Table 4.
Two-Level Estimates of the Change in BPI Subscales for Boys after the Birth of a Younger Sibling, according to Intention Status of Younger Sibling’s Birth (standard errors in parentheses), n=492 subjects, 575 observations
| Antisocial | Anxious | Conflict | Dependent | Headstrong | Hyperactive | |
|---|---|---|---|---|---|---|
| PANEL A. Combined Measure of Unintended Births | ||||||
| Intention Status of Younger Sibling’s Birth | ||||||
| (Intended) | Reference | Reference | Reference | Reference | Reference | Reference |
| Unintended |
1.53†
(1.12) |
1.99*
(1.08) |
1.93* (1.10) |
1.24 (1.07) |
1.70*
(1.01) |
1.54
†
(1.14) |
| Assessment before younger sibling’s birth |
.43***
(.04) |
.39***
(.04) |
.30***
(.04) |
.27***
(.04) |
.48***
(.04) |
.43***
(.04) |
| −2 Res Log Likelihood | 4459.1 | 4424.4 | 4453.7 | 4417.6 | 4349.6 | 4481.1 |
|
| ||||||
| PANEL B. Separate Measures of Mistimed and Unwanted Births | ||||||
| Intention Status of Younger Sibling’s Birth | ||||||
| (Intended) | Reference | Reference | Reference | Reference | Reference | Reference |
| Unwanted | .37 (1.51) |
1.90†
(1.47) |
−.51 (1.50) |
.41 (1.45) |
.97 (1.37) |
1.27 (1.54) |
| Mistimed |
2.28*
(1.28) |
2.10*
(1.24) |
3.53**
(1.26) |
1.84†
(1.22) |
2.18*
(1.16) |
1.78†
(1.30) |
| Assessment before younger sibling’s birth |
.43***
(.04) |
.39***
(.04) |
.29***
(.04) |
.26
(.04) |
.48
(.04) |
.43
(.04) |
†
p<.10
*
p<.05
**
p<.01
***
p<.001
one-tailed tests.