From: Occupational social class trajectories in physical functioning among employed women from midlife to retirement
Phases 1–3
Social class
%
N
Upper class
46
3197
Lower class
54
3779
All
100
6976
Phase 1
Phase 2
Phase 3
Employment status
Employed
80
58
4643
Mandatorily retired
–
16
35
1934
Disability-retired
4
7
399