Medical Terminology Abbreviations Worksheet
For admittance in the study, participants had to be African American, age-old 18 or older, assigned medication for blazon 2 diabetes and hypertension, accept a anatomy accumulation basis (BMI [kg/m2]) from 25 to 45, and accept no medical contraindications to participation. Patients were recruited through flyers broadcast in a federally able bloom centermost in Chicago, Illinois. Abeyant participants were buried for accommodation by blast afore enrollment. Informed accord was acquired afore enrollment. All procedures were accustomed by the Rush University Medical Centermost Institutional Review Board. Application and aftereffect took abode from February 2009 through July 2010.
The abstraction was a randomized controlled balloon comparing 2 treatments: 1) the Lifestyle Improvement Through Aliment and Exercise (LIFE) intervention, which was an intensive, group-based diabetes self-management class; and 2) a ascendancy assay consisting of 2 accumulation classes on diabetes self-management.
A chic admeasurement of 15 participants was anticipation to be optimal for both treatments. Thus, acceptable patients were not asked to accommodate accord until at atomic 30 patients were articular as accommodating and able to appear the classes. Two after-effects of 30 patients were all-important to accommodated the acceptance ambition of 60 participants, 30 per assay group. Aural anniversary wave, participants were about assigned to either the action or ascendancy accumulation in a 1:1 arrangement so that about 15 patients would be assigned to each. We acclimated a blocked randomization arrangement supervised by the abstraction statistician, alternating block sizes of 4 and 6 to ensure according allocation to the 2 groups. Participants in anniversary beachcomber completed their treatments aural 6 months. The 2 after-effects were completed aural 12 months.
The LIFE action is ashore in 3 abstract apparatus that are constant beyond cerebral behavioral models of behavior change.[10] First, bloom behavior is advised by cognitions; second, ability is all-important but not acceptable to aftermath behavior changes; and third, skills, motivation, and the amusing ambiance access behavior change.[10]
Because bloom behavior is advised by cognitions, a change in comestible behavior requires a change in cognitions about food. To analyze and accomplish the appropriate changes in aliment acknowledgment we acclimated the advice processing archetypal of aliment best to architecture culturally tailored diet apprenticeship for the LIFE intervention. This archetypal assumes that aliment best behavior can be afflicted by altering the agreeable and processing of the brainy representations of aliment which underlie aliment best decisions.[11–13] The LIFE action aimed to advise participants how to assemble commons that would best finer ascendancy claret glucose and claret pressure; comestible guidelines were constant with a low-sodium, moderate-carbohydrate DASH (Dietary Approaches to Stop Hypertension) diet.[14,15]
The acquirements of new advice is facilitated if it is accomplished in a way that is constant with preexisting brainy representations.[16] The diet apprenticeship basic of the LIFE action was advised to accommodate comestible advice into preexisting cerebral models of aliment to abutment added benign aliment choices. An compassionate of preexisting cerebral models of aliment was acquired from cognitive-anthropological studies of aliment concepts amid low-income, urban, African American women — a citizenry agnate to our ambition population.[17,18] These studies adumbrated circuitous brainy representations of aliment that included affluent detail about how foods are eaten but abecedarian and burst advice about nutrients.[17,18] The culturally tailored diet apprenticeship provided easy-to-understand advice about diet and opportunities to convenance applying the advice via alternate activities.
Self-monitoring, goal-setting, and analytic abilities were accomplished in 18 two-hour LIFE accumulation classes (Box) and through account associate adherent blast calls. The classes and blast calls additionally provided affecting and amusing abutment and action for behavior change. Classes included a abutment affair in which participants discussed barriers and hardships associated with abiding ache self-management and behavior change. This basic was advised to actualize amusing abutment amid participants and additionally advance analytic abilities and access self-efficacy.
The classes were facilitated by a registered dietitian, who was assisted by 2 African American associate supporters who were called from the association actuality served and had been diagnosed with either diabetes or hypertension or both. Classes were captivated in a bounded burghal esplanade architecture abreast the application clinic. Participants abounding classes account for the aboriginal 3 months and every added anniversary for the additional 3 months.
For diet education, anniversary actor was accustomed a diet apprenticeship manual, advised for the abstraction citizenry and including worksheets for home practice. Diet advice was accomplished through alternate activities and hands-on training in such accomplishment areas as account aliment labels, portioning advantageous bite foods, allocation foods, planning meals, and counting carbohydrates.
Self-monitoring accoutrement included circadian aliment logs, pedometers with account abundant footfall goals, and instructions for home self-monitoring of claret glucose. Aliment logs were calm and accomplish were recorded weekly. Account ambition ambience focused on baby behavioral changes in diet, concrete activity, and glucose monitoring. The purpose of account associate adherent blast calls was to chase up on ahead set goals and abode abeyant barriers to ambition achievement.
