Journal of the Korean Academy of Child and Adolescent Psychiatry : eISSN 2233-9183 / pISSN 1225-729X

Table. 1.

Table. 1.

Epidemiological characteristics between high caffeine group and comparison group

High caffeine group (n=92)*Control group (n=419)t or χ2p value
Age (yr)22.74±5.6022.96±7.36-0.260.792
Sex6.560.001
 Women38 (41.3)239 (57.0)
 Men52 (56.5)180 (43.0)
Economic status0.360.840
 Low6 (6.5)30 (7.4)
 Middle40 (43.4)169 (41.5)
 High43 (46.7)208 (51.1)

Data represent mean±standard deviation, by independent t- test, or n (%), by chi-square test.

high caffeine group: high caffeine drinking addiction risk group,

p<0.01,

low: below 2000000 KRW/month, middle: 2000000-4000000 KRW/month, high: above 4000000 KRW/month

J Korean Acad Child Adolesc Psychiatry 2019;30:153-60 https://doi.org/10.5765/jkacap.190015
© 2019 J Korean Acad Child Adolesc Psychiatry