Variable | Mean (SD) or n (valid%) | Mean (SD) or n (valid%) | Mean (SD) or n (valid%) | T or Χ2 (df) | P-value |
---|---|---|---|---|---|
Total | Case | Control | |||
Age in years | 34.81 (10.33) | 34.53 (10.44) | 35.08 (10.22) | 0.64 (595) | 0.5193 |
Sex | Â | Â | Â | 1.39 (1) | 0.2381 |
 Male | 265 (44.4) | 139 (46.8) | 126 (42.0) |  |  |
 Female | 332 (55.6) | 158 (53.2) | 174 (58.0) |  |  |
Marital status |  |  |  | 26.06(2) |  < 0.0011 |
 Married | 269 (45.1) | 103 (34.7) | 166 (55.3) |  |  |
 Never married | 239 (40.0) | 139 (46.8) | 100 (33.3) |  |  |
 Widow/separated/divorced | 89 (14.9) | 55 (18.5) | 34 (11.3) |  |  |
Highest level of Education |  |  | 67.10(3) |  < 0.0011 | |
 None | 35 (5.9) | 23 (7.7) | 12 (4.0) |  |  |
 Primary | 147 (24.6) | 106 (35.7) | 41 (13.7) |  |  |
 Secondary | 172 (28.8) | 92 (31.0) | 80 (26.7) |  |  |
 Tertiary | 243 (40.7) | 76 (25.6) | 167 (55.7) |  |  |
Occupation |  |  |  | 80.84(2) |  < 0.0011 |
 Unemployed | 217 (36.3) | 143 (48.1) | 74 (24.7) |  |  |
 Formal | 187 (31.3) | 43 (14.5) | 144 (48) |  |  |
 Self | 193 (32.3) | 11(17.4) | 82 (27.3) |  |  |