Massachusetts Mutual Life Insurance Company says 2008 financial results were mixed.

MassMutual, Springfield, Mass., is reporting a $1.1 billion net loss in terms of statutory accounting for 2008 on $19 billion in revenue, compared with $201 million in net income on $19 billion in revenue for 2007.

The net loss was primarily the result of investment market turmoil, MassMutual says.

Net gain from operations before dividends and taxes fell to $1.3 billion, from $2.2 billion.

Premium revenue increased 4%, to about $14 billion, and surplus increased 6%, to $8.5 billion, the company says.

The amount of cash and cash equivalents on hand increased 15%, to $3 billion.

Investment management sales fell 28%, but long term care insurance sales rose 6%, retirement sales rose 13%, and individual disability income sales rose 19%.