Table 4. Comparing standard mean differences (SMD) in internalizing and externalizing dimensions.

	25-34y vs. 18-24y	35-44y vs. 18-24y	45-54y vs. 18-24y	55-64y vs. 18-24y	65-75y vs. 18-24y	>75y vs. 18-24y
	SMD (SE)	SMD (SE)	SMD (SE)	SMD (SE)	SMD (SE)	SMD (SE)
Internalizing	-0.05 (0.10)	0.05 (0.10)	0.03 (0.10)	-0.38 (0.11)****	-0.72 (0.14)****	-0.41 (0.23)****
Externalizing	-0.39 (0.09)****	-0.62 (0.10)****	-0.74 (0.14)****	-1.88 (0.32)****	-1.93 (0.40)****	-2.00 (0.23)***

Abbreviations: SMD, standard mean difference; SE, standard error.

Reference group comprises participants aged 18-24 years.

^****p<.001;

^***p<.005;

^**p<.01;

^*p<.05.

Values in bold are statistically significant (two-sided p<.005).