Table 3.
Multilevel Logistic Regression Analysis (MCMC) of PSI (Individual-Level Coefficients)
| Variable | OR | CI (95 %) | pMCMC |
|---|---|---|---|
| Predisposing factors | |||
| Death wish (Wave 4): (ref.: No) | |||
| Yes | 6.14 | 4.87–7.75 | <0.001 |
| Sex (ref.: Male) | |||
| Female | 1.31 | 1.04–1.66 | 0.020 |
| Age in years (75–102) | 1.02 | 1.00–1.04 | 0.075 |
| Education (ref.: Low) | |||
| Mid | 0.76 | 0.59–0.99 | 0.038 |
| High | 0.84 | 0.61–1.16 | 0.294 |
| Ends meet (ref.: Easily) | |||
| With difficulty | 1.02 | 0.82–1.28 | 0.840 |
| Poor health (ref.: No) | |||
| Yes | 2.06 | 1.46–2.90 | <0.001 |
| Number of ADLs (0–6) | 1.07 | 0.95–1.20 | 0.284 |
| Number of IADLS (0–7) | 1.00 | 0.91–1.10 | 0.976 |
| Depression/affective disorder (ref.: No) | |||
| Yes | 1.85 | 1.45–2.36 | <0.001 |
| Vulnerability factors | |||
| Perceived control (3–12) | 0.86 | 0.81–0.91 | <0.001 |
| Change in perceived control (t 0−t 1) (ref.: Stable) | |||
| Improved | 0.75 | 0.57–0.99 | 0.036 |
| Worsened | 1.54 | 1.20–1.98 | <0.001 |
| Frequency of prayer (ref.: Daily) | |||
| Less often | 1.13 | 0.88–1.45 | 0.323 |
| Never | 1.37 | 1.06–1.75 | 0.016 |
| Partner status (ref.: With partner) | |||
| Without partner | 1.14 | 0.91–1.42 | 0.249 |
| Size of social network (0–7) | 0.93 | 0.87–1.00 | 0.036 |
| Often lonely (ref.: No) | |||
| Yes | 1.85 | 1.32–2.58 | <0.001 |
| Change in loneliness (t 0−t 1)(ref.: Stable) | |||
| Improved | 0.77 | 0.51–1.17 | 0.220 |
| Worsened | 2.14 | 1.58–2.90 | <0.001 |
| Critical event | |||
| Lost partner (t 0−t 1) (ref.: No) | |||
| Yes | 1.77 | 1.16–2.68 | <0.001 |
| Change in poor health (t 0−t 1) (ref.: Stable) | |||
| Improved | 0.54 | 0.35–0.84 | 0.006 |
| Worsened | 2.48 | 1.87–3.31 | <0.001 |
| Change in ADLs (t 0−t 1) (ref.: Stable) | |||
| Improved | 1.26 | 0.87–1.83 | 0.221 |
| Worsened | 1.22 | 0.94–1.58 | 0.138 |
| Change in IADLs (t 0−t 1) (ref.: Stable) | |||
| Improved | 0.72 | 0.51–1.02 | 0.066 |
| Worsened | 1.28 | 1.01–1.63 | 0.040 |
| Intercept | 0.02 | 0.02–0.03 | <0.001 |
Notes. SHARE, Waves 4 (1.1.1) and 5 (1.0), unweighted data, N = 6,791. MCMC: 55,000 iterations, burn-in = 5,000, thinning 20 = eff. sample size = ~2,500 per chain. OR = adjusted odds ratio of posterior mean, CI = 95 % credible intervals, pMCMC = Bayesian p value. ADLs = activities of daily living; IADLs = instrumental activities of daily living.