Table 1. Summary of questions used to construct MOS subscales.

Subscale	Survey items	Range of raw score	Transformed mean score	SD
Physical functioning	Does current health limit in the following activities:	6–18	82.33	17.76
	Vigorous activities
	Moderate activities
	Walking uphill or climbing stairs
	Bending, lifting objects, or kneeling
	Walking a distance
	Eating, dressing, bathing
Role functioning	Health prevents from working at a job, doing work around the house or attending school	2–4	56.67	21.63
	Limited in the kinds or amounts of work, housework or school work because of health
Social functioning	In past 30 days, health limits social activities, like visiting with friends or family	1–6	82.67	22.49
Cognitive functioning	In past 30 days:	4–24	73.27	19.11
	Had difficulty reasoning and making decisions
	Forgot things that happened recently
	Had trouble keeping attention on any activity for long
	Had difficulty doing activities involving concentration and thinking
Pain	How much bodily pain in past 30 days	2–11	58.50	19.58
	How much did pain interfere with normal work in past 30 days
Mental health	In past 30 days, felt:	5–30	65.21	16.32
	Nervous
	Calm and peaceful
	Depressed
	Happy
	Couldn't be cheered up
General health	In general, health is…(excellent/very good/good/fair/poor)	5–25	32.29	24.93
	True/false:
	Somewhat ill
	Healthy as other people
	Health is excellent
	Feeling bad recently
Vitality	In past 30 days, felt:	4–24	60.60	16.79
	Full of life/energy
	Without energy
	Tired
	Had enough energy to do things
Health distress	In past 30 days, felt:	4–24	82.52	15.78
	Weighed down by health problems
	Discouraged by health problems
	Despair over health problems
	Afraid because of health
Quality of life	Quality of life during past 30 days/how things have been going	1–5	47.22	18.37
Health transition	Compared to 30 days ago, how would rate:	1–5	44.35	17.60
	Physical health now
	Emotional condition now
	Ability to care for and provide for children and family members now