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Mean and standard deviation of age (years) in education level groups.
| Education groups |
Age (years) | ||||
|---|---|---|---|---|---|
| N | Mean | (SD) | Range | ||
| 0 | 51 | 74.92 | 5.97 | 64-88 | p<0.01 |
| 1-4 | 104 | 75.43 | 7.35 | 60-92 | |
| 5-8 | 52 | 72.09 | 7.09 | 60-85 | |
| 9-11 | 50 | 70.08 | 6.27 | 60-85 | |
| ≥12 | 62 | 69.75 | 6.00 | 60-83 | |
SD, standard deviation.
