Age in 2010
|
72.9
|
5.6
|
73.1
|
5.6
|
<.0001
|
72.9
|
5.6
|
73.1
|
5.6
|
0.02
|
GDS-15 score change (2010 → 2013)
|
0.1
|
2.4
|
0.03
|
2.4
|
0.0005
|
0.1
|
2.5
|
−0.01
|
2.3
|
0.02
|
|
n
|
%
|
n
|
%
| |
n
|
%
|
n
|
%
| |
Working status in 2010
|
Working status
|
8095
|
30.3
|
5287
|
19.2
|
<.0001
|
1687
|
31.1
|
1058
|
19.5
|
<.0001
|
Not working
|
17,530
|
65.6
|
16,556
|
60
| |
3510
|
64.7
|
3231
|
59.6
| |
Never worked
|
1087
|
4.1
|
5730
|
20.8
| |
232
|
4.3
|
1133
|
20.9
| |
Missing
|
2156
| |
5996
| | |
437
| |
1199
| | |
Depression in 2010
|
Having depression in 2010
|
6353
|
25.5
|
6816
|
25.5
|
0.84
|
1340
|
26.4
|
1354
|
25.7
|
0.4
|
Not having depression in 2010
|
18,602
|
74.5
|
19,878
|
74.5
| |
3730
|
73.6
|
3913
|
74.3
| |
Missing
|
3913
| |
6875
| | |
796
| |
1354
| | |
Household income in 2010 (10,000 Japanese Yen)
|
< 300
|
12,129
|
45.6
|
15,051
|
54
|
<.0001
|
2429
|
44.8
|
2921
|
53.2
|
<.0001
|
300–600
|
9759
|
36.7
|
8427
|
30.2
| |
2027
|
37.4
|
1676
|
30.5
| |
< 600
|
4711
|
17.7
|
4393
|
15.8
| |
969
|
17.9
|
897
|
16.3
| |
Missing
|
2269
| |
5698
| | |
441
| |
1127
| | |
Marital status in 2010
|
Married
|
24,608
|
87.9
|
19,790
|
61.3
|
<.0001
|
5007
|
88
|
3894
|
61.1
|
<.0001
|
Non-married
|
3374
|
12.1
|
12,520
|
38.8
| |
685
|
12
|
2484
|
39
| |
Missing
|
886
| |
1259
| | |
174
| |
243
| | |
IADL in 2010
|
13
|
9401
|
36.6
|
15,590
|
53.1
|
<.0001
|
1882
|
36
|
3052
|
52.7
|
<.0001
|
10, 12
|
12,959
|
50.4
|
11,548
|
39.3
| |
2642
|
50.5
|
2313
|
40
| |
≤ 9
|
3351
|
13
|
2250
|
7.7
| |
710
|
13.6
|
423
|
7.3
| |
Missing
|
3157
| |
4181
| | |
632
| |
833
| | |
The number of friends subjects met in the past 1 month in 2010
|
0
|
2041
|
7.6
|
1065
|
3.5
|
<.0001
|
419
|
7.7
|
198
|
3.3
|
<.0001
|
1, 5
|
11,426
|
42.5
|
12,589
|
40.8
| |
2302
|
42.3
|
2495
|
41.1
| |
6-
|
13,396
|
49.9
|
17,236
|
55.8
| |
2728
|
50.1
|
3385
|
55.7
| |
Missing
|
2005
| |
2679
| | |
417
| |
543
| | |
Colleague as a friend who subjects met frequently in 2010
|
Having colleague as a friend
|
11,439
|
42.4
|
8027
|
25.4
|
<.0001
|
2365
|
43.2
|
1522
|
24.4
|
<.0001
|
Not having colleague as a friend
|
15,563
|
57.6
|
23,625
|
74.6
| |
3116
|
56.9
|
4713
|
75.6
| |
Missing
|
1866
| |
1917
| | |
385
| |
386
| | |
Emotional social support from friends in 2010
|
Having emotional social support
|
7233
|
26.6
|
15,156
|
47.9
|
<.0001
|
1425
|
25.7
|
2974
|
47.9
|
<.0001
|
Not having emotional social support
|
19,950
|
73.4
|
16,482
|
52.1
| |
4112
|
74.3
|
3234
|
52.1
| |
Missing
|
1685
| |
1931
| | |
329
| |
413
| | |
Instrumental social support from friends in 2010
|
Having instrumental social support
|
632
|
2.3
|
2144
|
6.8
|
<.0001
|
114
|
2.1
|
400
|
6.4
|
<.0001
|
Not having instrumental social support
|
26,793
|
97.7
|
29,539
|
93.2
| |
5454
|
97.8
|
5844
|
93.6
| |
Missing
|
1444
| |
1886
| | |
298
| |
377
| | |
Occupational class
|
Higher
|
9265
|
36.2
|
3031
|
12.6
|
<.0001
|
1879
|
36.5
|
605
|
12.9
|
<.0001
|
Lower
|
16,325
|
63.8
|
20,940
|
87.4
| |
3268
|
63.5
|
4083
|
87.1
| |
missing
|
3153
| |
6394
| | |
698
| |
1326
| | |
Social participation with roles in 2013
|
Participated in social activities with roles
|
6536
|
26.3
|
7361
|
27.8
|
0.001
|
1292
|
25.6
|
1461
|
28
|
0.005
|
Not participated in social activities with roles
|
18,346
|
73.7
|
19,132
|
72.2
| |
3764
|
74.5
|
3754
|
72
| |
missing
|
3986
| |
7076
| | |
810
| |
1406
| | |
Recreational social participation in 2013
|
Participated in recreational social activities
|
11,714
|
46.5
|
16,067
|
58
|
<.0001
|
2367
|
46.3
|
3167
|
57.9
|
<.0001
|
Not participated in recreational social activities
|
13,458
|
53.5
|
11,657
|
42.1
| |
2751
|
53.8
|
2304
|
42.1
| |
missing
|
3696
| |
5845
| | |
748
| |
1150
| | |
A sense of meaning in life in 2013
|
Having a sense of meaning in life in 2013
| | | | | |
4666
|
86.2
|
5036
|
84.2
|
0.003
|
Not having a sense of meaning in life in 2013
| | | | |
748
|
13.8
|
945
|
15.8
| |
missing
| | | | | |
452
| |
640
| | |