下表為比較結婚者與單身者／鰥寡者其「身體功能（physical functioning）」等8個變項的關係。若臨界值（critical value）設為0.01，其中那些變項，在結婚者與單身者／鰥寡者兩組間達到顯著的差異？ Statistical significances between groups were evaluated by chi-square test.
Arole limitations-physical、mental health、role limitations-emotional、vitality、general health
Bphysical functioning、bodily pain
Cmental health、role limitations-emotional
D只有vitality正確答案
答案與詳解
