Appendix 1.

Original Self-Reporting Questionnaire

Back-translated Self-Reporting Questionnaire

Do you often have headaches? Is your appetite poor? Do you sleep badly? Are you easily frightened? Do your hands shake? Do you feel nervous, tense, or worried? Is your digestion poor? Do you have trouble thinking clearly? Do you feel unhappy? Do you cry more than usual? Do you find it difficult to enjoy your daily activities? Do you find it difficult to make decisions? Is your daily work suffering? Are you unable to play a useful role in life? Have you lost interest in things? Do you feel that you are a worthless person? Has the thought of ending your life been on your mind? Do you feel tired all the time? Do you have uncomfortable feelings in your stomach? Are you easily tired?

Do you often have persistent headaches? Is your appetite poor? Do you sleep badly? Are you easily frightened? Do your hands shake? Do you feel nervous, tense, or worried? Do you often experience constipation, heartburn, or bloating of the stomach after having your meals?* Do you have difficulties with your thinking, for example, do you think too much?* Do you feel unhappy? Do you get a feeling of wanting to cry but you cannot?* Do you find it difficult to enjoy your daily activities? Do you find difficulty in deciding on what activities (household chores) you will perform on a given day?* Do you have trouble completing your daily tasks?* Are you unable to play a useful role in life? Have you lost interest in things you used to enjoy? Do you feel that you are a worthless person? Has the thought of ending your life been on your mind? Do you feel tired all the time? Do you have uncomfortable feelings in your stomach? Are you easily tired?

Note:

^*SRQ items that were fully revised to capture the idioms of distress in this population.