| Variables | N | % |
| Age range |
|
|
| 60 - 70 | 138 | 66.0 |
| 71 - 80 | 57 | 27.3 |
| Older than 81 to 93 | 14 | 6.7 |
| Number of children |
|
|
| Up to 3 | 151 | 72.2 |
| 4 or more | 58 | 27.8 |
| Alcoholic beverages |
|
|
| Yes | 122 | 58.4 |
| No | 87 | 41.6 |
| Drinking frequency |
|
|
| Daily | 0 | 0.0 |
| Weekly | 10 | 8.2 |
| Socially | 92 | 75.4 |
| Use of oral contraception |
|
|
| Yes | 81 | 38.8 |
| No | 128 | 61.2 |
| Duration of oral contraception |
|
|
| 1 to 3 years | 18 | 22.2 |
| 4 to 6 years | 13 | 16.1 |
| 7 to 9 years | 20 | 24.7 |
| 10 or more years | 30 | 37.0 |
| Total | 209 | 100.0 |