| Study Area | Place of Residence |  | |||||
---|---|---|---|---|---|---|---|---|
 | Study Group n (%) | Control Group n (%) | χ2, (p) | Tribal n (%) | Non-tribal n (%) | χ2, (p) | Totala | |
Consanguinity | Y | 794 (17.4) | 848 (17.4) | 8.12 (0.004) | 651 (21.2) | 991 (17.1) | 22.3 (<0.001) | 1642 (18.5) |
N | 3771 (82.6) | 3446 (82.6) | 2418 (78.8) | 4799 (82.9) | 7217 (81.5) | |||
Heavy work in last 6 months | Y | 708 (16.2) | 869 (21.3) | 36.57 (<0.001) | 882 (31.5) | 695 (12.3) | 453.6 (<0.001) | 1577 (18.7) |
N | 3664 (83.8) | 3206 (78.7) | 1919 (68.5) | 4951 (87.7) | 6870 (81.3) | |||
Tobacco | Y | 234 (4.9) | 283 6.2) | 7.64 (0.006) | 406 (12.3) | 111 (1.9) | 443.4 (<0.001) | 517 (5.6) |
N | 4523 (95.1) | 4257 (93.8) | 2892 (87.7) | 5888 (98.1) | 8780 (94.4) | |||
Alcohol | Y | 26 (0.6) | 18 (0.4) | 1.15 (0.283) | 27 (0.8) | 17 (0.3) | 12.5 (<0.001) | 44 (0.5) |
N | 4668 (99.4) | 4488 (99.6) | 3271 (99.2) | 5885 (99.7) | 9156 (99.5) | |||
Exposure to pesticides | Y | 78 (1.6) | 131 (2.9) | 16.57 (<0.001) | 93 (2.8) | 116 (1.9) | 7.8 (<0.001) | 209 (2.3) |
N | 4671 (98.4) | 4389 (97.1) | 3184 (97.2) | 5876 (98.1) | 9060 (97.7) | |||
Domestic violence | Y | 32 (0.7) | 42 (0.9) | 1.90 (0.167) | 48 (1.5) | 26 (0.4) | 25.6 (<0.001) | 74 (0.8) |
N | 4683 (99.3) | 4445 (99.1) | 3239 (98.5) | 5889 (99.6) | 9128 (99.2) | |||
Existing illness | Y | 95 (2.0) | 109 (2.4) | 1.57 (0.209) | 40 (1.2) | 164 (2.8) | 23.9 (<0.001) | 204 (2.2) |
N | 4591 (98.0) | 4409 (97.6) | 3258 (98.8) | 5742 (97.2) | 9000 (97.8) |