Table 3.

Characteristics of included trials (N = 3).

First author (year)	Country	Design	Participants	Menopausal status (at time of recruitment)	Comparisons	Study quality rating
Simkin-Silverman 2003 [18]	USA	RCT	535 women (intervention = 260 control = 275)	Less than 3 months amenorrhea in past 6 months	Two phased dietary and behavioural program versus control for 54 months	6/6 criteria met (low risk of bias)
Ogwumike 2011 [19]	Nigeria	RCT	24 women completed full study (intervention = 13 control = 11)	Irregular menstruation that has not ceased entirely, in the past year	Circuit training program, 3 times/week versus control for 12 weeks	3/6 criteria met (unclear risk of bias)
Hagner 2009 [20]	Poland	Pre/Post	53 women	Final menstrual period: premenopausal <60 days perimenopausal ≥60 days, ≤365 days, and postmenopausal >365 days	Nordic walking program (moderate intensity exercise) for 12 weeks	9/12 criteria met (lower risk of bias for cohort study)

RCT: randomized controlled trial.