Table 1.
The demographic characteristics of the respondents of the case–control study
| Factors | Case (N = 11) | Control (N = 44) | |
|---|---|---|---|
| Age | |||
| 0–30 | 3 (27.3%) | 14 (31.8%) | Fisher exact |
| 31–60 | 7 (63.6%) | 22 (50.0%) | P = 0.733 |
| 61–80 | 1 (9.1%) | 8 (18.2%) | – |
| Gender: | |||
| Male | 7 (63.6%) | 20 (45.5%) | χ2 = 1.164 |
| Female | 4 (36.4%) | 24 (54.5%) | P = 0.1410 |
| Education level: | |||
| Not educated | 3 (27.3%) | 10 (22.7%) | Fisher exact |
| Educated | 8 (72.7%) | 34 (77.3%) | P = 0.5137 |
| Family size | |||
| 1–5 | 2 (18.2%) | 23 (52.3%) | χ2 = 4.125 |
| > 5 | 9 (81.8%) | 21 (47.7%) | P = 0.0423 |
| Monthly income | |||
| < RM 500 | 9 (81.8%) | 35 (79.5%) | χ2 = 0.02841 |
| > RM500 | 2 (18.2%) | 9 (20.5%) | P = 0.8662 |