| Sociodemographic variables | Case n = 105 | Control n = 210 | Statistical Tests | ||||
| n | % | n | % | COR (95% CI) | P | ||
| Governorate | 0.990 | ||||||
| Northern | 17 | 16.2 | 34 | 16.2 | 1 (0.4 - 2.5) | 0.942 | |
| Gaza | 48 | 45.7 | 96 | 45.7 | 0.9 (0.4 - 1.9) | 0.723 | |
| Middle area | 16 | 15.2 | 32 | 15.2 | 0.9 (0.4 - 2.4) | 0.896 | |
| Khanyounis | 13 | 12.4 | 26 | 12.4 | 0.8 (0.3 - 2.2) | 0.684 | |
| Rafah | 11 | 10.5 | 22 | 10.5 | 1 (reference) |
| |
| Housing area | 0.588 | ||||||
| Agricultural | 22 | 21.0 | 42 | 20.0 | 0.9 (0.5 - 1.8) | 0.553 | |
| Industrial | 24 | 22.9 | 48 | 22.9 | 0.9 (0.5 - 1.7) | 0.628 | |
| Refugee camp | 16 | 15.2 | 32 | 15.2 | 0.6 (0.3 - 1.2) | 0.213 | |
| Residential towers | 43 | 41.0 | 86 | 40.9 | 1 (reference) |
| |
| Marital status | 0.547 | ||||||
| Single | 8 | 7.6 | 16 | 7.6 | 1.4 (0.5 - 4.3) | 0.561 | |
| Married | 81 | 77.1 | 162 | 77.1 | 0.9 (0.5 - 2) | 0.888 | |
| Divorced | 3 | 2.9 | 6 | 2.9 | 0.4 (0.1 - 1.8) | 0.263 | |
| Widow | 13 | 12.4 | 26 | 12.4 | 1 (reference) |
| |
| Age (years) | 0.334 | ||||||
| <18 | 0 | 0.0 | 0 | 0.0 | 0 (0 - 0) | 0.000 | |
| 18 - 25 | 1 | 1.0 | 2 | 1.0 | 0.4 (0 - 2.5) | 0.265 | |
| 26 - 40 | 20 | 19.0 | 40 | 19.0 | 0.6 (0.4 - 1.1) | 0.125 | |
| >40 | 84 | 80.0 | 168 | 80.0 | 1 (reference) |
| |
| Employment status | 0.582 | ||||||
| Employed | 13 | 12.4 | 22 | 10.5 | 1.2 (0.6 - 2.5) | ||
| Unemployed | 92 | 87.6 | 188 | 89.5 | 1 (reference) | ||
| Family members | 0.043 | ||||||