Table 4.
Multivariate analysis of factors associated with self-medication with antibiotics
| Unadjusted OR (95% CI) | P value | Adjusted OR (95% CI) | P value | |
| Age group (years) | ||||
| 18–29 (ref.) | ||||
| 30–39 | 0.66 (0.35 to 1.24) | 0.197 | 0.63 (0.33 to 1.20) | 0.159 |
| 40–49 | 0.75 (0.386 to 1.48) | 0.412 | 0.71 (0.36 to 1.41) | 0.326 |
| 50–59 | 0.54 (0.26 to 1.12) | 0.099 | 0.57 (0.27 to 1.21) | 0.143 |
| 60 and above | 0.69 (0.0307 to 1.54) | 0.364 | 0.72 (0.31 to 1.64) | 0.433 |
| Gender | ||||
| Female (ref.) | ||||
| Male | 1.60 (1.15 to 2.22) | 0.005 | 1.57 (1.13 to 2.14) | 0.008 |
| Education level | ||||
| Illiterate (ref.) | ||||
| Primary school | 1.27 (0.64 to 2.52) | 0.485 | 1.32 (0.66 to 2.63) | 0.429 |
| Secondary school | 0.86 (0.43 to 1.73) | 0.670 | 0.98 (0.48 to 1.99) | 0.948 |
| Higher Secondary | 0.67 (0.32 to 1.41) | 0.293 | 0.86 (0.40 to 1.85) | 0.701 |
| Bachelor and above | 0.57 (0.27 to 1.17) | 0.126 | 0.76 (0.35 to 1.63) | 0.482 |
| Marital status | ||||
| Married (ref.) | ||||
| Never married | 0.85 (0.46 to 1.56) | 0.595 | 0.83 (0.44 to 1.55) | 0.554 |
| Other | 1.29 (0.46 to 3.61) | 0.624 | 1.22 (0.43 to 3.44) | 0.704 |
| Occupation | ||||
| Agriculture (ref.) | ||||
| Service | 0.67 (0.37 to 1.22) | 0.189 | 0.75 (0.41 to 1.36) | 0.344 |
| Other | 1.37 (0.58 to 3.19) | 0.470 | 1.31 (0.55 to 3.09) | 0.545 |
| Student | 0.98 (0.50 to 1.90) | 0.952 | 1.05 (0.535 to 2.06) | 0.895 |
| Housewife | 0.78 (0.43 to 1.43) | 0.424 | 0.84 (0.45 to 1.55) | 0.579 |
| Unemployed | 1.33 (0.55 to 3.21) | 0.528 | 1.36 (0.55 to 3.34) | 0.500 |
| Family income | ||||
| <US$417 (ref.) | ||||
| US$417 to <US$893 | 0.64 (0.40 to 1.02) | 0.062 | 0.70 (0.44 to 1.12) | 0.139 |
| ≥US$893 | 0.11 (0.02 to 0.51) | 0.005 | 0.14 (0.03 to 0.64) | 0.011 |
| Ethnicity | ||||
| Chakma (ref.) | ||||
| Marma | 0.89 (0.61 to 1.29) | 0.533 | 0.97 (0.66 to 1.42) | 0.863 |
| Tripura | 0.47 (0.25 to 0.91) | 0.026 | 0.53 (0.27 to 1.02) | 0.059 |
| Tanchangya | 1.31 (0.61 to 2.81) | 0.491 | 1.44 (0.66 to 3.11) | 0.355 |
| Bawm | 0.67 (0.24 to 1.84) | 0.436 | 0.66 (0.24 to 1.82) | 0.420 |
| Other | 0.88 (0.25 to 3.14) | 0.842 | 0.97 (0.27 to 3.53) | 0.968 |
| Home district | ||||
| Bandarban (ref.) | ||||
| Khagrachari | 0.53 (0.30 to 0.94) | 0.029 | 0.57 (0.32 to 1.02) | 0.057 |
| Rangamati | 0.47 (0.28 to 0.81) | 0.006 | 0.52 (0.30 to 0.90) | 0.020 |
| Chronic condition | ||||
| No (ref.) | ||||
| Yes | 0.73 (0.52 to 1.01) | 0.060 | ||
| Know about antibiotics | ||||
| No (ref.) | ||||
| Yes | 0.74 (0.52 to 1.07) | 0.111 | ||
| Knows about antibiotics and other drugs | ||||
| No (ref.) | ||||
| Yes | 0.50 (0.34 to 0.74) | 0.001 | ||
| Constant | 3.62 (1.32 to 9.90) | 0.012 | 4.33 (1.53 to 12.24) | 0.006 |
| No of observations | 742 | 742 | ||
| Pseudo r-squared | 0.073 | 0.095 | ||
The dependent variable ‘self-prescription’ assumes a value of 1 if the respondent reported taking antibiotics that were self-prescribed and assumes a value of 0 if not.