Title: Positive association of nap duration with risk of non-alcoholic fatty liver disease in an
occupational population in Guangdong Province, China: A cross-sectional study
Version: 1 Date: 17 Jan 2022
Reviewer's report:
The authors showed the positive association of nap duration with risk of non-alcoholic fatty liver
disease in an occupational population in Guangdong Province.
Their study showed that the participants with BMI < 18.5 had a higher OR than that of  BMI >
24. In general, obesity is well known as a risk factor of NAFLD.
The authors should the explain this result in the Discussion section.
About 85% participants have daytime napping duration > 30min. is it common in Chinese? For
example,  is nap time set in each company?
Dose the authors have the data about eating speed, lack of breakfast, and taking snack?
If they have these data, please add the data to multiple analyses.
Title: Positive association of nap duration with risk of non-alcoholic fatty liver disease in an
occupational population in Guangdong Province, China: A cross-sectional study
Version: 1 Date: 17 Jan 2022
Reviewer's report:
The authors showed the positive association of nap duration with risk of non-alcoholic fatty liver
disease in an occupational population in Guangdong Province.
Their study showed that the participants with BMI < 18.5 had a higher OR than that of  BMI >
24. In general, obesity is well known as a risk factor of NAFLD.
The authors should the explain this result in the Discussion section.
About 85% participants have daytime napping duration > 30min. is it common in Chinese? For
example,  is nap time set in each company?
Dose the authors have the data about eating speed, lack of breakfast, and taking snack?
If they have these data, please add the data to multiple analyses.
Please review this paper.
user
Title: Positive association of nap duration with risk of non-alcoholic fatty liver disease in an
occupational population in Guangdong Province, China: A cross-sectional study
Version: 1 Date: 17 Jan 2022
Reviewer's report:
The authors showed the positive association of nap duration with risk of non-alcoholic fatty liver
disease in an occupational population in Guangdong Province.
Their study showed that the participants with BMI < 18.5 had a higher OR than that of  BMI >
24. In general, obesity is well known as a risk factor of NAFLD.
The authors should the explain this result in the Discussion section.
About 85% participants have daytime napping duration > 30min. is it common in Chinese? For
example,  is nap time set in each company?
Dose the authors have the data about eating speed, lack of breakfast, and taking snack?
If they have these data, please add the data to multiple analyses.
assistant