Table 2. Attrition analysis of variables measured at 42 years according to complete data at 16 years.

	Included (n=1,787)	Excluded (n=6,125)	p-value	Cramer’s V
Sex (male)	60.7	50.8	<0.001	0.083
Education			<0.001	0.163
None	16.6	30.1
Up to high school	45.4	47.0
More than high school	38.0	23.0
Elevated psychological distress (Malaise inventory)	15.3	18.8	0.001	0.038
TV-viewing during weekdays (at least 3h/day)	20.5	27.3	<0.001	0.064
TV-viewing during weekends (at least 3h/day)	41.7	47.5	<0.001	0.049

Note. Values are presented in frequencies.