Grandparent mental health history | N | Mean SDQ | 95% CI | Test statistic | p-value | |
---|---|---|---|---|---|---|
B cohort (4–5 Years) | ||||||
Maternal grandmother | No | 2194 | 8.1 | 7.9–8.3 | t(1207.8) = 4.1 | <.001 |
Yes | 751 | 8.9 | 8.5–9.2 | |||
Maternal grandfather | No | 2464 | 8.2 | 8.0–8.4 | t(653.7) = 3.1 | .002 |
Yes | 475 | 9.0 | 8.6–9.4 | |||
Paternal grandmother | No | 2083 | 8.0 | 7.8–8.3 | t(914.4) = 1.7 | .083 |
Yes | 562 | 8.3 | 8.0–8.7 | |||
Paternal grandfather | No | 2332 | 8.0 | 7.8–8.2 | t(401.5) = 1.9 | .052 |
Yes | 316 | 8.7 | 8.2–9.3 | |||
K cohort (8–9 Years) | ||||||
Maternal grandmother | No | 2159 | 7.3 | 7.0–7.5 | t(1205.8) = 3.6 | <.001 |
Yes | 736 | 8.1 | 7.7–8.5 | |||
Maternal grandfather | No | 2447 | 7.2 | 7.0–7.4 | t(565.4) = 4.4 | <.001 |
Yes | 436 | 8.8 | 8.2–9.3 | |||
Paternal grandmother | No | 2066 | 6.9 | 6.7–7.1 | t(703.0) = 3.1 | .002 |
Yes | 486 | 7.7 | 7.3–8.2 | |||
Paternal grandfather | No | 2233 | 6.9 | 6.7–7.2 | t(396.7) = 2.2 | .027 |
Yes | 318 | 7.7 | 7.2–8.3 | |||
Total | ||||||
Maternal grandmother | No | 4353 | 7.7 | 7.5–7.9 | t(2419.2) = 5.4 | <.001 |
Yes | 1487 | 8.5 | 8.2–8.8 | |||
Maternal grandfather | No | 4911 | 7.7 | 7.5–7.9 | t(1219.2) = 5.4 | .002 |
Yes | 911 | 8.9 | 8.5–9.2 | |||
Paternal grandmother | No | 4149 | 7.5 | 7.3–7.6 | t(1612.2) = 3.7 | <.001 |
Yes | 1048 | 8.0 | 7.7–8.4 | |||
Paternal grandfather | No | 4565 | 7.5 | 7.3–7.7 | t(798.7) = 2.9 | .004 |
Yes | 634 | 8.2 | 7.7–8.7 |