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Surin Jiraniramai,1,* Tinakon Wongpakaran,2,* Chaisiri Angkurawaranon,1 Wichuda Jiraporncharoen,1 Nahathai Wongpakaran2 1Department of Family Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai, Kingdom of Thailand; 2Department of Psychiatry, Faculty of Medicine, Chiang Mai University, Chiang Mai, Kingdom of Thailand*These authors contributed equally to this workCorrespondence: Nahathai WongpakaranGeriatric Psychiatry Unit, Department of Psychiatry, Faculty of Medicine, Chiang Mai University., 110 Intawaroros Road, T. Sriphum, A. Muang, Chiang Mai, 50200, Kingdom of ThailandTel +66 53 935422 ext 320Fax +66 53 935426Email nahathai.wongpakaran@cmu.ac.thPurpose: The Patient Health Questionnaire (PHQ-9) is a widely used self-report questionnaire to screen depression. Its psychometric property has been tested in many populations including health care workers. We used Rasch measurement theory to examine the psychometric properties of PHQ-9 regarding item difficulty, item fit and the differences between subgroups of respondents classified by sex, age, education and alcohol user status, based on the same overall location of participants.Patients and Methods: In total, 3204 health care workers of Maharaj Nakorn Chiang Mai Hospital participated and were administered the PHQ-9. Rating scale Rasch measurement modeling was used to examine the psychometric properties of the PHQ-9.Results: The data fitted well to the Rasch model and no violations of the assumption of unidimensionality were observed. All 9 items could form a unidimensional construct of overall depressive severity. Suicidal ideation was the least endorsed while sleep problem was the most. No disordered category and threshold of the rating response were observed. No locally dependent items were observed. No items were found to show differential item functioning across age, sex, education and alcohol consumption. The item-person Wright map showed that the PHQ-9 did not target well with the sample, and a w

Chawisa Suradom,1 Nahathai Wongpakaran,1 Tinakon Wongpakaran,1 Peerasak Lerttrakarnnon,2 Surin Jiraniramai,2 Unchulee Taemeeyapradit,3 Surang Lertkachatarn,4 Suwanna Arunpongpaisal5 1Geriatric Psychiatry Unit, Department of Psychiatry, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand; 2Department of Family Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand; 3Department of Psychiatry, Songkhla Rajanagarindra Psychiatric Hospital, Songkhla, Thailand; 4Department of Psychiatry, Prasat Neurological Institute, Bangkok, Thailand; 5Department of Psychiatry, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand Purpose: The study evaluated the prevalence of comorbid anxiety disorders in late-life depression (LLD) and identified their associated factors.Patients and methods: This study involved 190 elderly Thais with depressive disorders diagnosed according to the Mini-International Neuropsychiatric Interview (MINI). Anxiety disorders were also diagnosed by the MINI. The 7-item Hamilton Depression Rating Scale (HAMD-7), Montreal Cognitive Assessment, Geriatric Depression Scale (GDS), Core Symptoms Index, Neuroticism Inventory, Perceived Stress Scale and Multidimensional Scale for Perceived Social Support were completed. Descriptive statistics and ORs were used for analysis.Results: Participants included 139 females (73.2%) with a mean age of 68.39±6.74 years. The prevalence of anxiety disorders was 7.4% for generalized anxiety disorder (GAD), 4.7% for panic disorder, 5.3% for agoraphobia, 1.1% for social phobia, 2.1% for obsessive–compulsive disorder and 3.7% for post-traumatic stress disorder, with an overall prevalence of 16.84%. The comorbidity of anxiety disorders was associated with gender (P=0.045), history of depressive disorder (P=0.040), family history of depressive disorder (P=0.004), GDS (P=0.037), HAMD-7 (P=0.001), suicidality (P=0.002) and neuroticism (P=0.003). History of alcohol use was not

Chaisiri Angkurawaranon,1,2 Anawat Wisetborisut,2 Wichuda Jiraporncharoen,2 Surinporn Likhitsathian,3 Ronnaphob Uaphanthasath,2 Patama Gomutbutra,2 Surin Jiraniramai,2 Chawin Lerssrimonkol,2 Apinun Aramrattanna,2 Pat Doyle,1 Dorothea Nitsch1 1Department of Non-Communicable Disease Epidemiology, Faculty of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London, UK; 2Department of Family Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand; 3Department of Psychiatry, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand Background: Urbanization is considered to be one of the key drivers of noncommunicable diseases (NCDs) in Thailand and other developing countries. These influences, in turn, may affect an individual's behavior and risk of developing NCDs. The Chiang Mai University (CMU) Health Worker Study aims to provide evidence for a better understanding of the development of NCDs and ultimately to apply the evidence toward better prevention, risk modification, and improvement of clinical care for patients with NCDs and NCD-related conditions. Methods: A cross-sectional survey of health care workers from CMU Hospital was conducted between January 2013 and June 2013. Questionnaires, interviews, and physical and laboratory examinations were used to assess urban exposure, occupational shift work, risk factors for NCDs, self-reported NCDs, and other NCD-related health conditions. Results: From 5,364 eligible workers, 3,204 participated (59.7%). About 11.1% of the participants had high blood pressure (systolic blood pressure ≥140 mmHg or diastolic blood pressure ≥90 mmHg) and almost 30% were considered to be obese (body mass index ≥25 kg/m2). A total of 2.3% had a high fasting blood glucose level (≥126 mg/dL), and the most common abnormal lipid profile was high low-density lipoprotein (≥160