Question

Identify types of variable Numer (Continuos discrete) Categoria nominal SEX 1 if female, o if male AGE 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) INCOME Annual income in Australian dollars divided by 1000 measured as mid-point of coded ranges Nil, 200, 200-1000, 1001, 2001., 3001., 4001, 5001-, 6001., 7001- 8001-10000 10001-12000, 12001-14000, with 14001-treated as 15000 Health insurance LEVYPLUS 1 if covered by private health insurance fund for private patient in public hospital (with doctor of choice), otherwise FREEPOOR 1 If covered by government because low income, recent immigrant, unemployed, otherwise FREEREPA 1 if covered free by government because of old age or disability pension, or because invalid veteran or family of deceased veteran, otherwise (Omitted category LEVY is lif covered by Medibank health insurance) Health status ILLNESS Number of illnesses in past 2 weeks with 5 or more coded as 5 ACTDAYS Number of days of reduced activity in past two weeks due to illness or injury HSCORE General health questionnaire score using Goldberg's method. High score indicates bad health CHCOND1 1 If chronic condition(s) but not limited in activity, otherwise CHCONDZ 1 if chronic condition(s) and limited in activity, otherwise Health Utilization Variables DVISITSNumber of consultations with a doctor or specialist in the past 2 weeks NONDOCCO: Number of consultations with non-doctor health professionals (chemist, optidan, physiotherapist, social worker, district community nurse, chiropodist or chiropractor) in the past 2 weeks HOSPADMI: 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 51 HOSPDAYS: 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. MEDICINE : Total number of prescribed and nonprescribed medications used in past 2 days PRESCRIB: Total number of prescribed medications used in past 2 days NONPRESC. Total number of nonprescribed medications used in past 2 days SEXAGE INCOME LEVYPLUS FREEPOOR FREEREPALNESS ACTDAYS HSCORE CHCONDI CHCOND VISITS NONDOCCO HOSPADMI HOSPDAYS MEDICINE PRESCRB NONPRESC 1 1 0.19 0.19 0. 55 0. 45 0 0 00 1000 0 0 1 1 1 0.19 0.15 019 0450 019 0.35 0.19 0.55 019 0.15 0

Answer 1

A numerical variable is a variable where has a numerical meaning. the measurement or number A categorical variable is a category or type. A categorical variable can be expressed as a number for the purpose of statistics, but these numbers do not have the same meaning as a numerical value. » Numerical variables can be classified into two main types :- Discrete variable: A quantitative character that can take certain isolated values only in its range of Variation 2) Continuous variable: A variable that can assume any value within its range of variation. Categorical variables can be classified into two types: - is ordinal: When there is a clear ordering of the forms or categories of the attribute. 2) Nominal: Categories have no ordering or direction SEX - Categorical (Nominal) AGE - Numeric (continuous) INCOME - Numeric (Continuous) LEVYPLUS - Categorical (Nominal) FREEPOOR - Categorical (Nominal) FREEREPA - Categorical (Nominal) IUNESS - Numeric (Discrete) ACTDAYS - Numeric (Discrete) HSCORE - Numeric (Discrete) CHCONDI - categorical (Nominal) CHLOND - Categorical (Nominal)

DVISITS - Numeric (Discrete) NON DOCCO - Numeric ( Discrete) HOS PADMI - Numeric (Discrete) HOSP DAYS - Numeric (Discrete) MEDICINE - Numeric (Discrete) PRESCRIB - Numeric (Discrete) NONPRESC - Numeric (Discrete