Promoting Physical Activity Among Older Adults Using Community-Based Participatory Research With an Adapted PRECEDE-PROCEED Model Approach: The AEQUIPA/OUTDOOR ACTIVE Project.

Thus, we might have missed determinants that are relevant for physical activity but that failed reaching statistically significance (false negatives).This might introduce bias, 37 however, since we also drew information from the qualitative studies, and included determinants that were mentioned in these studies, although they did not reach statistical significance in the quantitative study, the danger of omitting variables is reduced compared to purely quantitative studies.

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