Table 4. Trends and consistency of key findings across studies for events, when results were reported in ≥ 4 studies.

Life event/transition	Increase	Decrease	No change
Education-related events/transitions
Kindergarten to primary school	1 [42]	5 [41–45]	1 [41]
Primary to secondary school	4 [46–48, 50]	10 [47, 48, 50–57]	4 [47–49, 51]
High school to university/college		14 [58, 60–69, 73–75]	2 [59, 65]
Family-related events/transitions
Pregnancy, Parenthood1	5 [79, 136, 142, 144, 145]	20 [40, 59, 70, 71, 76, 78, 109, 124, 133, 134, 136–145]	5 [124, 135, 139, 142, 144]
Employment-related events/transitions
Entry into the labor market	1 [72]	7 [40, 58, 71, 72, 76, 78, 81]	4 [59, 67, 77, 79]
Changing work conditions	2 [40, 72]	2 [71, 72]
Quitting, stopping, losing job	2 [40, 72]		2 [79, 83]
Retirement	25 [40, 84, 86–102, 104–109]	11 [83–86, 93, 98, 103–107]	8 [85–87, 92, 95, 96, 98, 103]
Relationship-related events/transitions
Starting a new relationship	2 [40, 72]	3 [76, 122, 123]	2 [72, 122]
Starting cohabitation		3 [70, 76, 78]	1 [124]
Marriage	1 [125]	9 [40, 59, 70–72, 76–78, 109]	5 [72, 77, 83, 124, 126]
Divorce	2 [126, 127]	2 [40, 122]	5 [71, 83, 122, 125, 128]
Widowhood	3 [40, 129, 130]		4 [77, 95, 127, 128]
Health-related events/transitions
Diagnosis of illness2	7 [77, 111–114, 117, 118]	7 [40, 77, 109, 110, 109, 114, 117]	2 [72, 114]
Residence-related events/transitions
Moving	1 [79]	1 [109]	2 [72, 83]

¹Pregnancy and parenthood were subsumed as one event as several studies assessed PA changes across pregnancy including a postpartum period

²Diagnosis of illness also includes the diagnosis of a chronic condition