between test preference and test completed assessed using medical records. RESULTS: Thirty-five percent preferred FOBT, 41.1% COL, 12.7% SIG, and 5.7% BE. Preference for SIG or COL was associated with having a physician recommendation, greater screening readiness, test-specific self-efficacy, greater CRC worry, and perceived pros of screening. Preference for FOBT was associated with self-efficacy for doing FOBT. Participants who preferred COL were more likely to complete COL compared with those who preferred another test. Of those screened, only 50% received their preferred test. Those not receiving their preferred test most often received COL (52%). CONCLUSIONS: Lack of concordance between patient preference and test completed suggests that patients' preferences are not well incorporated into screening discussions and test decisions, which could contribute to low screening uptake. Physicians should acknowledge patients' preferences when discussing test options and making recommendations, which may increase patients' receptivity to screening.


Subject(s)
Colorectal Neoplasms/diagnosis , Early Detection of Cancer/methods , Aged , Colonoscopy , Female , Humans , Male , Middle Aged , Multivariate Analysis , Occult Blood , Primary Health Care , Sigmoidoscopy
19.
Health Psychol ; 30(6): 736-45, 2011 Nov.
Article in English | MEDLINE | ID: mdl-21859215

ABSTRACT

OBJECTIVE: Motivation plays an important role in a variety of behaviors, including smoking cessation, and is integral to theory and treatment of smoking. For many women, pregnancy offers a motivational shift that helps them stop smoking and maintain abstinence during pregnancy. However, women's motivation to maintain smoking abstinence postpartum is not well-understood and may play a role in high postpartum relapse rates. The current study utilized multiple measures of prepartum motivation to maintain smoking abstinence to predict postpartum smoking abstinence. METHODS: As part of a randomized clinical trial on postpartum smoking relapse prevention, pregnant women who quit smoking during pregnancy reported their motivation to continue smoking abstinence at a prepartum baseline session. Biochemically verified continued smoking abstinence was assessed at 8 and 26 weeks postpartum. RESULTS: Direct relationships among multiple measures of motivation were significant, and ranged in strength from weak to moderate. All motivation measures individually predicted continuous smoking abstinence, after controlling for treatment group, demographics, and prequit tobacco use. When tested simultaneously, a global motivation measure and parenthood motives for quitting remained significant predictors of abstinence. Backward selection modeling procedures resulted in a reduced model of prepartum predictors of postpartum abstinence including global motivation, parenthood motives, and stage of change. CONCLUSIONS: Global motivation for smoking abstinence and parenthood motives for quitting are particularly important motivational constructs for pregnant women's continued smoking abstinence.


Subject(s)
Smoking Cessation/psychology , Smoking/psychology , Adolescent , Adult , Female , Humans , Motivation , Peripartum Period , Postpartum Period , Pregnancy , Recurrence , Young Adult
20.
J Prev Med Public Health ; 44(3): 101-10, 2011 May.
Article in English | MEDLINE | ID: mdl-21617335

ABSTRACT

OBJECTIVES: Screening for colorectal cancer is considered cost effective, but is underutilized in the U.S. Information on the efficiency of "tailored interventions" to promote colorectal cancer screening in primary care settings is limited. The paper reports the results of a cost effectiveness analysis that compared a survey-only control group to a Centers for Disease Control (CDC) web-based intervention (screen for life) and to a tailored interactive computer-based intervention. METHODS: A randomized controlled trial of people 50 and over, was conducted to test the interventions. The sample was 1224 participants 50-70 years of age, recruited from Kelsey-Seybold Clinic, a large multi-specialty clinic in Houston, Texas. Screening status was obtained by medical chart review after a 12-month follow-up period. An "intention to treat" analysis and micro costing from the patient and provider perspectives were used to estimate the costs and effects. Analysis of statistical uncertainty was conducted using nonparametric bootstrapping. RESULTS: The estimated cost of implementing the web-based intervention was $40 per person and the cost of the tailored intervention was $45 per person. The additional cost per person screened for the web-based intervention compared to no intervention was $2602 and the tailored intervention was no more effective than the web-based strategy. CONCLUSIONS: The tailored intervention was less cost-effective than the web-based intervention for colorectal cancer screening promotion. The web-based intervention was less cost-effective than previous studies of in-reach colorectal cancer screening promotion. Researchers need to continue developing and evaluating the effectiveness and cost-effectiveness of interventions to increase colorectal cancer screening.


Subject(s)
Colorectal Neoplasms/diagnosis , Early Detection of Cancer/economics , Early Detection of Cancer/methods , Health Promotion/methods , Internet , Aged , Cost-Benefit Analysis , Female , Humans , Male , Middle Aged , Primary Health Care/organization & administration , United States
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