Table 1.
sociodemographic characteristics of cases and controls
| Variables | Case N= 497 n (%) | Control N= 997 n (%) | X2 | P-value |
|---|---|---|---|---|
| Mean age ± SD (years) | 37.7 ± 11.7 | 38.1± 11.7 | 0.2309 | |
| Age group (years) | ||||
| Age < 50 | 407 (81.9) | 832 (83.5) | ||
| Age ≥ 50 | 90 (18.1) | 165 (16.5) | 0.482 | 0.487 |
| Sex | ||||
| Male | 310 (62.4) | 555 (55.7) | 6.121 | 0.013* |
| Female | 187 (37.6) | 442 (44.3) | ||
| Ethnicity | ||||
| Igbo | 101 (20.3) | 268 (26.9) | 16.531 | 0.001* |
| Yoruba | 190 (38.2) | 390 (39.1) | ||
| Hausa | 59 (11.9) | 130 (13.0) | ||
| Others | 147 (29.6) | 209 (21.0) | ||
| Marital status | ||||
| Ever married | 339 (68.2) | 682 (68.4) | 0.006 | 0.939 |
| Single | 158 (31.8) | 315 (31.6) | ||
| Religion | ||||
| Islam | 115 (25.1) | 229 (23.2) | 0.155 | 0.694 |
| Christianity | 362 (75.9) | 759 (76.8) | ||
| Educational status | ||||
| Secondary and lower | 101 (20.3) | 203 (20.4) | 0.986 | 0.251 |
| Tertiary | 396 (79.7) | 794 (79.6) | ||
| Occupation | ||||
| Health workers | 102 (20.5) | 183 (18.4) | 1.010 | 0.315 |
| Others | 395 (79.5) | 814 (81.6) |
*
Significant variables