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The Six-Item Version of the Internet Addiction Test: Its Development, Psychometric Properties, and Measurement Invariance among Women with Eating Disorders and Healthy School and University Students.
Ali, Amira Mohammed; Hendawy, Amin Omar; Almarwani, Abdulaziz Mofdy; Alzahrani, Naif; Ibrahim, Nashwa; Alkhamees, Abdulmajeed A; Kunugi, Hiroshi.
  • Ali AM; Department of Behavioral Medicine, National Institute of Mental Health, National Center of Neurology and Psychiatry, 4-1-1, Ogawahigashi, Kodaira, Tokyo 187-8553, Japan.
  • Hendawy AO; Department of Psychiatric Nursing and Mental Health, Faculty of Nursing, Alexandria University, Smouha, Alexandria 21527, Egypt.
  • Almarwani AM; Department of Biological Production, Tokyo University of Agriculture and Technology, Tokyo 183-8509, Japan.
  • Alzahrani N; Department of Animal and Poultry Production, Faculty of Agriculture, Damanhour University, Damanhour 22516, Egypt.
  • Ibrahim N; Department of Psychiatric Nursing, College of Nursing, Taibah University, Janadah Bin Umayyah Road, Tayba, Medina 42353, Saudi Arabia.
  • Alkhamees AA; Department of Medical Surgical Nursing, College of Nursing, Taibah University, Janadah Bin Umayyah Road, Tayba, Medina 42353, Saudi Arabia.
  • Kunugi H; Department of Psychiatric and Mental Health Nursing, Faculty of Nursing, Mansoura University, Mansoura 35516, Egypt.
Int J Environ Res Public Health ; 18(23)2021 11 24.
Article in English | MEDLINE | ID: covidwho-1542506
ABSTRACT
Internet addiction (IA) is widespread, comorbid with other conditions, and commonly undetected, which may impede recovery. The Internet Addiction Test (IAT) is widely used to evaluate IA among healthy respondents, with less agreement on its dimensional structure. This study investigated the factor structure, invariance, predictive validity, criterion validity, and reliability of the IAT among Spanish women with eating disorders (EDs, N = 123), Chinese school children (N = 1072), and Malay/Chinese university students (N = 1119). In school children, four factors with eigen values > 1 explained 50.2% of the variance, with several items cross-loading on more than two factors and three items failing to load on any factor. Among 19 tested models, CFA revealed excellent fit of a unidimensional six-item IAT among ED women and university students (χ2(7) = 8.695, 35.038; p = 0.275, 0.001; CFI = 0.998, 981; TLI = 0.996, 0.960; RMSEA = 0.045, 0.060; SRMR = 0.0096, 0.0241). It was perfectly invariant across genders, academic grades, majors, internet use activities, nationalities (Malay vs. Chinese), and Malay/Chinese female university students vs. Spanish women with anorexia nervosa, albeit it was variant at the scalar level in tests involving other EDs, signifying increased tendency for IA in pathological overeating. The six-item IAT correlated with the effects of internet use on academic performance at a greater level than the original IAT (r = -0.106, p < 0.01 vs. r = -0.78, p < 0.05), indicating superior criterion validity. The six-item IAT is a robust and brief measure of IA in healthy and diseased individuals from different cultures.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Feeding and Eating Disorders / Behavior, Addictive Type of study: Diagnostic study / Prognostic study / Randomized controlled trials Limits: Child / Female / Humans / Male Language: English Year: 2021 Document Type: Article Affiliation country: Ijerph182312341

Full text: Available Collection: International databases Database: MEDLINE Main subject: Feeding and Eating Disorders / Behavior, Addictive Type of study: Diagnostic study / Prognostic study / Randomized controlled trials Limits: Child / Female / Humans / Male Language: English Year: 2021 Document Type: Article Affiliation country: Ijerph182312341