Males, n = 25630 | Females, n = 28758 | |||||||
---|---|---|---|---|---|---|---|---|
n | Denture/bridge users (%) | Univariate PR | n | Denture/bridge users (%) | Univariate PR | |||
Characteristic | PR | 95% CI | PR | 95% CI | ||||
Socio-demographics | ||||||||
Age group (years) | ||||||||
65 - 69 | 6699 | 69.7 | 1.00 | (reference) | 6923 | 68.5 | 1.00 | (reference) |
70 - 74 | 7081 | 68.1 | 0.98 | (0.94-1.02) | 7916 | 66.2 | 0.97 | (0.93-1.01) |
75 - 79 | 6118 | 66.5 | 0.95 | (0.92-0.99)a | 6880 | 67.5 | 0.99 | (0.95-1.03) |
80 - 84 | 3899 | 68.2 | 0.98 | (0.93-1.03) | 4443 | 68.2 | 1.00 | (0.95-1.04) |
≥ 85 | 1833 | 67.9 | 0.97 | (0.92-1.04) | 2596 | 69.3 | 1.01 | (0.96-1.07) |
Marital status | ||||||||
Married | 21449 | 68.7 | 1.00 | (reference) | 15547 | 67.3 | 1.00 | (reference) |
Separated/divorced | 3216 | 65.9 | 0.96 | (0.92-1.00) | 11868 | 68.6 | 1.02 | (0.99-1.05) |
Never married | 441 | 60.5 | 0.88 | (0.78-0.99)a | 604 | 66.2 | 0.98 | (0.89-1.09) |
Unknown/missing | 524 | 63.9 | 0.93 | (0.83-1.04) | 739 | 59.8 | 0.89 | (0.81-0.98)a |
Educational attainment (years) | ||||||||
< 6 | 453 | 62.7 | 1.00 | (reference) | 1028 | 66.4 | 1.00 | (reference) |
6 - 9 | 11161 | 62.6 | 1.00 | (0.89-1.12) | 13582 | 65.2 | 0.98 | (0.91-1.06) |
10 - 12 | 7877 | 70.7 | 1.13 | (1.00-1.27)a | 9512 | 70.2 | 1.06 | (0.98-1.14) |
≥ 13 | 5048 | 77.4 | 1.23 | (1.10-1.39)b | 3171 | 70.7 | 1.06 | (0.98-1.16) |
Missing | 1091 | 66.0 | 1.05 | (0.92-1.21) | 1465 | 67.8 | 1.02 | (0.93-1.12) |
Equivalent income (10000 yen) | ||||||||
< 50 | 739 | 60.1 | 1.00 | (reference) | 1625 | 60.9 | 1.00 | (reference) |
50 - 99 | 2192 | 59.6 | 0.99 | (0.89-1.10) | 3274 | 65.0 | 1.07 | (0.99-1.15) |
100 - 149 | 3214 | 62.2 | 1.04 | (0.93-1.15) | 3151 | 66.4 | 1.09 | (1.01-1.18)a |
150 - 200 | 5245 | 68.5 | 1.14 | (1.03-1.26)b | 4294 | 68.2 | 1.12 | (1.04-1.20)b |
200 - 299 | 5452 | 71.6 | 1.19 | (1.08-1.32)c | 4768 | 71.5 | 1.18 | (1.09-1.26)c |
300 - 399 | 3275 | 75.6 | 1.26 | (1.14-1.39)c | 2760 | 74.5 | 1.22 | (1.13-1.32)c |
≥ 400 | 2266 | 75.2 | 1.25 | (1.13-1.39)c | 2226 | 73.1 | 1.20 | (1.11-1.30)c |
Missing | 3247 | 62.8 | 1.05 | (0.94-1.16) | 6660 | 63.4 | 1.04 | (0.97-1.12) |
Health status | ||||||||
Number of teeth | ||||||||
10 - 19 | 10407 | 64.9 | 1.00 | (reference) | 11129 | 62.1 | 1.00 | (reference) |
1 - 9 | 9786 | 73.5 | 1.13 | (1.09-1.17)c | 11565 | 73.7 | 1.19 | (1.15-1.22)c |
0 | 5437 | 64.5 | 0.99 | (0.95-1.04) | 6064 | 66.4 | 1.07 | (1.03-1.11)c |
Present illness | ||||||||
No | 6192 | 65.1 | 1.00 | (reference) | 6214 | 65.0 | 1.00 | (reference) |
Yes | 17602 | 69.2 | 1.06 | (1.03-1.10)c | 20081 | 68.2 | 1.05 | (1.01-1.09)b |
Missing | 1836 | 68.4 | 1.05 | (0.99-1.12) | 2463 | 69.7 | 1.07 | (1.01-1.13)a |
Social relationship | ||||||||
General trust | ||||||||
No | 1075 | 64.6 | 1.00 | (reference) | 1273 | 64.8 | 1.00 | (reference) |
