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Table 1 Stratification of a nationally representative sample of college students in South Korea

From: Self-reported campus alcohol policy and college alcohol consumption: a multilevel analysis of 4592 Korean students from 82 colleges

 4-year Colleges2-year CollegesTotal
Population ratio (%)Students(colleges)Population ratio (%)Students(colleges)Students(colleges)
Seoul12.6630 (10)4.2210 (3)840 (13)
Incheon/Gyeonggi9.4471 (8)8.1403 (7)874 (15)
Gangwon5.6280 (5)2.5124 (2)404 (7)
Daejeon/Chungjeong11552 (9)4.7233 (4)785 (13)
Gwangju/Jeolla8.5426 (7)4.9245 (4)671 (11)
Daegu/Gyeongbuk8.3417 (7)5.4270 (4)687 (11)
Busan/Ulsan/Gyeongnam9.8488 (8)5251 (4)739 (12)
Total65.33264 (54)34.71736 (28)5000 (82)