Using the Unified Theory of Acceptance and Use of Technology (UTAUT) and e-health literacy(e-HL) to investigate the tobacco control intentions and behaviors of non-smoking college students in China: a cross-sectional investigation

Table 2 Proposed stratified sampling based on educational level

Strata	Educational Level	Eligible Universities	Selected Universities	Names of Universities	Surveys per Universities	Surveys per stratum
Stratum 1	"Double first-class" universities ^a	147	4	Peking University Shandong University Jilin University Tianjin University	20–30	80–120
Stratum 2	first batch of universities ^b	458^d	4	Shanxi Medical University Yantai University University of Jinan Shanxi University	60–80	240–320
Stratum 3	second batch universities ^c	431	4	Guangxi University of Chinese Medicine Ludong University Yunnan University of Chinese Medicine Xi’an International University	60–80	240–320

^a “Double first-class” universities refer to world-class universities and first-class discipline construction universities
^bFirst batch of universities refer to the first batch of undergraduates admitted to the national unified examination for admission to ordinary colleges and universities
^cSecond batch universities refer to the second batch of undergraduates admitted to the national unified examination for admission to ordinary colleges and universities
^dNot including the “double first-class” universities

ISSN: 1471-2458