Psychometric Properties of the Generalized Anxiety Disorder Scale (GAD-7) in Older Adults With Advanced Cancer

被引:3
作者
Saracino, Rebecca M. [1 ]
Kehoe, Lee A. [2 ,3 ]
Sohn, Michael B. [4 ]
Wang, Lu [4 ]
Mohile, Supriya [2 ,5 ]
Wells, Megan [2 ]
Mustian, Karen [2 ,3 ]
Morrow, Gary [2 ,3 ]
Bradley, Thomas [6 ]
Onitilo, Adedayo [7 ]
Giguere, Jeffrey [8 ]
Mcconnell, Kelly M. [1 ]
机构
[1] Mem Sloan Kettering Canc Ctr, Dept Psychiat & Behav Sci, New York, NY 10065 USA
[2] Univ Rochester, Sch Med & Dent, James P Wilmot Canc Inst, Rochester, NY USA
[3] Univ Rochester, Sch Med & Dent, Dept Surg, Div Support Care Canc, Rochester, NY USA
[4] Univ Rochester, Sch Med & Dent, Dept Biostat & Computat Biol, Rochester, NY USA
[5] Univ Rochester, Dept Med, Div Hematol Oncol, Sch Med & Dent, Rochester, NY USA
[6] Northwell Hlth, RJ Zuckerberg Canc Ctr, NCORP Northwell, New Hyde Pk, NY USA
[7] Marshfield Clin Fdn Med Res & Educ, Wisconsin NCORP, Marshfield, WI USA
[8] Prisma Hlth, NCORP Carolinas, Greenville, SC USA
关键词
advanced cancer; aging; cancer; generalized anxiety; geriatric oncology; oncology; psychometrics; BREAST-CANCER; SOCIAL SUPPORT; DEPRESSION; PREDICTORS; SURVIVORS; CHEMOTHERAPY; TRAJECTORIES; VALIDATION; DECLINE; DYSPNEA;
D O I
10.1002/pon.70012
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
ObjectivesOver half of new cancer diagnoses occur in patients aged 65 or older, with up to 40% experiencing anxiety. The American Society of Clinical Oncology recommends using the Generalized Anxiety Disorder Scale (GAD-7) for anxiety screening, but the GAD-7 psychometric properties in this population are unknown. This study examined the GAD-7's reliability, validity, and item parameters, comparing its utility with the GAD-2 in older adults with cancer.MethodsThis cross-sectional secondary analysis of a nationwide multi-site two-arm cluster randomized trial in older adults (>= 70) with advanced cancer. The GAD-7 was administered at baseline. Properties were evaluated with Cronbach's alpha, Pearson correlation coefficients, and a 2-parameter logistic model. Logistic regression models compared the GAD-2 and GAD-7.ResultsThe sample included 718 participants (Mean age = 77, SD = 5) with mild anxiety (M = 3.74, SD = 4.74). Internal consistency was strong (Cronbach's alpha = 0.89) and item-total correlations ranged 0.53 to 0.78. Item 2 (Not being able to stop or control worrying) was the most discriminating and item 5 (Being so restless that it is hard to sit still) was least discriminating. Area Under the Curve (AUC) analyses demonstrated the GAD-2 had a 0.93-0.96 AUC.ConclusionsEstablishing the psychometric properties of anxiety screening measures is crucial in the older adults with cancer to maximize referral efficiency and accuracy. This study indicates that the GAD-7 is reliable and valid for older adults with cancer. Analyses suggest the GAD-2 may be as sufficient as the GAD-7 in identifying anxiety in older adults with cancer, thereby reducing assessment burden.
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页数:10
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