Sleep Duration and Body Mass Index in 5–9 Aged Korean Children

Article information

Chronobiol Med. 2022;4(4):177-177
Publication date (electronic) : 2022 December 29
doi : https://doi.org/10.33069/cim.2022.0024e
1Department of Pediatrics, Korea University Ansan Hospital, Korea University College of Medicine, Ansan, Korea
2Nutrii Co., Ltd. Research Institute of Food & Life Cycle, Seoul, Korea
3Department of Applied Artificial Intelligence, Hansung University, Seoul, Korea

We would like to correct the Table 2 as written below (red letters).

Sleep duration and bedtime by age

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Table 2.

Sleep duration and bedtime by age

Age group Participants n (%) Sleep duration (h) Bedtime (h)
5 years old 7,746 (49.9) 9.53±0.85 21.60±0.72
6 years old 5,348 (34.4) 9.41±0.84 21.60±0.72
7 years old 913 (5.8) 9.16±0.86 21.60±0.72
8 years old 696 (4.5) 8.99±0.95 21.80±0.72
9 years old 840 (5.5) 8.78±0.92 22.08±0.72

Values are presented as mean±standard deviation.