A paucity of validated indicators (n = 12), most of which assessed quality of life, only permitted a qualitative data synthesis.
A limited number of prospective observational studies have addressed NNS and weight, most of which assessed NNS intake by FFQ.
Perceived behavioural control was assessed from responses to five items, two of which assessed self-efficacy while the other three assessed perceived control.
We assessed osmolarity equations in five data sets, each of which assessed directly measured osmolality, sodium, potassium, glucose and urea from a single blood draw for each participant.
Application of inclusion criteria to data points resulted in the exclusion of 261 data points, the majority of which assessed children aged <18 months.
Table 1 provides an overview on design aspects of the four large randomised controlled trials, all of which assessed the impact of screening by flexible sigmoidoscopy on colorectal cancer incidence and mortality.
The survey included 5 questions, 1 of which assessed the nurse's attitudes regarding if their patients should receive Vitamin D supplementation, and the other 4 assessed their knowledge regarding Vitamin D physiology and benefits.
The questionnaire included nine multiple choice questions, five of which assessed knowledge regarding general antenatal health, and four which pertained to clinic procedures (see Table 2, full questionnaire in Additional file 4).
One, the only other study we are aware of which assessed the relationship between this SNP in a cohort of mostly EAC patients receiving platin-based RCT and pCR (co-investigator X.W).
The WCST and the Stroop Color-Word test, both of which assess cognitive flexibility, have been used only in the Michigan study (Jacobson and Jacobson 2003).
