Additional file 1 of Maternal dietary components in the development of gestational diabetes mellitus: a systematic review of observational studies to timely promotion of health

Additional file 1. The Newcastle-Ottawa quality assessment scale (NOS). Supplementary Table 6. Quality assessment of case-control studies on maternal dietary components and gestational diabetes. Supplementary Table 7. Quality assessment of cohort studies on maternal dietary components and gestational diabetes.附加文件1. 纽卡斯尔-渥太华质量评估量表（Newcastle-Ottawa Quality Assessment Scale, NOS）。补充表6. 母亲膳食成分与妊娠糖尿病相关病例对照研究的质量评估。补充表7. 母亲膳食成分与妊娠糖尿病相关队列研究的质量评估。