| Males | Females | t-value | p-value | ||
---|---|---|---|---|---|---|
Age | Mean | SD | Mean | SD | Â | Â |
20-29 | 6.69 | 0.70 | 6.57 | 0.66 | 2.89 | p = 0.005 |
30-39 | 7.12 | 0.68 | 6.79 | 0.63 | 5.23 | p < 0.001 |
40-49 | 7.59 | 0.70 | 7.29 | 0.66 | 7.82 | p < 0.001 |
50-59 | 8.07 | 0.76 | 7.82 | 0.70 | 4.97 | p < 0.001 |
60-69 | 8.73 | 0.81 | 8.26 | 0.72 | 4.95 | p < 0.001 |
70-74 | 9.35 | 1.00 | 8.71 | 0.75 | 1.88 | p = 0.071 |