Table III.
Differences in the home reading environment at 6, 12, 18, and 24 months of age∗
| Outcomes | Standard arm n = 60 | Early literacy arm n = 60 | P value |
|---|---|---|---|
| 6-mo StimQ Score† (SD) | n = 40 | n = 50 | |
| Total | 9.4 (3.2) | 11.0 (2.1) | .006 |
| Number of board books | 4.0 (5.0) | 5.4 (4.1) | .12 |
| Frequency d/wk | 3.1 (2.3) | 3.8 (2.1) | .10 |
| 12-mo StimQ Score† (SD) | n = 50 | n = 54 | |
| Total | 13.1 (2.5) | 13.5 (2.3) | .45 |
| Number of board books | 10.1 (11.0) | 11.3 (11.4) | .58 |
| Frequency d/wk | 4.6 (1.7) | 4.6 (1.6) | .99 |
| 18-mo StimQ Score† (SD) | n = 50 | n = 50 | |
| Total | 12.8 (2.1) | 12.9 (2.1) | .89 |
| Number of board books | 9.7 (9.8) | 11.2 (15.5) | .58 |
| Frequency d/wk | 4.7 (1.5) | 4.5 (1.7) | .49 |
| 24-mo StimQ Score† (SD) | n = 45 | n = 49 | |
| Total | 12.6 (2.7) | 13.0 (2.3) | .42 |
| Number of board books | 12.2 (14.2) | 12.7 (14.0) | .87 |
| Frequency d/wk | 4.4 (1.7) | 4.3 (1.8) | .80 |
∗
Participants were age <1 month old, Medicaid-eligible, and attended a participating primary care practice.
†
StimQ Score refers to the SQRS, which is a validated measure of the home reading environment and contains questions on the frequency of parent-child reading activity and the number and variety of books at home.