Table 3.
Binary logistic regression model for factors affecting inpatient utilization
| Parameter | B | SE | Exp (B) | 95% CI for EXP (B) | p value | |
|---|---|---|---|---|---|---|
| Lower | Upper | |||||
| Gender (reference group = female) | ||||||
| Male | −0.20 | 0.28 | 0.81 | 0.46 | 1.42 | 0.46 |
| Marital status (reference group = married) | ||||||
| Single | 0.36 | 0.28 | 1.44 | 0.82 | 2.51 | 0.20 |
| Residence (reference group = rural) | ||||||
| Urban | 1.27 | 0.37 | 3.57 | 1.70 | 7.50 | <0.001* |
| Income (reference group = $300 and more) | ||||||
| Less than $100 | 0.49 | 0.50 | 1.63 | 0.60 | 4.40 | 0.33 |
| $100 to $200 | 1.03 | 0.48 | 2.80 | 1.08 | 7.23 | 0.03* |
| $200 to $300 | 1.44 | 0.49 | 4.24 | 1.60 | 11.20 | <0.001* |
| Basic insurance (reference group = no) | ||||||
| Yes | 0.18 | 0.57 | 1.19 | 0.39 | 3.68 | 0.75 |
| Supplementary insurance (reference group = no) | ||||||
| Yes | 0.21 | 0.26 | 1.23 | 0.73 | 2.08 | 0.42 |
| Age (reference group => 80) | ||||||
| 60‐70 | −0.73 | 0.42 | 0.48 | 0.21 | 1.10 | 0.08 |
| 70‐80 | −1.01 | 0.42 | 0.36 | 0.15 | 0.83 | 0.02* |
| Education (reference group = academic education) | ||||||
| Illiterate | 0.32 | 0.57 | 1.37 | 0.44 | 4.25 | 0.57 |
| Diploma or lower | 0.49 | 0.49 | 1.648 | 0.623 | 4.36 | 0.31 |
| Employment status (reference group = retired) | ||||||
| Employed | 0.62 | 0.29 | 1.858 | 1.04 | 3.29 | 0.03* |
| Basic insurance type (reference group = other) | ||||||
| Social security | 0.41 | 0.29 | 1.50 | 0.84 | 2.69 | 0.16 |
| Iranian health | 1.15 | 0.43 | 3.15 | 1.34 | 7.44 | 0.01* |
| Diabetes (reference group = no) | ||||||
| Yes | 0.18 | 0.29 | 1.20 | 0.67 | 2.13 | 0.53 |
| Hypertension (reference group = no) | ||||||
| Yes | 0.49 | 0.27 | 1.63 | 0.96 | 2.78 | 0.06 |
| Hyperlipidemia (reference group = no) | ||||||
| Yes | 0.42 | 0.28 | 1.53 | 0.87 | 2.67 | 0.13 |
| Cardiovascular diseases (reference group = no) | ||||||
| Yes | 1.25 | 0.28 | 3.50 | 1.99 | 6.15 | <0.001* |
| Kidney disease (reference group = no) | ||||||
| Yes | 1.28 | 0.50 | 3.59 | 1.33 | 9.67 | 0.01* |
| Cancer disease (reference group = no) | ||||||
| Yes | 2.04 | 0.80 | 7.70 | 1.58 | 37.54 | 0.01* |
| Mental disease (reference group = no) | ||||||
| Yes | 1.49 | 0.50 | 4.43 | 1.662 | 11.846 | <0.001* |
| Eye disease (reference group = no) | ||||||
| Yes | 0.22 | 0.26 | 1.25 | 0.74 | 2.10 | 0.39 |
| Endocrine disease (reference group = no) | ||||||
| Yes | 0.01 | 0.35 | 1.01 | 0.50 | 2.01 | 0.99 |
| Infectious and respiratory diseases (reference group = no) | ||||||
| Yes | −0.20 | 0.35 | 0.82 | 0.41 | 1.64 | 0.57 |
Abbreviations: CI, confidence interval; SE, standard error.
*
p < 0.05 was considered as significant.