Effectiveness of flipped classrooms in Chinese baccalaureate nursing education: A meta-analysis of randomized controlled trials Rujun Hu, Huiming Gao, Yansheng Ye, Zhihong Ni, Ning Jiang, Xiaolian Jiang* Author information: Rujun Hu, PhD Candicate West China Hospital/West China School of Nursing, Sichuan University, Chengdu 610041, Sichuan, China. Huiming Gao, M.S. School of Nursing, Zunyi Medical College, Zunyi 563000, Guizhou, China. Yansheng Ye, PhD Candicate West China Hospital/West China School of Nursing, Sichuan University, Chengdu 610041, Sichuan, China. Zhihong Ni, PhD Candicate West China Hospital/West China School of Nursing, Sichuan University, Chengdu 610041, Sichuan, China. Ning Jiang, PhD Candicate West China Hospital/West China School of Nursing, Sichuan University, Chengdu 610041, Sichuan, China. Xiaolian Jiang, PhD, Professor West China Hospital/West China School of Nursing, Sichuan University, Chengdu 610041, Sichuan, China. Correspondence: Xiaolian Jiang, PhD, Professor, West China Hospital/West China School of Nursing, Sichuan University, Chengdu 610041, Sichuan, China. Tel: +86 028 85422070; fax: +86 028 85422070. Email address: [email protected]；[email protected]

1 Supplementary Information: The search strategies. PubMed #1 flipp* [All Fields] #2 inverted [All Fields] #3 #1 OR #2 #4 classroom [All Fields] #5 #3 AND #4 #6 nurs* [All Fields] #7 nursing [MeSH] #8 #6 OR #7 #9 #5 AND #8

Embase 1. exp nursing/ 2. nurs*.af. 3. 1 OR 2 4. invertd.af. 5. flipp*.af. 6. 4 OR 5 7. classroom.af. 8. 6 AND 7 9. 3 AND 8

CENTRAL #1 flipp* (Word variations have been searched) #2 inverted (Word variations have been searched) #3 #1 OR #2 #4 classroom (Word variations have been searched) #5 #3 AND #4 #6 MeSH descriptor: [Nursing] explode all trees #7 nurs* (Word variations have been searched) #8 #6 OR #7 #9 #5 AND #8

2 CINAHL (EBSCO host, CINAHL Plus with Full Text) S1 (MH “education, nursing+”) S2 nurs* S3 S1 OR S2 S4 flipp* S5 inverted S6 S4 OR S5 S7 classroom S8 S6 AND S7 S9 S3 AND S8

China National Knowledge Infrastructure (Cnki, 中国知网）（Chinese） 专业检索：(SU=护理 OR AB=护理 OR KY=护理) AND (AB=翻转课堂 OR AB= 反转课堂 OR KY=反转课堂 OR KY=反转课堂)

Wanfang Database（万方数据库）（Chinese）： 专业检索：(主题:(护理) OR 题名或关键词:(护理)) AND (题名或关键词:(翻 转课堂) OR 题名或关键词:(反转课堂))

Chinese Scientific Journals Database (VIP, 维普数据库）：（Chinese） 专业检索：(题名或关键词=反转课堂 或者 题名或关键词=翻转课堂) 并且 (题 名或关键词=护理)

3