Figure 1.

Summary of the correlates of menstrual cycle function.

Notes: ↑↑ The most extreme exposure category is associated with a >30% increased prevalence of the outcome relative to the reference group; ↑ The most extreme exposure category is associated with a 10%–30% increased prevalence of the outcome compared with the reference group; - the most extreme exposure category is not associated with an increase or decrease in the prevalence of the outcome by more than 10%; ↓ The most extreme exposure category is associated with a 10%–23% decreased prevalence of the outcome compared with the reference group; ↓↓ The most extreme exposure category is associated with a >23% decreased prevalence of the outcome relative to the reference group.

Abbreviations: BMI, body mass index; METs, metabolic equivalents.