Educationb c
|
High school or less
|
–
|
–
|
Ref
|
Ref
|
Vocational school or short college
|
–
|
–
|
1.10 (0.88 to 1.38)
|
0.86 (0.68 to 1.08)
|
Undergraduate studies
|
–
|
–
|
1.60 (1.26 to 2.02)
|
0.69 (0.57 to 0.84)
|
Graduate studies
|
–
|
–
|
2.40 (1.39 to 4.14)
|
0.77 (0.53 to 1.11)
|
p
| | |
< 0.001
|
0.001
|
Occupational Status
|
Regular employee
|
Ref
|
Ref
|
Ref
|
Ref
|
Part-time or temporary worker
|
1.19 (0.90 to 1.57)
|
1.55 (1.09 to 2.20)
|
0.86 (0.69 to 1.07)
|
3.82 (3.04 to 4.80)
|
Business owner or family business
|
0.85 (0.30 to 2.41)
|
1.17 (0.52 to 2.63)
|
0.61 (0.36 to 1.05)
|
0.94 (0.64 to 1.36)
|
Unemployed
|
0.68 (0.47 to 0.99)
|
3.21 (2.07 to 4.99)
|
0.36 (0.27 to 0.47)
|
7.87 (6.06 to 10.23)
|
Student
|
1.58 (1.22 to 2.05)
|
1.90 (1.49 to 2.42)
|
1.19 (0.43 to 3.29)
|
4.76 (2.51 to 9.03)
|
p
|
0.014
|
< 0.001
|
< 0.001
|
< 0.001
|
Annual Income (in JPY 10,000s)
|
0–99
|
Ref
|
Ref
|
Ref
|
Ref
|
100–299
|
0.78 (0.62 to 0.98)
|
0.56 (0.44 to 0.72)
|
2.19 (1.76 to 2.72)
|
0.49 (0.39 to 0.60)
|
300–499d
|
0.92 (0.57 to 1.50)
|
0.35 (0.23 to 0.51)
|
1.86 (1.42 to 2.43)
|
0.20 (0.16 to 0.25)
|
500–799e
|
–
|
–
|
1.95 (1.05 to 3.59)
|
0.09 (0.06 to 0.13)
|
≥ 800
|
–
|
–
|
–
|
0.05 (0.01 to 0.19)
|
|
0.114
|
< 0.001
|
< 0.001
|
< 0.001
|
Region of Residence
|
Kanto
|
Ref
|
Ref
|
Ref
|
Ref
|
Chubu
|
0.70 (0.54 to 0.91)
|
0.91 (0.69 to 1.20)
|
1.00 (0.77 to 1.29)
|
0.84 (0.67 to 1.07)
|
Kinki
|
0.90 (0.67 to 1.21)
|
0.63 (0.47 to 0.87)
|
1.41 (1.08 to 1.83)
|
1.15 (0.90 to 1.47)
|
Kyushu/Okinawa
|
0.68 (0.50 to 0.94)
|
0.60 (0.43 to 0.82)
|
0.69 (0.49 to 0.98)
|
0.61 (0.45 to 0.83)
|
Chugoku/Shikoku
|
0.99 (0.68 to 1.43)
|
0.71 (0.49 to 1.05)
|
0.91 (0.64 to 1.29)
|
0.75 (0.55 to 1.04)
|
Tohoku
|
0.68 (0.46 to 0.99)
|
0.69 (0.46 to 1.05)
|
0.86 (0.58 to 1.27)
|
1.00 (0.73 to 1.38)
|
Hokkaido
|
0.93 (0.56 to 1.55)
|
0.63 (0.36 to 1.11)
|
0.67 (0.37 to 1.21)
|
0.37 (0.19 to 0.71)
|
p
|
0.209
|
0.001
|
0.091
|
0.011
|
Population Density and Size of Residence
|
Non-densely inhabited area
|
Ref
|
Ref
|
Ref
|
Ref
|
< 200,000
|
1.05 (0.81 to 1.35)
|
1.04 (0.79 to 1.37)
|
0.97 (0.75 to 1.24)
|
0.89 (0.71 to 1.11)
|
200,000 to < 1,000,000
|
0.77 (0.60 to 1.00)
|
0.97 (0.74 to 1.25)
|
0.95 (0.75 to 1.20)
|
1.03 (0.83 to 1.28)
|
≥ 1,000,000
|
0.94 (0.73 to 1.22)
|
1.01 (0.77 to 1.33)
|
0.81 (0.62 to 1.06)
|
0.74 (0.58 to 0.95)
|
p
|
0.257
|
0.928
|
0.144
|
0.093
|