Does going to university in a different country affect your mental health? An international Japanese university surveyed its students in 2018 and published a study the following year, approved by several ethical and regulatory boards.
The study found that international students are at higher risk of mental health difficulties than the general population, and that social connection (belonging to a social group) and acculturation stress (stress associated with adapting to a new culture) are predictive factors for depression.
Explore the students data using PostgreSQL to see if you would reach a similar conclusion for international students and check if length of stay is a contributing factor.
Here is a description of the column data that may be useful.
| Field Name | Description |
|---|---|
inter_dom | Types of students (international or domestic) |
japanese_cate | Japanese language proficiency |
english_cate | English language proficiency |
academic | Current academic level (undergraduate or graduate) |
age | Current age of student |
stay | Current length of stay in years |
todep | Total score of depression (PHQ-9 test) |
tosc | Total score of social connectedness (SCS test) |
toas | Total score of acculturative stress (ASISS test) |
-- Run this code to view the data in students
SELECT *
FROM students;-- Start coding here...
SELECT
stay,
COUNT(*) AS count_int,
ROUND(AVG(todep), 2) AS average_phq,
ROUND(AVG(tosc), 2) AS average_scs,
ROUND(AVG(toas), 2) AS average_as
FROM students
WHERE inter_dom = 'Inter'
GROUP BY stay
ORDER BY stay DESC
LIMIT 9;