Table 3.
Interaction of risk factors for suicidal ideation.
| Factor 1 | Factor 2 | Adjusted OR† | RERI | AP | S |
|---|---|---|---|---|---|
| Depression symptoms | ADL status | 8.73(2.04,15.43) | 0.49(0.28,0.70) | 2.35(1.62,3.49) | |
| − | − | 1.00 | |||
| + | − | 7.06(2.77,13.24) | |||
| − | + | 3.15(1.25,7.90) | |||
| + | + | 17.94(7.34,33.86) | |||
| Depression symptoms | Social support | 5.98(0.86,11.10) | 0.42(0.17,0.67) | 1.83(1.13,2.98) | |
| − | − | 1.00 | |||
| + | − | 6.37(2.48,16.35) | |||
| − | + | 2.86(1.07,7.57) | |||
| + | + | 14.21(5.89,34.29) |
†Adjusted for age, gender, marital status, education, medical insurance, monthly income, duration of residency, having children, smoking, alcohol consumption, negative life events, history of falls, sleep quality, history of chronic disease, frequency of visits from relatives, and all variables shown in the table.
OR, odds ratio; RERI, the relative excess risk due to interaction; AP, the attributable proportion due to interaction; S, the synergy index; ADL, activities of daily living.