The data come from the Australian Health Survey of 1977-78 and consist of 5190 single adults where young and old have been oversampled.
A data frame with 5190 observations on the following 19 variables.
1 if female, 0 if male
Age in years divided by 100 (measured as mid-point of 10 age groups from 15-19 years to 65-69 with 70 or more coded treated as 72)
age squared
Annual income in Australian dollars divided by 1000 (measured as mid-point of coded ranges Nil, less than 200, 200-1000, 1001-, 2001-, 3001-, 4001-, 5001-, 6001-, 7001-, 8001-10000, 10001-12000, 12001-14000, with 14001- treated as 15000
1 if covered by private health insurance fund for private patient in public hospital (with doctor of choice), 0 otherwise
1 if covered by government because low income, recent immigrant, unemployed, 0 otherwise
1 if covered free by government because of old-age or disability pension, or because invalid veteran or family of deceased veteran, 0 otherwise
Number of illnesses in past 2 weeks with 5 or more coded as 5
Number of days of reduced activity in past two weeks due to illness or injury
General health questionnaire score using Goldberg's method. High score indicates bad health
1 if chronic condition(s) but not limited in activity, 0 otherwise
1 if chronic condition(s) and limited in activity, 0 otherwise
Number of consultations with a doctor or specian the past 2 weeks
Number of consultations with non-doctor health professionals (chemist, optician, physiotherapist, social worker, district community nurse, chiropodist or chiropractor) in the past 2 weeks
Number of admissions to a hospital, psychiatric hospital, nursing or convalescent home in the past 12 months (up to 5 or more admissions which is coded as 5)
Number of nights in a hospital, etc. during most recent admission: taken, where appropriate, as the mid-point of the intervals 1, 2, 3, 4, 5, 6, 7, 8-14, 15-30, 31-60, 61-79 with 80 or more admissions coded as 80. If no admission in past 12 months then equals zero
Total number of prescribed and nonprescribed medications used in past 2 days
Total number of prescribed medications used in past 2 days
Total number of nonprescribed medications used in past 2 days