Table 5.
Two-level Poisson regression analyses for associates with high risk behavior of patients with severe mental illness in rural households of Sichuan Province
| Variables | Model1 | Model2 | ||
|---|---|---|---|---|
| Fixed effect | Coefficient | IRR(95% CI) | Coefficient | IRR(95% CI) |
| Regional Level | ||||
| NPP (per 100,000 pop.) | – | – | 0.494* | 1.638(1.001, 2.682) |
| ANIPC(RMB Yuan) | – | – | − 8.039* | 0.000(0.000, 0.558) |
| EP(%) | – | – | − 2.055 | 0.128(0.000, 35.929) |
| PCMLF(RMB Yuan) | – | – | −0.001 | 0.999(0.998, 1.000) |
| AFP | – | – | 0.100 | 1.105(0.948, 1.288) |
| Individual Level: | ||||
| Gender | ||||
| 1 = male | – | – | – | – |
| 2 = female | − 0.205** | 0.814(0.787, 0.842) | − 0.205** | 0.814(0.787, 0.842) |
| Age | ||||
| 1 = 15 to 24 | – | – | – | – |
| 2 = 25 to 44 | 0.128** | 1.137(1.053, 1.227) | 0.128** | 1.137(1.054, 1.227) |
| 3 = 45 to 59 | −0.068 | 0.935(0.862, 1.013) | −0.068 | 0.935(0.863, 1.013) |
| 4 = ≧60 | −0.125** | 0.882(0.812, 0.958) | −0.125** | 0.882(0.812, 0.959) |
| Nationality | ||||
| 1 = Han | – | – | – | – |
| 2 = Minority | −0.176 | 0.839(0.685, 1.028) | −0.175 | 0.839(0.685, 1.028) |
| Family history of mental illness | ||||
| 0 = no | – | – | – | – |
| 1 = yes | 0.227** | 1.254(1.170, 1.344) | 0.227** | 1.254(1.170, 1.345) |
| Marital status | ||||
| 1 = married | – | – | – | – |
| 2 = unmarried | 0.223** | 1.250(1.206, 1.295) | 0.223** | 1.250(1.206, 1.295) |
| Economic status | ||||
| 1 = poverty | – | – | – | – |
| 2 = non-poverty | −0.494** | 0.610(0.579, 0.642) | −0.494** | 0.610(0.579, 0.643) |
| Education level | ||||
| 1 = illiteracy/semiliterate | – | – | – | – |
| 2 = elementary education and above | −0.123** | 0.884(0.855, 0.914) | −0.123** | 0.884(0.855, 0.914) |
| Diagnosis type | ||||
| 1 = schizophrenia | – | – | – | – |
| 2 = schizoaffective disorder | −0.044 | 0.957(0.845, 1.083) | −0.045 | 0.956(0.845, 1.082) |
| 3 = paranoid psychosis | 0.042 | 1.043(0.826, 1.316) | 0.041 | 1.042(0.826, 1.315) |
| 4 = bipolar affective disorder | −0.123* | 0.885(0.802, 0.976) | −0.123* | 0.884(0.802, 0.975) |
| 5 = mental disorders due to epilepsy | −0.262** | 0.769(0.712, 0.831) | −0.262** | 0.769(0.712, 0.831) |
| 6 = mental retardation with mental disorders | −1.096** | 0.334(0.302, 0.370) | −1.096** | 0.334(0.302, 0.370) |
| Duration of illness | ||||
| 1 = < 10 years | – | – | – | – |
| 2 = 10 to 19 years | 0.118** | 1.125(1.084, 1.168) | 0.118** | 1.125(1.084, 1.168) |
| 3 = 20 to 29 years | 0.142** | 1.153(1.104, 1.204) | 0.142** | 1.153(1.104, 1.204) |
| 4 = ≧30 years | 0.152** | 1.165(1.106, 1.226) | 0.152** | 1.165(1.107, 1.226) |
| Antipsychotic treatment | ||||
| 0 = no | – | – | – | – |
| 1 = yes | 0.039* | 1.040(1.002, 1.079) | 0.039* | 1.040(1.003, 1.079) |
| Participation in 686 project | ||||
| 0 = no | – | – | – | – |
| 1 = yes | −0.266** | 0.767(0.734, 0.801) | − 0.266** | 0.766(0.733, 0.801) |
| Random effect | ||||
| Level 2: Region | 0.502(0.168)** | 0.417(0.165)* | ||
*P<0.05, **P<0.01
Full description of regional variables as follows: annual net income of rural residents per capita (ANIPC), employment proportion of rural residents (EP%), and per capita minimal livelihood funds for rural residents under basic provision protection (PCMLF), number of psychiatric practitioners (including assistant psychiatric practitioners) per one hundred thousand people (NPP/100,000), the average number of follow-ups of patients in rural region (AFP)