Age/number of older siblings
|
Na Tot = 51 947
|
3 years
|
5 years
|
3 + 5 years
|
---|
Short-term somatic problems
|
Long-term somatic problems
|
Somatic problems
|
Somatic problems
|
---|
M (95 % CI)
|
M (95 % CI)
|
M (95 % CI)
|
M (95 % CI)
|
---|
<6 years
|
0
|
28 994
|
-
|
-
|
-
| |
1
|
19 384
|
.03 (.01, .05)
|
.07 (.05, .09)
|
.04 (.01, .07)
|
.05 (.03, .08)
|
2+
|
3 569
|
.01 (-.01, .05)
|
-.02 (-.05, .02)
|
-.02 (-.07, .03)
|
-.01 (-.06, .04)
|
6–11 year
|
0
|
44 625
|
-
|
-
|
-
|
-
|
1
|
5 520
|
.02 (-.01, .05)
|
.00 (-.03, .03)
|
.00 (-.04, .04)
|
.01 (-.03, .06)
|
2+
|
1 802
|
-.01 (-.05, .04)
|
-.06 (-.11,-.01)
|
-.05 (-.11, .01)
|
-.05 (-.12, .02)
|
12–18 years
|
0
|
49 622
|
-
|
-
|
-
|
-
|
1
|
1 798
|
.01 (-.04, .06)
|
.01 (-.05, .05)
|
-.02 (-.09, .04)
|
-.01 (-.09, .06)
|
2+
|
527
|
-.08 (-.16, .01)
|
.07 (-.03, .17)
|
.06 (-.06, .18)
|
.08 (-.07, .23)
|
-
aNumbers in the full sample of participants at 3 years of age. Overall sample sizes are 28 768 for 5 years and 24 982 for 3 + 5 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