(Reuters) - PepsiCo Inc <PEP.N> reported a higher quarterly profit on Thursday, helped by increases in sales volume and prices.

The maker of Gatorade sports drinks and Quaker oatmeal said net income was $1.66 billion, or $1.06 per share, in the fourth quarter, up from $1.42 billion, or 89 cents per share, a year earlier.

Excluding special items, earnings were $1.09 per share.

Net revenue fell 1 percent to $19.95 billion. Excluding the effect of items including structural changes in the company's business, an extra selling week in 2011 and currency exchange rates, revenue increased 5 percent.

(Reporting by Martinne Geller in New York; Editing by Lisa Von Ahn)