The Chicago Federal Reserve announced on Monday the Chicago Fed national activity index (CFNAI), a weighted average of 85 different economic indicators, came in at -0.45 in October, sharply down from an unrevised -0.45 in September, pointing to slower economic growth.

Economists had forecast the index to come in at -0.43 in October.

At the same time, the index’s three-month moving average fell to -0.31 in October from -0.21 in September.

According to the report, two of the four broad categories of indicators that make up the index declined from September, and all four categories made negative contributions to the index in October. Production-related indicators made a negative contribution of -0.55 to the CFNAI in October, down from -0.36 in September. Meanwhile, the contribution of the sales, orders, and inventories category to the CFNAI edged up to -0.03 in October from -0.04 in September and the contribution of the personal consumption and housing category to the CFNAI ticked up to -0.03 from -0.05 in September. Employment-related indicators contributed -0.10 to the CFNAI in October, down from +0.01 in September.