Table 4.
Summary of standardized estimates for the models of infant sleep.
Path | Night Wakings β (SE) | Longest Sleep Period β (SE) | Nighttime Sleep Ratio β (SE) | |||||||
---|---|---|---|---|---|---|---|---|---|---|
| ||||||||||
A | Prematurity (yes vs. no) | −.20 (.14) | −.23 (.12) | −.25 *
(.12) |
.01 (.26) | .01 (.24) | .03 (.24) | −.21 (.25) | −.20 (.24) | −.17 (.25) |
B | Maternal education (years) | −.16 (.20) | −.16 (.21) | −.28 (.24) | .26± (.15) | .27± (.15) | .37 * (.18) | .34 * (.15) | .33 * (.15) | .42 ** (.16) |
C | Infant age at 6-mo visit (days) | −.11 (.13) | −.12 (.14) | −.05 (.15) | .09 (.17) | .10 (.18) | .04 (.18) | −.10 (.15) | −.12 (.15) | −.18 (.15) |
D | Third trimester CRP (mg/L) | −.11 (.19) | .05 (.26) | −.05 (.15) | ||||||
D | Third trimester IL-6 (pg/mL) | −.08 (.09) | −.02 (.16) | .10 (.10) | ||||||
D | Third trimester TNF-α (pg/mL) | −.33± (.17) | .24 (.16) | .41 ** (.14) | ||||||
Model R2 | .11 | .11 | .19 | .10 | .09 | .16 | .19 | .19 | .34 |
Note. CRP = C-reactive protein; IL-6 = interleukin 6; TNF- α = tumor necrosis factor-alpha; Min=minutes.
p < .10
p < .05
p < .01
p < .001.