Table 3 The number and proportion of females within specific time interval from chronological and dental age (CA-DA)
Time intervals | Datasets | Chi-square test | ||
|---|---|---|---|---|
French-Canadian | UK Caucasian | Southern Chinese | ||
n (%) | n (%) | n (%) | p | |
3 months | 19 (24%) | 27 (21%) | 35 (27%) | 0.505 |
6 months | 31 (39%) | 49 (38%) | 58 (45%) | 0.480 |
9 months | 46 (58%) | 59 (46%) | 83 (65%) | 0.009* |
12 months | 56 (71%) | 75 (59%) | 102 (80%) | 0.001* |
18 months | 68 (86%) | 99 (77%) | 117 (91%) | 0.007* |
24 months | 74 (94%) | 113 (88%) | 126 (98%) | 0.005* |
30 months | 78 (99%) | 116 (91%) | 128 (100%) | 0.001* |
Total | 79 (100%) | 128 (100%) | 128 (100%) | – |