Table 1.

Age in months by likelihood group for each time-point

	10-month time-point M (SD)		15-month time-point M (SD)		25-month time-point M (SD)
Sample	1	2	1	2	1	2
Elevated likelihood	9.28 (.86) n = 155	10.31 (.87) n = 207	15.12 (1.00) n = 182	14.53 (1.04) n = 92	25.61 (1.45) n = 156	24.47 (1.08) n = 156
Typical likelihood	9.17 (.70) n = 41	10.13 (.57) n = 139	15.20 (.98) n = 61	14.48 (.58) n = 68	24.74 (.98) n = 74	24.93 (1.36) n = 101