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HIV Health Survey - Medical Outcomes Study (MOS-HIV) (Thai Version) « Surveys/Scales « Downloads

Date postedJanuary 25, 2012
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CategoriesSurveys/Scales, Mental Health, Quality of Life


Health measures for PLH were assessed by the Medical Outcomes Study HIV Health Survey (MOS-HIV) instrument (Ichikawa, 2004; Wu, 1997). Three subscales from the MOS-HIV (general health, mental health, and physical health) were used in this study.

General health was assessed by the MOS-HIV general health subscale, consisting of five items (Wu, 1997; Revicki, 1998). First, PLH were asked to rate their current health by reporting their general perception of overall health status (1 = excellent to 5 = poor). PLH were also asked to report their general perception of health (1 = definitely true to 5 = definitely false): 1) I am somewhat ill; 2) I am healthy as anybody I know; 3) My health is excellent; and 4) I have been feeling bad lately. The four-item subscale was transformed into a 100-point scale (higher score reflecting better general health) with an acceptable internal consistency (Cronbach’s α = 0.72).

Mental health was assessed by the MOS-HIV health distress and emotional well-being subscales, consisting of eight items (Wu, 1997; Revicki, 1998).PLH were asked to rate their level of distress and emotional well-being in the past month (1 = all of the time to 6 = none of the time): 1) How much of the time have you been a nervous person? 2) felt calm and peaceful; 3) felt downhearted and blue; 4) felt down in the dumps that nothing could cheer you up; 5) felt weighed down by my health problems; 6) felt discouraged by your health problems; 7) felt despair over your health problems; and 8) were afraid because of your health. The eight-item subscale was transformed into a 100-point scale (higher score reflecting better mental health) with a high internal consistency (Cronbach’s α = 0.85).

Physical health was assessed by the MOS-HIV physical functioning subscale, consisting of six items (Wu, 1997; Revicki, 1998). PLH were asked what activities they might do during a typical day. They were asked to report how much their health limited these activities (0 = not limited; 1 = marginally limited; 2 = greatly limited). The six items were: 1) vigorous activities such as lifting heavy objects, running, or participating in strenuous sports; 2) moderate activities such as moving a table or carrying groceries; 3) walking uphill or climbing; 4) bending, lifting, or stooping; 5) walking around for one block; and 6) eating, dressing, bathing, or using the toilet. The subscale was transformed into a 100-point scale (higher score reflecting better physical health) with a satisfactory internal consistency (α = 0.81).

Revicki, D.A., Sorensen, S., Wu, A.W. (1998). Reliability and validity of physical health and mental health summary scores from the MOS HIV Health Survey. Med Care, 36, 126–137.