Quick Answer: What Kind Of Variable Is Smoking?

How do you classify a variable?

Classifying variables can be somewhat contentious.

Standard statistical textbooks will state that variables can be broadly classified as categorical or continuous.

Categorical variables can be further categorised into nominal (e.g.

ethnic group), ordinal (e.g.

tumour staging) and dichotomous (e.g.


What type of variable is smoking?

Race, Gender, and Smoking are categorical variables.

Is census data ordinal?

Ordinal data measured by the Census Bureau include how well individuals speak English (very well, well, not well, not at all), and level of educational attainment (high school graduate, some college no degree, etc.). Social surveys of preferences and perceptions are also usually scaled ordinally.

Is smoker a nominal variable?

Although this particular smoking variable is a bi- nary category – you are either a smoker or you are not – not all nominal variables are binary. Ethnicity, marital status, nationality, geographical location, and occupation are all commonly used forms of nominal data.

What are the 5 types of variables?

There are different types of variables and having their influence differently in a study viz. Independent & dependent variables, Active and attribute variables, Continuous, discrete and categorical variable, Extraneous variables and Demographic variables.

What are the 3 types of variables?

A variable is any factor, trait, or condition that can exist in differing amounts or types. An experiment usually has three kinds of variables: independent, dependent, and controlled.

Is smoking status a demographic variable?

There were significant differences and large effect sizes for all 5 smoking behavior variables. Demographic variables are static variables, whereas the smoking variables are more dynamic, that is, open to change. … Smoking variables and point prevalence abstinence rates for 12 and 24 months.

Is smoking categorical or quantitative?

In our example of medical records, smoking is a categorical variable, with two groups, since each participant can be categorized only as either a nonsmoker or a smoker. Gender and race are the two other categorical variables in our medical records example.

What type of variable is age?

Mondal[1] suggests that age can be viewed as a discrete variable because it is commonly expressed as an integer in units of years with no decimal to indicate days and presumably, hours, minutes, and seconds.

What level of measurement is number of cigarettes smoked?

For example, if you collect data on the number of cigarettes smoked per day, discrete data, you can convert these data to ordinal data: < ½ a pack; ½ a pack to 1 pack; >1 pack.

How do you know if a variable is ordinal?

An ordinal variable is similar to a categorical variable. The difference between the two is that there is a clear ordering of the categories. For example, suppose you have a variable, economic status, with three categories (low, medium and high).

What type of variable is income?

For example, income is a variable that can be recorded on an ordinal or a ratio scale: At an ordinal level, you could create 5 income groupings and code the incomes that fall within them from 1–5. At a ratio level, you would record exact numbers for income.

Is smoking nominal or ordinal?

Smoking is a categorical ordinal variable.

What type of variable is number of cigarettes smoked per day?

The number of cigarettes smoked per day by each student was considered as the outcome variable. This study used the response to this question to identify the correlates of smoking intensity among students of Hamadan University of Medical Sciences.

What type of variable is birth month?

1 Expert Answer. Since there are exactly 12 possible birth months, it is discrete, and can be categorical. It is qualitative, as it describes an attribute or quality of the subject, namely the birth month.

What type of variable is gender?

There are two types of categorical variable, nominal and ordinal. A nominal variable has no intrinsic ordering to its categories. For example, gender is a categorical variable having two categories (male and female) with no intrinsic ordering to the categories. An ordinal variable has a clear ordering.

What type of variable is price?

Quantitative data is data where the values can change continuously, and you cannot count the number of different values. Examples include weight, price, profits, counts, etc. Basically, anything you can measure or count is quantitative.

What type of variable is smoking status measured as smoker nonsmoker?

The classification (smoker/nonsmoker) was used as the dependent variable for analyses to determine differences on the instrument scores and scales and other variables of interest.

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