4. FITT parameters.

Author, year, intervention	Frequency, times per week – length in weeks		Intensity/ACSM intensity classification	Time/Duration/Session, minutes	Type/Mode
Aerobic vs control
Gowans 2001	3 times/wk	23 weeks	60%‐75% age‐adjusted HRmax ACSM: low to moderate	30'	Supervised water walking/running progressing to land walking/running
Kayo 2011	3 times/wk	16 weeks	40%‐50% HRR at week 1 to 60%‐70% HRR by week 16 ACSM: moderate at week 1 to vigorous by week 16	˜ 60'	Supervised indoor or outdoor walking
King 2002	3 times/wk	12 weeks	60%‐75% predicted HRmax ACSM: light to moderate	Starting duration 10 to 15' progressing to 20 to 40'	Supervised walking, aquacise (deep and shallow water), or low‐impact aerobics
Mengshoel 1992	2 times/wk	20 weeks	120‐150 beats per minute ACSM: moderate to vigorous	60'	Supervised low‐impact aerobic dance program
Nichols 1994	3 times/wk	8 weeks	60%‐70% predicted HRmax/age ACSM: light to moderate	Unclear	Supervised fast‐paced walking on an indoor track
Sanudo 2010	2 times/wk	24 weeks	60%‐65% HRmax (steady state aerobics) and 75%‐80% HRmax (interval training) ACSM: light to moderate and moderate to vigorous	45‐60’	Supervised aerobics including continuous walking with arm movements and jogging; interval training including aerobic dance and jogging
Schachter 2003 Short bout	3 to 5 times/wk	16 weeks	40%‐50% HRR at week 1, 60%‐70% HRR by week 10 ACSM: moderate at week 1, vigorous by week 10	2/d, 5' at week 1 to 15' at week 9	Home program of low‐impact aerobics to videotaped instructor and music, rhythmical movements of lower body muscles. Supervision at 0, 4, 8, and 12 weeks
Schachter 2003 Long bout	3 to 5 times/wk	16 weeks	40%‐50% HRR at week 1, 60%‐70% HRR by week 10 ACSM: moderate at week 1; vigorous by week 10	10' at week 1 to 30' at week 9	Home program of low‐impact aerobics to videotaped instructor and music, rhythmical movements of lower body muscles. Supervision at 0, 4, 8, and 12 weeks
Sencan 2004 Aerobic exercise	3 times/wk	6 weeks	Not specified	40’	Cycle ergometry. Supervision unclear
Wigers 1996	3 times/wk	14 weeks	Tempo gradually increased up to, and decreased down from, 4 periods of 60%‐70% HRmax ACSM: light to moderate	45’	Supervised movement to music and games
Aerobic vs aerobic2
Mannerkorpi 2010 AE: Nordic walking	2 times/wk	15 weeks	10’ at RPE 9‐11 2' intervals of RPE 13‐15, alternated with 2' at RPE 10 to 11 ACSM: 10’ light, 2’ intervals moderate to vigorous alternated with 2’ light.	20’	Supervised walking in parks and forests with flat areas and small hills
Mannerkorpi 2010 AE2: low‐intensity walking	1 time/wk	15 weeks	RPE 9 to 11 ACSM: light	20’	Supervised walking in parks and forests with flat areas and small hills
Ramsay 2000. AE: exercise class	1 time/wk	12 weeks	Not specified	60’	Supervised graded circuit exercises consisting of step‐ups, sitting to standing, skipping, jogging on the spot, alternate side bends, circling arms with increasing weights, plus encouragement to continue and increase exercises at home
Ramsay 2000 AE2: single class	1 session	12 weeks	Not specified	60’	Demonstration of aerobic exercises, stretching and relaxation technique, plus written advice on aerobic exercises plus stretching and relaxation
Schachter 2003: AE: short bout	3 to 5/wk	16 weeks	40%‐50% HRR at week 1, 60%‐70% HRR by week 10 ACSM: moderate at week 1, vigorous by weeks 10‐16	2/d 5' up to 15'	Home program of low‐impact aerobics to videotaped instructor and music, rhythmical movements of lower body muscles. Supervision at 0, 4, 8, and 12 weeks
Schachter 2003 AE2: long bout	3 to 5/wk	16 weeks	40%‐50% HRR at week 1, 60%‐70% HRR by week 10 ACSM: moderate at week 1, vigorous by weeks 10‐16	10' up to 30'	Home program of low‐impact aerobics to videotaped instructor and music, rhythmical movements of lower body muscles. Supervision at 0, 4, 8, and 12 weeks
Aerobic vs other (education or stress management training)
Fontaine 2007	Group session every 2 weeks AE: 5‐7 times/wk	12 weeks	Moderate intensity ACSM: moderate Review authors used appropriate references to help translate "moderate" into action	10’ and increase daily 5’/wk to at least 30’	Brisk walking and other modes of aerobic activity (+ group session/supervision)
Fontaine 2010	5‐7 times/wk	12 weeks	Moderate (breathing heavily but able to keep a conversation) + 15’ of above usual level ACSM: moderate Review authors used appropriate references to help translate "moderate" into action	60’	Walking (the most common form of LPA) and other forms (eg, garden/mowing the lawn); household activity (eg, vacuuming); and sports activity (eg, cycling, swimming, field hockey) (+ group sessions/supervision)
King 2002	3 times/wk	12 weeks	60%‐75% predicted HRmax ACSM: light to moderate	Starting duration 10 to 15' progressing to 20 to 40'	Supervised walking, aquacise (deep and shallow water), or low‐impact aerobics
Sencan 2004	3 times/wk	6 weeks	Not specified	40’	Cycle ergometry. Supervision unclear
Wigers 1996	3 times/wk	14 weeks	Tempo gradually increased up to, and decreased down from, 4 periods at 60%‐70% HRmax ACSM: light to moderate	45’	Supervised movement to music and games

ACSM: American College of Sports Medicine; AE: aerobic exercise; FITT: frequency, intensity, time, and type of training; HRmax: maximum heart rate; HRR: heart rate reserve; RPE: rating of perceived exertion