Table 1: Comparison of the characteristics of the cases and control groups.
| Characteristics | Cases | Controls | P value | ||
|---|---|---|---|---|---|
| Number | Percent | Number | Percent | ||
| Gender | 0.001 | ||||
| Male | 20 | 20.2 | 52 | 52.5 | |
| Female | 79 | 79.8 | 47 | 47.5 | |
| Age group (yr) | 0.001 | ||||
| 14–29 | 28 | 28.6 | 18 | 18.2 | |
| 30–39 | 36 | 36.7 | 36 | 36.4 | |
| 40–49 | 27 | 27.5 | 16 | 16.2 | |
| ≥50 | 7 | 7.14 | 29 | 29.2 | |
| Marital status | 0.074 | ||||
| Married | 69 | 69.0 | 80 | 80.0 | |
| Single | 25 | 25.0 | 19 | 19.0 | |
| Widow& Divorced | 6 | 6.0 | 1 | 1.0 | |
| Educational level | 0.215 | ||||
| Primary school | 19 | 19.2 | 14 | 14.0 | |
| Secondary school | 15 | 15.1 | 15 | 15.0 | |
| High school | 29 | 29.3 | 43 | 43.0 | |
| Academic | 36 | 36.4 | 28 | 28.0 | |
| Positive family history | 0.435 | ||||
| No | 89 | 89.9 | 92 | 93.9 | |
| Yes | 10 | 10.1 | 6 | 6.1 | |
| Smoking status | 0.001 | ||||
| Nonsmoker | 92 | 93.9 | 73 | 73.0 | |
| Smoker | 6 | 6.1 | 27 | 27.0 | |
| Exclusive breast feeding | 0.007 | ||||
| Yes | 78 | 83.9 | 94 | 95.9 | |
| No | 15 | 16.1 | 4 | 4.1 | |
| History of measles | 0.180 | ||||
| No | 48 | 57.1 | 44 | 46.8 | |
| Yes | 36 | 42.9 | 50 | 53.2 | |
| Season of birth | 0.089 | ||||
| Spring | 23 | 23.0 | 33 | 33.0 | |
| Summer | 27 | 27.0 | 31 | 31.0 | |
| Autumn | 29 | 29.0 | 15 | 15.0 | |
| Winter | 21 | 21.0 | 21 | 21.0 | |
| Blood group | 0.349 | ||||
| AB | 5 | 7.0 | 14 | 14.0 | |
| A | 21 | 29.6 | 22 | 22.0 | |
| B | 20 | 28.2 | 24 | 24.0 | |
| O | 25 | 35.2 | 40 | 40.0 | |
| Blood Rh | 0.349 | ||||
| Negative | 13 | 17.8 | 24 | 24.7 | |
| Positive | 60 | 82.2 | 73 | 75.3 | |
| BMI | 0.054 | ||||
| Normal weight | 26 | 56.5 | 39 | 39.0 | |
| Underweight | 3 | 6.5 | 3 | 3.0 | |
| Overweight obesity | 17 | 37.0 | 58 | 58.0 | |
| Type of personality | 0.101 | ||||
| B | 28 | 28.6 | 40 | 40.0 | |
| A | 70 | 71.4 | 60 | 60.0 | |