Yes | 23326 | 68.3 | 1.06 | (0.98-1.14) | 26111 | 67.8 | 1.05 | (0.98-1.12) |
Missing | 1229 | 68.1 | 1.05 | (0.95-1.17) | 1374 | 66.8 | 1.03 | (0.94-1.13) |
Norms of reciprocity | ||||||||
No | 2237 | 66.5 | 1.00 | (reference) | 2517 | 66.9 | 1.00 | (reference) |
Yes | 22089 | 68.4 | 1.03 | (0.98-1.08) | 24635 | 67.8 | 1.01 | (0.96-1.07) |
Missing | 1304 | 66.9 | 1.01 | (0.92-1.09) | 1606 | 67.1 | 1.00 | (0.93-1.08) |
Attachment to place | ||||||||
No | 1219 | 67.8 | 1.00 | (reference) | 1285 | 65.8 | 1.00 | (reference) |
Yes | 23754 | 68.2 | 1.01 | (0.94-1.08) | 26631 | 67.7 | 1.03 | (0.96-1.10) |
Missing | 657 | 67.0 | 0.99 | (0.88-1.11) | 842 | 68.1 | 1.03 | (0.93-1.15) |
Emotional social support (received) | ||||||||
No | 1211 | 64.9 | 1.00 | (reference) | 727 | 64.1 | 1.00 | (reference) |
Yes | 11573 | 66.7 | 1.03 | (0.96-1.10) | 12619 | 65.7 | 1.03 | (0.93-1.13) |
Missing | 12846 | 69.8 | 1.07 | (1.00-1.16) | 15412 | 69.4 | 1.08 | (0.99-1.19) |
Emotional social support (given) | ||||||||
No | 2225 | 65.0 | 1.00 | (reference) | 1112 | 64.2 | 1.00 | (reference) |
Yes | 13112 | 67.3 | 1.03 | (0.98-1.09) | 12703 | 65.8 | 1.02 | (0.95-1.11) |
Missing | 10293 | 70.0 | 1.08 | (1.02-1.14)b | 14943 | 69.5 | 1.08 | (1.00-1.17)a |
Instrumental social support (received) | ||||||||
No | 1245 | 65.1 | 1.00 | (reference) | 1380 | 63.9 | 1.00 | (reference) |
Yes | 15949 | 67.7 | 1.04 | (0.97-1.12) | 16461 | 66.9 | 1.05 | (0.98-1.12) |
Missing | 8436 | 69.3 | 1.07 | (0.99-1.15) | 10917 | 69.3 | 1.08 | (1.01-1.16)a |
Instrumental social support (given) | ||||||||
No | 2929 | 64.8 | 1.00 | (reference) | 3855 | 66.7 | 1.00 | (reference) |
Yes | 14467 | 68.2 | 1.05 | (1.00-1.11)a | 13287 | 66.6 | 1.00 | (0.96-1.04) |
Missing | 8234 | 69.1 | 1.07 | (1.01-1.12)a | 11616 | 69.1 | 1.04 | (0.99-1.08) |
Number of social groups | ||||||||
0 | 6074 | 66.4 | 1.00 | (reference) | 6693 | 66.5 | 1.00 | (reference) |
1 | 4390 | 68.5 | 1.03 | (0.99-1.08) | 4551 | 69.9 | 1.05 | (1.01-1.10)a |
2 | 3355 | 70.5 | 1.06 | (1.01-1.12)a | 3306 | 70.2 | 1.06 | (1.00-1.11)a |
3 - 6 | 5207 | 71.1 | 1.07 | (1.02-1.12)b | 3871 | 70.2 | 1.06 | (1.01-1.11)a |
Missing | 6604 | 66.0 | 0.99 | (0.95-1.04) | 10337 | 65.6 | 0.99 | (0.95-1.03) |
Frequency of meeting friends | ||||||||
Rarely | 2866 | 64.5 | 1.00 | (reference) | 1891 | 64.5 | 1.00 | (reference) |
Several times a year | 5163 | 69.5 | 1.08 | (1.02-1.14)b | 3127 | 68.7 | 1.07 | (0.99-1.14) |
1 or 2 times/month | 4986 | 69.7 | 1.08 | (1.02-1.14)b | 5225 | 69.1 | 1.07 | (1.00-1.14)a |
Once/week | 3595 | 69.1 | 1.07 | (1.01-1.14)a | 4965 | 68.2 | 1.06 | (0.99-1.13) |
2 or 3 times/week | 4304 | 67.6 | 1.05 | (0.99-1.11) | 6979 | 67.2 | 1.04 | (0.98-1.11) |
Almost everyday | 2930 | 68.2 | 1.06 | (0.99-1.13) | 4159 | 67.5 | 1.05 | (0.98-1.12) |
Missing | 1786 | 65.3 | 1.01 | (0.94-1.09) | 2412 | 65.8 | 1.02 | (0.95-1.10) |