<p><span style="font-size:12pt;">The m</span><span style="font-size:12pt;">ediation effect of activities of daily living and mobility upon moderate leisure time physical activity and life satisfaction of older adults in the </span><span style="font-size:12pt;">U</span><span style="font-size:12pt;">nited </span><span style="font-size:12pt;">S</span><span style="font-size:12pt;">tates</span></p>