Sociodemographic factors | N | Mean Rank | df | χ2 | p value |
---|---|---|---|---|---|
Age group | |||||
 12–17 years | 26 | 452.58 |  |  |  |
 18-34 years | 395 | 482.34 | 3 | 33.479 | 0.000* |
 35-54 years | 342 | 461.25 |  |  |  |
 55-65 years | 144 | 359.31 |  |  |  |
Education level | |||||
 Primary or less | 119 | 454.89 |  |  |  |
 Secondary school | 653 | 456.23 | 2 | 0.993 | 0.609 |
 University | 133 | 435.47 |  |  |  |
Occupational status | |||||
 Professional | 31 | 161.52 |  |  |  |
 Skilled workers | 437 | 290.18 | 3 | 35.262 | 0.000* |
 Unskilled workers | 87 | 309.31 |  |  |  |
 Armed forces | 12 | 192.00 |  |  |  |
Total household income | |||||
 less than $25,000 | 218 | 389.49 |  |  |  |
 $25,001-$50,000 | 262 | 378.23 |  |  |  |
 $50,001-$70,000 | 139 | 383.61 | 4 | 7.435 | 0.115 |
 $70,001- $100,000 | 76 | 345.80 |  |  |  |
 $120,000 or more | 55 | 327.59 |  |  |  |