Effect of a Nutrition Supplement and Physical Activity Program on Pneumonia and Walking Capacity in Chilean Older People: A Factorial Cluster Randomized Trial
Figure 2
Pneumonia incidence rates per 1,000 py by cluster over 24 mo after enrolment based on 14 clusters in each trial arm.
Closed triangles, nutritional supplement arm (nutritional supplement±physical activity); open diamonds, control arm (no nutritional supplement±physical activity).