| Sex | Age | Education | Mean | Standard deviations | Number |
| Male | 45 - 55 | Illiterates | 29.8 | 1.6 | 4 |
| semi-illiterates | 30.9 | 0.5 | 4 | ||
| Total | 30.3 | 1.2 | 8 | ||
| 56 - 65 | Illiterates | 31.0 | 1.0 | 10 | |
| semi-illiterates | 31.5 | 1.0 | 13 | ||
| Total | 31.3 | 1.0 | 23 | ||
| 66 - 90 | Illiterates | 30.8 | 1.2 | 7 | |
| semi-illiterates | 29.9 | 2.6 | 5 | ||
| Total | 30.4 | 1.8 | 12 | ||
| Total | Illiterates | 30.7 | 1.2 | 21 | |
| semi-illiterates | 31.0 | 1.5 | 22 | ||
| Total | 30.9 | 1.4 | 43 | ||
| Female | 45 - 55 | Illiterates | 30.0 | 1.1 | 18 |
| semi-illiterates | 31.0 | 1.6 | 7 | ||
| Total | 30.3 | 1.3 | 25 | ||
| 56 - 65 | Illiterates | 29.5 | 1.2 | 11 | |
| semi-illiterates | 30.8 | 1.1 | 2 | ||
| Total | 29.7 | 1.2 | 13 | ||
| 66 - 90 | Illiterates | 28.6 | 2.2 | 17 | |
| semi-illiterates | 30.8 | 0.23 | 2 | ||
| Total | 28.8 | 2.2 | 19 | ||
| Total | Illiterates | 29.4 | 1.7 | 46 | |
| semi-illiterates | 30.9 | 1.3 | 11 | ||
| Total | 29.7 | 1.7 | 57 | ||
| Total | 45 - 55 | Illiterates | 29.9 | 1.2 | 22 |
| semi-illiterates | 31.0 | 1.3 | 11 | ||
| Total | 30.3 | 1.3 | 33 | ||
| 56 - 65 | Illiterates | 30.2 | 1.3 | 21 | |
| semi-illiterates | 31.4 | 1.0 | 15 | ||
| Total | 30.7 | 1.3 | 36 | ||
| 66 - 90 | Illiterates | 29.3 | 2.2 | 24 | |
| semi-illiterates | 30.1 | 2.1 | 7 | ||
| Total | 29.5 | 2.2 | 31 | ||
| Total | Illiterates | 29.8 | 1.7 | 67 | |
| semi-illiterates | 31.0 | 1.4 | 33 | ||
| Total | 30.2 | 1.7 | 100 |