Table 1.
General Characteristics of Cases and Controls
| Characteristics | Cases | Controls | p- valuea | ||
|---|---|---|---|---|---|
| No. | % | No. | % | ||
| Age gr. (yrs) | 0.981 | ||||
| ≤29 | 10 | 3.9 | 11 | 4.3 | |
| 30-34 | 30 | 11.7 | 28 | 10.9 | |
| 35-39 | 63 | 24.5 | 61 | 23.7 | |
| 40-44 | 154 | 59.9 | 157 | 61.1 | |
| Mean (SD) | 39.20 (4.39) | 39.30 (4.41) | |||
| Min-Max | 25-44 | 25-44 | |||
| Marital status | 0.07 | ||||
| Single | 68 | 26.5 | 84 | 32.7 | |
| Married | 159 | 61.8 | 156 | 60.7 | |
| Widowed/Divorced | 30 | 11.7 | 17 | 6.6 | |
| Education | 0.068 | ||||
| No formal education | 10 | 3.9 | 8 | 3.1 | |
| Primary school | 67 | 26.1 | 52 | 20.2 | |
| Secondary school | 78 | 30.3 | 65 | 25.3 | |
| Higher education | 102 | 39.7 | 132 | 51.4 | |
| Religion | 0.689 | ||||
| Buddhism | 248 | 96.5 | 247 | 96.1 | |
| Islam | 7 | 2.7 | 6 | 2.3 | |
| Christianity | 2 | 0.8 | 4 | 1.6 | |
| Residence | 1 | ||||
| North | 1 | 0.4 | 1 | 0.4 | |
| Northeast | 11 | 4.3 | 11 | 4.3 | |
| Central | 176 | 68.5 | 176 | 68.5 | |
| East | 16 | 6.2 | 16 | 6.2 | |
| West | 48 | 18.7 | 48 | 18.7 | |
| South | 5 | 1.9 | 5 | 1.9 | |
| Occupation | 0.668 | ||||
| Office employee | 92 | 35.8 | 87 | 33.8 | |
| Entrepreneur | 77 | 30 | 85 | 33.1 | |
| Government officer | 73 | 28.4 | 75 | 29.2 | |
| Agriculture | 15 | 5.8 | 10 | 3.9 | |
| Monthly family income (baht) | 0.066 | ||||
| <10,000 | 38 | 14.8 | 34 | 13.2 | |
| 10,000-15,000 | 52 | 20.2 | 48 | 18.7 | |
| 15,001-30,000 | 138 | 53.7 | 124 | 48.2 | |
| >30,000 | 29 | 11.3 | 51 | 19.9 | |
| Mean | 22,740.08 | 24,174.32 | |||
| (SD) | (9,311.92) | (13,541.38) | |||
| Min-Max | 7,000-70,000 | 7,800-95,000 | |||
a
,Chi-square test