| Model 1 | Model 2 | Model 3 | Model 4 | ||||
---|---|---|---|---|---|---|---|---|
PR | 95%CI | PR | 95%CI | PR | 95%CI | PR | 95%CI | |
Public assistance (ref: no) | 2.38 | (2.24–2.53) | 1.91 | (1.79–2.03) | 1.57 | (1.47–1.67) | 1.33 | (1.25–1.42) |
Age (10-year unit) | 1.21 | (1.19–1.24) | 1.10 | (1.07–1.12) | 1.01 | (0.99–1.03) | 0.99 | (0.98–1.01) |
Sex (ref. male) | 0.97 | (0.95–0.99) | 0.87 | (0.84–0.89) | 0.88 | (0.86–0.90) | 1.02 | (0.99–1.05) |
Education > 9 years (ref: ≤ 9 years) |  |  | 0.73 | (0.71–0.75) | 0.81 | (0.78–0.83) | 0.87 | (0.85–0.90) |
Marital status (ref. unmarried) |  |  | 0.69 | (0.67–0.71) | 0.74 | (0.72–0.76) | 0.76 | (0.74–0.78) |
Household income (mean; one-million JPY unit) |  |  |  |  | 0.89 | (0.88–0.89) | 0.91 | (0.90–0.91) |
Household number (mean) |  |  |  |  | 1.04 | (1.03–1.05) | 1.02 | (1.01–1.03) |
Comorbidity (mean) |  |  |  |  | 1.21 | (1.20–1.22) | 1.19 | (1.18–1.20) |
Meeting friends |  |  |  |  |  |  | 0.88 | (0.86–0.89) |
Number of friends |  |  |  |  |  |  | 0.81 | (0.80–0.83) |
Participation in sports clubs |  |  |  |  |  |  | 0.90 | (0.88–0.92) |
Participation in hobby clubs |  |  |  |  |  |  | 0.89 | (0.87–0.90) |