TABLE 4

Combined Analysis of 32- and 36-Week Data With Parent Visitation

Hourly CountsNo Parent VisitingParent Visiting% Change With Parent PresentSignificance
Hourly adult words
    32 wk+383.0001
        Mean ± SD139 ± 450871 ± 1052
        Median12567
        Range0–43426–3742
    36 wk+220.0001
        Mean ± SD415 ± 7011427 ± 1504
        Median164953
        Range0–546014–7894
Hourly conversational turns
    32 wk+524.0001
        Mean ± SD1 ± 37 ± 11
        Median02
        Range0–190–46
    36 wk+162.0001
        Mean ± SD2 ± 57 ± 9
        Median04
        Range0–590–43
Hourly child vocalizations
    32 wk+173%.0001
        Mean ± SD6 ± 1015 ± 20
        Median18
        Range0–970–87
    36 wk+36%.08
        Mean ± SD11 ± 1816 ± 19
        Median59
        Range0–2130–107