A new Northwestern University study says minority youth spend more than half their day consuming media content, a rate that's 4.5 hours greater than their white counterparts.

The "Children, Media and Race: Media Use Among White, Black, Hispanic and Asian American Children" report released Wednesday says television remains king among all young people.

But among minority youth who spend 13 hours per day consuming media of various types, electronic gadgets such as cell phones and iPods increasingly are the way such content gets delivered.

Co-author Ellen Wartella says the study is not meant to blame parents but should serve as a wake-up call. She says increased parental involvement could mitigate potential problems, including child obesity.

Young people in all groups read for pleasure 30 to 40 minutes a day.

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