Table 1

Basic characteristics for participants of full-time jobs (n=345)

All participantsOccupational activity typeGroup differences*
Sitting a Standing b Walkingc Physical labourd
N345239 (69.3)47 (13.6)48 (13.9)11 (3.2)
Age, mean (SD)50.3 (6.9)50.1 (7.0)50.7 (6.8)50.5 (6.7)52.6 (6.7)
Women, n (%)156 (45.2)99 (41.4)25 (53.2)29 (60.4)3 (27.3)a, d<c
Body mass index, kg/m2†, mean (SD)22.8 (3.2)23.0 (3.4)21.9 (2.4)22.3 (2.6)25.5 (4.2)b, c<d
Residence area, n (%)
 Matsuyama city170 (49.3)98 (41.0)37 (78.7)26 (54.2)9 (81.8)a<b,d
b<c
 Koto Ward175 (50.7)141 (59.0)10 (21.3)22 (45.8)2 (18.2)
Education†, n (%)
 High school or less109 (31.6)59 (24.8)23 (48.9)21 (43.8)6 (54.5)a<b, c, d
 Greater than high school235 (68.1)179 (75.2)24 (51.1)27 (56.3)5 (45.5)
Marital status‡, n (%)
 Single85 (24.6)60 (25.4)11 (23.4)12 (25.0)2 (18.2)
 Married257 (74.5)176 (74.6)36 (76.6)36 (75.0)9 (81.8)
Occupation§, n (%)
 Professional and engineering71 (20.6)39 (16.5)13 (28.3)18 (37.5)1 (10.0)
 Administrative and managerial59 (17.1)56 (23.6)0 (0)2 (4.2)1 (10.0)
 Clerical114 (33.0)111 (46.8)2 (4.3)1 (2.1)0 (0.0)
 Sales17 (4.9)7 (3.0)4 (8.7)6 (12.5)0 (0.0)
 Service34 (9.9)9 (3.8)17 (37)8 (16.7)0 (0.0)
 Security1 (0.3)0 (0.0)1 (2.2)0 (0.0)0 (0.0)
 Agricultural, forestry and fishery4 (1.2)0 (0.0)1 (2.2)3 (6.3)0 (0.0)
 Transport and machine operation9 (2.6)1 (0.4)0 (0.0)4 (8.3)4 (40.0)
 Manufacturing process14 (4.1)4 (1.7)5 (10.9)1 (2.1)4 (40.0)
 Others17 (4.9)10 (4.2)2 (4.3)5 (10.4)0 (0.0)
  • *Significant differences between four occupational activity types with one-way analysis of variance for continuous variables; Χ2 test for category variables.

  • †One missing in sitting group.

  • ‡Three missing in sitting group.

  • §Two missing in sitting group, one missing in both standing group and physical labour group.

  • a= sitting; b=standing, c=walking; d=physical labour.