NEW YORK ( TheStreet) -- The U.S. work force added 157,000 jobs in January, the Labor Department said Friday.

The unemployment rate rose to 7.9% from 7.8% the previous month.

Payrolls were expected by economists to have risen by 160,000 last month after rising 155,000 in December, according to a Reuters survey. The unemployment rate was forecast to have remained at 7.8% for a third straight month.

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