| Knowledge scale | p-value | Attitude scale | p-value | Practice scale | p-value |
---|---|---|---|---|---|---|
Mean ± SD | Mean ± SD |  | Mean ± SD |  | ||
Gender | Â | Â | Â | Â | Â | Â |
 Female | 22.99 ± 6.07 | 0.045 | 5.46 ± 1.41 | 0.002 | 2.97 ± 1.76 | 0.065 |
 Male | 22.03 ± 6.37 | 5.09 ± 1.65 | 3.22 ± 1.76 | |||
Education level | Â | Â | Â | Â | Â | Â |
 Illiterate | 13.83 ± 2.56 |  < 0.001 | 4.00 ± 2.09 | 0.023 | 3.66 ± 2.80 | 0.202 |
 Primary | 12.66 ± 1.52 | 5.33 ± 2.08 | 3.33 ± 2.30 | |||
 Secondary | 21.86 ± 5.31 | 4.90 ± 1.55 | 2.63 ± 1.79 | |||
 University | 22.81 ± 6.22 | 5.36 ± 1.49 | 3.07 ± 1.75 | |||
 Postgraduate | 23.09 ± 6.22 | 5.50 ± 1.50 | 3.27 ± 1.71 | |||
Place of living | Â | Â | Â | Â | Â | Â |
 Urban | 22.89 ± 6.28 | 0.068 | 5.31 ± 1.50 | 0.607 | 3.15 ± 1.76 | 0.015 |
 Rural | 21.92 ± 5.89 | 5.38 ± 1.53 | 2.79 ± 1.73 | |||
Marital status | Â | Â | Â | Â | Â | Â |
 Single/divorced/widowed | 22.65 ± 6.29 | 0.941 | 5.23 ± 1.55 |  < 0.001 | 3.08 ± 1.79 | 0.505 |
 Married | 22.61 ± 5.80 | 5.71 ± 1.24 | 2.97 ± 1.64 | |||
Occupation | Â | Â | Â | Â | Â | Â |
 Unemployed | 22.82 ± 6.11 | 0.266 | 5.25 ± 1.53 | 0.045 | 3.01 ± 1.77 | 0.271 |
 Employed | 22.28 ± 6.35 | 5.48 ± 1.46 | 3.16 ± 1.74 | |||
Monthly income | Â | Â | Â | Â | Â | Â |
 No income | 22.56 ± 6.10 | 0.001 | 5.18 ± 1.57 | 0.010 | 2.95 ± 1.70 | 0.045 |
 Low | 18.94 ± 7.01 | 5.16 ± 1.34 | 3.67 ± 1.70 | |||
 Intermediate | 22.80 ± 5.93 | 5.48 ± 1.39 | 3.02 ± 1.67 | |||
 High | 23.62 ± 6.19 | 5.62 ± 1.45 | 3.25 ± 1.97 | |||
Healthcare professional* | ||||||
 Yes | 22.90 ± 6.66 | 0.483 | 5.24 ± 1.51 | 0.331 | 3.61 ± 1.83 |  < 0.001 |
 No | 22.53 ± 5.98 | 5.36 ± 1.51 | 2.82 ± 1.68 | |||
Pharmacist | Â | Â | Â | Â | Â | Â |
 Yes | 22.97 ± 7.07 | 0.552 | 5.14 ± 1.58 | 0.159 | 3.86 ± 1.85 |  < 0.001 |
 No | 22.59 ± 6.03 | 5.36 ± 1.49 | 2.92 ± 1.71 | |||
Physician | Â | Â | Â | Â | Â | Â |
 Yes | 19.62 ± 7.84 | 0.031 | 5.28 ± 1.50 | 0.851 | 3.84 ± 1.91 | 0.011 |
 No | 22.78 ± 6.08 | 5.33 ± 1.51 | 3.03 ± 1.75 | |||
Nurse | Â | Â | Â | Â | Â | Â |
 Yes | 20.31 ± 6.41 | 0.013 | 4.90 ± 1.41 | 0.062 | 3.87 ± 1.96 | 0.002 |
 No | 22.78 ± 6.16 | 5.35 ± 1.51 | 3.01 ± 1.74 | |||
Dentist | Â | Â | Â | Â | Â | Â |
 Yes | 21.73 ± 7.35 | 0.442 | 5.50 ± 1.14 | 0.562 | 4.03 ± 1.82 | 0.004 |
 No | 22.68 ± 6.15 | 5.32 ± 1.52 | 3.03 ± 1.75 | |||
Other | Â | Â | Â | Â | Â | Â |
 Yes | 21.73 ± 6.84 | 0.155 | 5.26 ± 1.57 | 0.693 | 3.64 ± 1.75 | 0.002 |
 No | 22.76 ± 6.11 | 5.33 ± 1.50 | 2.99 ± 1.75 | |||
Presence of a healthcare professional in the family* | ||||||
 Yes | 22.76 ± 6.34 | 0.679 | 5.37 ± 1.43 | 0.536 | 3.32 ± 1.86 | 0.002 |
 No | 22.57 ± 6.10 |  | 5.30 ± 1.56 |  | 2.89 ± 1.67 |  |
Pharmacist | Â | Â | Â | Â | Â | Â |
 Yes | 21.97 ± 6.64 | 0.156 | 5.25 ± 1.44 | 0.496 | 3.44 ± 1.85 | 0.005 |
 No | 22.80 ± 6.08 |  | 5.34 ± 1.53 |  | 2.97 ± 1.73 | |
Physician | Â | Â | Â | Â | Â | Â |
 Yes | 21.67 ± 7.10 | 0.119 | 5.39 ± 1.57 | 0.693 | 3.68 ± 2.04 | 0.003 |
 No | 22.78 ± 6.06 |  | 5.32 ± 1.50 |  | 2.98 ± 1.70 | |
Nurse | Â | Â | Â | Â | Â | Â |
 Yes | 22.07 ± 6.23 | 0.276 | 5.35 ± 1.28 | 0.877 | 3.41 ± 1.78 | 0.019 |
 No | 22.75 ± 6.19 |  | 5.32 ± 1.55 |  | 3.00 ± 1.75 |  |
Dentist | Â | Â | Â | Â | Â | Â |
 Yes | 21.46 ± 7.09 | 0.202 | 5.09 ± 1.59 | 0.230 | 3.55 ± 2.06 | 0.072 |
 No | 22.74 ± 6.12 |  | 5.34 ± 1.50 |  | 3.02 ± 1.73 |  |
Other | Â | Â | Â | Â | Â | Â |
 Yes | 21.81 ± 7.23 | 0.266 | 5.30 ± 1.42 | 0.890 | 3.66 ± 1.87 | 0.001 |
 No | 22.75 ± 6.05 |  | 5.33 ± 1.52 |  | 2.99 ± 1.73 |  |
 | Correlation coefficient |  | Correlation coefficient |  | Correlation coefficient |  |
---|---|---|---|---|---|---|
Age | − 0.085 | 0.021 | 0.076 | 0.039 | − 0.051 | 0.171 |
Household crowding index | − 0.046 | 0.214 | − 0.064 | 0.084 | − 0.018 | 0.632 |
Knowledge scale |  |  | 0.295 |  < 0.001 | 0.060 | 0.103 |
Attitude scale | 0.295 |  < 0.001 | – | – | 0.179 |  < 0.001 |
Practice scale | 0.060 | 0.103 | 0.179 |  < 0.001 |  |  |