Table 1.
Age in months (M, SD, range) and sample distribution in all four age groups.
Age group | |||
---|---|---|---|
6–7 months | 8–10 months | 11–14 months | |
Nfemale/Ntotal | 6/10 | 13/15 | 10/17 |
M ageinmonths | 6.79 | 9.68 | 12.77 |
SD ageinmonths | 0.63 | 0.89 | 1.49 |
Rangeageinmonths | 6.07–7.83 | 8.10–10.77 | 11.13–15.13a |
Deviations are due to the procedure of calculating age in months with on average 30 days per month. However, all included infants fitted the age criterion at the time of testing.