Table 2.
Prevalence and univariate analysis of influence factors of suicidal ideation
| Variables | N | Non-suicidal ideation, n (%) | Suicidal ideation, n (%) | p | OR (95 % CI) |
|---|---|---|---|---|---|
| All respondents | 4291 | 4107 (95.71) | 184 (4.29) | ||
| Gender | |||||
| Male | 2349 | 2264 (96.38) | 77 (3.62) | 0.024 | 0.71 (0.52–0.95)a |
| Female | 1846 | 1753 (94.96) | 93 (5.04) | 1 (referent) | |
| Age | |||||
| 20–34 | 330 | 318 (96.6) | 12 (3.64) | 0.966 | 1 (referent) |
| 35–44 | 998 | 954 (95.59) | 44 (4.41) | 1.22 (0.64–2.34) | |
| 45–54 | 1013 | 967 (95.46) | 46 (4.54) | 1.26 (0.66–2.41) | |
| 55–64 | 693 | 664 (95.82) | 29 (4.18) | 1.16 (0.58–2.30) | |
| ≥65 | 1257 | 1204 (95.78) | 53 (4.22) | 1.17 (0.62–2.21) | |
| Education | |||||
| Junior high school or less | 2440 | 2324 (95.25) | 116 (4.75) | 0.138 | 1 (referent) |
| High school | 1385 | 1334 (96.32) | 51 (3.68) | 0.77 (0.55–1.07) | |
| College or above | 336 | 326 (97.02) | 10 (2.98) | 0.61 (0.32–1.18) | |
| Currently married | |||||
| No | 904 | 840 (92.92) | 64 (7.08) | <0.001 | 2.10 (1.54–2.88)a |
| Yes | 3291 | 3176 (96.51) | 115 (3.49) | 1 (referent) | |
| BMI | |||||
| <19 | 279 | 259 (92.83) | 20 (7.17) | 0.011 | 1.92 (1.18–3.12)a |
| ≥19 & <25 | 3464 | 3330(96.13) | 134(3.87) | 1 (referent) | |
| ≥25 | 548 | 518 (94.53) | 30 (5.47) | 1.44 (0.96–2.16) | |
| Self-rated health | |||||
| Good | 1833 | 1771 (96.62) | 62 (3.38) | <0.001 | 1 (referent) |
| Fair | 1890 | 1813 (95.93) | 77 (4.07) | 1.21 (0.86–1.71) | |
| Bad | 480 | 441 (91.88) | 39 (8.13) | 2.53 (1.67–3.82)a | |
| CES-D Scores | |||||
| ≥21 | 1315 | 1209 (91.94) | 106 (8.06) | <0.001 | 3.51 (2.58–4.78)a |
| <21 | 2914 | 2843 (97.56) | 71 (2.44) | 1 (referent) | |
| Hope | |||||
| Hopeful | 1866 | 1810 (97.00) | 56 (3.00) | <0.001 | 1 (referent) |
| Fair | 943 | 905 (95.97) | 38 (4.03) | 1.36 (0.89–2.06) | |
| Hopeless | 513 | 459 (89.47) | 54 (10.53) | 3.80 (2.58–5.60)a | |
| Unknown | 960 | 925 (96.35) | 35 (3.65) | 1.22 (0.80–1.88) | |
| Health Insurance | |||||
| BEMI | 1948 | 1900 (97.54) | 48 (2.46) | <0.001 | 1 (referent) |
| Other insurances | 897 | 838 (93.42) | 59 (6.58) | 2.79 (1.89–4.11)a | |
| Uninsured | 1137 | 1074 (94.46) | 63 (5.54) | 2.32 (1.58–3.41)a | |
| HAE | |||||
| ≤10000 | 1825 | 1723 (94.41) | 102 (5.59) | <0.001 | 1 (referent) |
| >1000& ≤ 20000 | 1479 | 1437 (97.16) | 42 (2.84) | 0.49 (0.34–0.71)a | |
| >20000 | 987 | 947 (95.95) | 40 (4.05) | 0.71 (0.49-1.04) | |
| Debts | |||||
| Yes | 3597 | 3474 (95.68) | 123 (3.42) | <0.001 | 2.72 (1.98–3.74)a |
| No | 694 | 633 (91.21) | 61 (8.79) | 1 (referent) | |
| Employment | |||||
| Employed | 1219 | 1179 (96.72) | 40 (3.28) | 0.001 | 1 (referent) |
| Retired | 1749 | 1684 (96.28) | 65 (3.72) | 1.14 (0.76–1.70) | |
| Unemployed | 1235 | 1161 (94.01) | 74 (5.99) | 1.88 (1.27–2.78)a | |
| Currently smoking | |||||
| Yes | 1077 | 1030 (95.64) | 47 (4.36) | 0.719 | 1.07 (0.72–1.50) |
| No | 2946 | 2825 (95.89) | 121 (4.11) | 1 (referent) | |
| Currently drinking | |||||
| Yes | 668 | 632 (94.61) | 36 (5.39) | 0.126 | 1.34 (0.92–1.94) |
| No | 3623 | 3475 (95.91) | 148 (4.09) | 1 (referent) | |
OR odds ratio, CI confidence interval, BEMI Basic Employee Medical Insurance, HAE household annual expenditure
P values were associated with chi-square tests for comparing suicidal ideation by predictors
aSignificant ORs