AnxietySleep (version 0.0.1)

anxiety: Data from the anxiety and confinement study.

Description

This dataset contains the variables used in the anxiety and confinement study carried out by Alvarado-Aravena et al. 2022.

Usage

anxiety

Format

A data frame with 617 rows y 7 variables:

• id: Factor. An identification code for each subject.

• sex: Factor w/ 2 levels "Female", "Male". Sex of participants.

• zone: Factor w/ 2 levels "CZ", "PZ". Zone in which the subject were by the time he was answering the questionnaire, either CZ (Confinement Zone) or PZ (Partial confinement Zone).

• beck_global: Integer. Global score of Beck Anxiety Inventory.

• pits_global: Integer. Global score of Pittsburgh Sleep Quality Index.

• age: Integer. Age of the subjects in years.

• cat_age: Factor w/ 4 levels "18-25", "26-40", "41-50", ">50". Age of the subjects in years.

Examples

# Mean age grouped by sex and zone using `data.table` syntax
anxiety[,  # No filtering (i)
        list(mean_age = mean(age)), # Action to do (j)
        list(sex, zone)] # Grouping vars (by)

# Mean PSQI score grouped by sex and zone, for those with
# an age greater than 18 AND a Beck score greater than 10.
anxiety[age > 18 & beck_global > 10,
        list(mean_psqi = mean(pits_global)),
        list(sex, zone)]