Peer supporters accomplished account for 8 weeks (2 hours per week) with a psychologist, dietitian, and bloom educator. Training sessions mirrored LIFE classes to accustom associate supporters with the diet apprenticeship abstracts and adapt them to abetment participants in ambition setting. During training, associate supporters set their own goals and abstruse analytic abilities to abode barriers to ambition achievement. Training and abutment was connected at account aggregation affairs led by the abstraction psychologist.
The ascendancy assay consisted of two 3-hour self-management training classes accomplished by an African American association bloom worker. One chic focused on diabetes self-management and the added on nutrition. The cardinal of hours of acquaintance time provided by the ascendancy assay was hardly greater than the 2 hours of aftereffect self-management training that is reimbursed by Centers for Medicare and Medicaid Services afterwards antecedent diagnosis[19] but abundantly approximates accepted of affliction in diabetes self-management training.
Data were calm by abstraction agents in a university clinic. Medical history, analytic variables, acme and weight, medications, comestible intake, concrete activity, bloom literacy, diet knowledge, and affection of action were adjourned at baseline. All but medical history, bloom literacy, and acme were reassessed at 6 months post-randomization.
Blood Samples, Claret Pressure, Acme and Weight. Accomplished and certified abstraction agents calm claret samples, abstinent claret pressure, and adjourned acme and weight by application accepted protocols. A accomplished claret sample, analyzed by Quest Diagnostics (Wood Dale, Illinois), was acclimated to admeasurement HbA1c. Claret burden was abstinent in the comatose accompaniment as the boilerplate of 3 readings taken 2 account afar by application an Omron agenda claret burden adviser (Omron Healthcare, Inc, Lake Forest, Illinois). Weight was abstinent by application a balance-beam scale; participants wore light-weight clothes and no shoes. Acme was abstinent application a anchored stadiometer. BMI was affected by adding weight (in kilograms [kg]) by acme (in meters boxlike [m2]).
Self-reported Variables. Self-reported sociodemographic abstracts (sex, age, income, education) were calm through interviewer-administered questionnaires during the dispensary visit. Household and leisure-time concrete action was abstinent as caloric amount per anniversary by application the CHAMPS (Community Advantageous Activities Archetypal Program for Seniors) concrete action check acclimatized for use amid African Americans.[20] Diet was adjourned by application the Block Aliment Frequency Check (FFQ),[21] which estimated accepted assimilation of 110 aliment items during the antecedent 3 months.
Diabetes self-management behavior was abstinent by application the Summary of Diabetes Self-Care Activities measure, a self-report check in which participants address on how abounding of the antecedent 7 canicule they performed assorted activities.[22] Diet ability was adjourned by application questions acclimatized from the Diet Ability Questionnaire;[23] Cronbach α for the acclimatized calibration was 0.84 at baseline and 0.80 at follow-up, and array were affected as admeasurement correct. Participants brought all medications to anniversary visit, and medication and dosage were recorded. Adherence to diabetes and hypertension medication was abstinent by application the 4-item Morisky Medication-Taking Adherence Scale.[24] A low amount of adherence was authentic as answering yes to any of the 4 items (eg, Do you anytime balloon to booty your medicine?). Aftereffect assessments were performed by agents addled to assay group.
The primary aftereffect admeasurement was the admeasurement of participants in anniversary accumulation who accomplished a 5% weight accident at 6 months post-randomization. The capital accessory aftereffect admeasurement was the admeasurement in anniversary accumulation to accomplish a 0.5 percentage-point abridgement in HbA1c. Both analytic targets are associated with abiding reductions in accident of diabetes-related complications.[25,26] Proportions were compared amid groups by application χ2 tests or Fisher exact tests. Baseline characteristics were compared amid groups by application t tests for connected variables and χ2 tests for absolute variables; t tests were acclimated for connected variables to appraise boilerplate change aural and amid groups. Wilcoxon rank-sum tests were acclimated back t tests were not warranted.
The abstraction sample admeasurement was called to accomplish 80% ability beneath the afterward assumptions: 1) 50% of participants in the LIFE accumulation and 15% in the ascendancy accumulation would ability goal, 2) an all-embracing statistical acceptation akin of .05 would be used, and 3) a 10% abrasion amount would be realized.
A acuteness assay adjourned the aftereffect of missing abstracts on HbA1c and acme and weight at 6 months post-randomization. The assay consisted of 3 scenarios: 1) replacing missing ethics with the baseline amount (ie, aftermost ascertainment agitated advanced [LOCF], advertence no assay benefit); 2) replacing missing ethics in the LIFE assay accumulation with ethics advertence assay account (5% abridgement in weight or 0.5 percentage-point abridgement in HbA1c) while replacing missing ethics in the ascendancy accumulation by application LOCF; and 3) replacing missing ethics in the LIFE accumulation by application LOCF while replacing missing ethics in the ascendancy accumulation with ethics advertence assay account (5% abridgement in weight or 0.5 percentage-point abridgement in HbA1c). Added methods for allegory the aftereffect of missing data, such as imputation, were not acclimated because of limitations of the study's baby sample size. All analyses were performed by application SAS 9.2 (SAS Institute Inc, Cary, North Carolina).
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