| Level of protection | P-value | ||||
| Characteristics | <10 N (%) | [10-100] N (%) | [101-1000] N (%) | [>1000] N (%) | |
| Gender | |||||
| F | 1455 (28.48) | 660 (12.92) | 660 (12.92) | 428 (8.38) | p < 0.0001 |
| M | 688 (13.46) | 507 (9.92) | 499 (9.77) | 212 (4.15) | |
| Age group | |||||
| [1 - 15] | 156 (3.05) | 129 (2.52) | 110 (2.15) | 30 (0.59) | p < 0.0001 |
| [16 - 30] | 572 (11.20) | 178 (3.48) | 161 (3.15) | 143 (2.80) | |
| [31 - 45] | 826 (16.17) | 345 (6.75) | 439 (8.59) | 293 (5.73) | |
| [46 - 60] | 391(7.65) | 316 (6.19) | 305 (5.97) | 136 (2.66) | |
| >60 | 198 (3.88) | 199 (3.90) | 144 (2.82) | 38 (0.74) | |
| Total | 2143 (41.95) | 1167 (22.84) | 1159 (22.69) | 640 (12.52) | |