Table 1. Quality assessment questions for risk of bias based on study limitations in observational studies.
Design/Methods |
---|
Sample |
Size justified? |
Inclusion criteria clear? |
Exclusion criteria clear? |
Measurement |
Conditions clearly described? |
Blind assessment? |
Timing/menstrual phases clearly defined? |
Menstrual phases verified? |
Control of confounders |
Caffeine? |
Smoking? |
Medications? |
Environmental temperature? |
Exercise? |
Other? |