|
Age/number of older siblings
|
Na Tot = 51 569
|
3 years
|
5 years
|
8 years
|
|---|
|
Anxiety
|
Hyperactivity/concentration
|
Anxiety
|
Difficult temperament
|
Anxiety
|
|---|
|
M (95 % CI)
|
M (95 % CI)
|
M (95 % CI)
|
M (95 % CI)
|
M (95 % CI)
|
|---|
|
<6 years
|
0
|
28 789
|
-
|
-
|
-
| | |
|
1
|
19 239
|
-.25 (-.26,-.23)
|
-.08 (-.10,-.07)
|
-.16 (-.18,-.13)
|
-.15 (-.18,-.13)
|
-.10 (-.14,-.07)
|
|
2+
|
3 541
|
-.39 (-.42,-.36)
|
-.27 (-.30,-.24)
|
-.27 (-.31,-.22)
|
-.34 (-.39,-.30)
|
-.19 (-.24,-.14)
|
|
6–11 year
|
0
|
44 317
|
-
|
-
|
-
|
-
|
-
|
|
1
|
5 473
|
-.06 (-.09,-.03)
|
-.15 (-.18,-.12)
|
-.05 (-.09,-.01)
|
-.19 (-.22,-.15)
|
-.14 (-.19,-.10)
|
|
2+
|
1 779
|
-.18 (-.23,-.14)
|
-.24 (-.29,-.19)
|
-.13 (-.20,-.07)
|
-.33 (-.39,-.27)
|
-.14 (-.21,-.06)
|
|
12–18 years
|
0
|
49 273
|
-
|
-
|
-
|
-
|
-
|
|
1
|
1 777
|
-.02 (-.07, .03)
|
-.04 (-.09, .01)
|
-.04 (-.11, .03)
|
-.03 (-.10, .04)
|
-.02 (-.11, .07)
|
|
2+
|
519
|
-.08 (-.16, .00)
|
-.08 (-.17, .01)
|
-.06 (-.17, .05)
|
-.11 (-.22,-.01)
|
.07 (-.08, .23)
|
-
aTotal number of participants is for 3 years of age. Overall sample sizes are 28 627 for 5 years and 17 594 for 8 years
- The outcome scores are z-scaled (SD = 1) with no siblings of the indicated ages as reference. The results are adjusted for maternal and paternal educational level, family income, maternal and paternal period of leave from work after birth, maternal breastfeeding status when child is 18 months, and animals in the family. Significant effects (p < 0.05) in bold
