Lifestyle and metabolic factors affect risk for meningioma in women: a prospective population-based study (The Cohort of Norway).

Although individual categories of physical activity were not significantly associated, there was a negative trend between increasing physical activity and meningioma risk (HR 0.81; 95% CI 0.68–0.96) ( Figure 2 ).

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However, women with two or more children had a reduced risk of meningioma, and there was a significant trend for risk reduction per child born (HR 0.86; 95% CI 0.76–0.99) ( Table 2 ). 3.4.

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