Road and City Mobility (RCM) is a business unit of Siemens Netherlands. RCM’s core business is to provide infrastructure solutions for its customers. Generally, 80% of RCM’s revenue is generated by projects; the other 20% of the overall revenue is generated by the sales of products (e.g. electronic variable …

Background: Improved preferred gait speed in older adults is associated with increased survival rates. There are inconsistent findings in clinical trials regarding effects of exercise on preferred gait speed, and heterogeneity in interventions in the current reviews and meta-analyses. Objective: to determine …

OBJECTIVES: (1) To study the natural decline in functional capacity (FC) of healthy aging workers; (2) to compare FC to categories of workload; and (3) to study the differences in decline between men and women. DESIGN: Cross-sectional design. SETTING: A rehabilitation center at a university medical center. …

We show how to estimate a Cronbach's alpha reliability coefficient in Stata after running a principal component or factor analysis. Alpha evaluates to what extent items measure the same underlying content when the items are combined into a scale or used for latent variable. Stata allows for testing the reliability …

To examine the association of adolescents' snack and soft drink consumption with friendship group snack and soft drink consumption, availability of snacks and soft drinks at school, and personal characteristics, snack and soft drink consumption was assessed in 749 adolescents (398 girls, 351 boys, age …