Table 5 Results of multiple GEEs analyses with 14 months and 24 months parent-reported measures as outcome variables, the age, sex, and looking measures measured at 5 months as predictors, and twin pair identification as cluster-defining variable
From: Infants’ looking preferences for social versus non-social objects reflect genetic variation
ECBQ self-regulation at 14 months | β | s.e. | 95% CI | Uncorrected P value | FDR threshold |
|---|---|---|---|---|---|
Age (in days, scaled) | −0.08 | 0.06 | −0.19 to 0.03 | 0.159 | 0.01 |
Sex (reference level: female) | 0.06 | 0.12 | −0.17 to 0.29 | 0.608 | 0.04 |
Face orienting (proportion of first look at the face) | 0.07 | 0.05 | −0.04 to 0.17 | 0.215 | 0.02 |
Preference for face (proportion on face) | <0.01 | 0.06 | −0.11 to 0.11 | 0.935 | 0.05 |
No. of objects explored (in 0–10 s) | 0.04 | 0.05 | −0.05 to 0.14 | 0.377 | 0.03 |
ECBQ self-regulation at 24 months | β | s.e. | 95% CI | Uncorrected P value | FDR threshold |
|---|---|---|---|---|---|
Age (in days, scaled) | 0.05 | 0.07 | −0.09 to 0.19 | 0.475 | 0.03 |
Sex (reference level: female) | −0.38 | 0.13 | −0.63 to −0.13 | 0.003 | 0.01 |
Face orienting (proportion of first look at the face) | 0.06 | 0.06 | −0.04 to 0.17 | 0.248 | 0.02 |
Face preference (proportion on face) | 0.04 | 0.06 | −0.08 to 0.15 | 0.548 | 0.05 |
No. of objects explored (in 0–10 s) | 0.03 | 0.05 | −0.07 to 0.14 | 0.530 | 0.04 |
ITC social communication at 14 months | β | s.e. | 95% CI | Uncorrected P value | FDR threshold |
|---|---|---|---|---|---|
Age (in days, scaled) | 0.07 | 0.07 | −0.07 to 0.21 | 0.348 | 0.04 |
Sex (reference level: female) | −0.27 | 0.12 | −0.51 to −0.03 | 0.030 | 0.02 |
Face orienting (proportion of first look at the face) | −0.01 | 0.06 | −0.12 to 0.11 | 0.918 | 0.05 |
Face preference (proportion on face) | 0.13 | 0.06 | 0.02 to 0.24 | 0.026 | 0.01 |
No. of objects explored (in 0–10 s) | 0.10 | 0.05 | 0.01 to 0.20 | 0.031 | 0.03 |
CDI receptive vocabulary at 14 months | β | s.e. | 95% CI | Uncorrected P value | FDR threshold |
|---|---|---|---|---|---|
Age (in days, scaled) | 0.15 | 0.06 | 0.04 to 0.27 | 0.007 | 0.01 |
Sex (reference level: female) | −0.34 | 0.13 | −0.59 to −0.09 | 0.008 | 0.02 |
Face orienting (proportion of first look at the face) | −0.01 | 0.05 | −0.11 to 0.08 | 0.809 | 0.05 |
Face preference (proportion on face) | 0.14 | 0.06 | 0.03 to 0.25 | 0.014 | 0.03 |
No. of objects explored (in 0–10 s) | 0.07 | 0.05 | −0.02 to 0.16 | 0.142 | 0.04 |
CDI expressive vocabulary at 24 months | β | s.e. | 95% CI | Uncorrected P value | FDR threshold |
|---|---|---|---|---|---|
Age (in days, scaled) | 0.21 | 0.05 | 0.11 to 0.31 | <0.001 | 0.02 |
Sex (reference level: female) | −0.58 | 0.14 | −0.85 to −0.32 | <0.001 | 0.01 |
Face orienting (proportion of first look at the face) | −0.01 | 0.05 | −0.11 to 0.09 | 0.872 | 0.05 |
Face preference (proportion on face) | 0.04 | 0.06 | −0.08 to 0.15 | 0.550 | 0.04 |
No. of objects explored (in 0–10 s) | 0.10 | 0.05 | <0.01 to 0.20 | 0.046 | 0.03 |
