Table:
Park use measurement	Sample mean (%)
Loops empty (% of observations)	35.1
Average use per hour	3.8 persons/hr
Average use per week	291 persons hr/week
Average use by sex
Females	1.6/hr (43)
Males	2.1/hr (57)
Average use by age group
Children	1.0/hr (27)
Teens	0.4/hr (11)
Adults	2.0/hr (54)
Seniors	0.3/hr (8)
Apparent race/ethnicity of users
Latino	1.1/hr (29)
African American	0.9/hr (24)
White	1.5/hr (39)
Asian and other	0.3/hr (8)
Observed activity levels of users
Sedentary	0.2/hr (5)
Moderate	2.9/hr (76)
Vigorous	0.7/hr (18)

Render the table in Markdown format.

| Park use measurement | Sample mean (%) | 
 | --- | --- | 
 | Loops empty (% of observations) | 35.1 | 
 | Average use per hour | 3.8 persons/hr | 
 | Average use per week | 291 persons hr/week | 
 | Average use by sex | 
 | Females | 1.6/hr (43) | 
 | Males | 2.1/hr (57) | 
 | Average use by age group | 
 | Children | 1.0/hr (27) | 
 | Teens | 0.4/hr (11) | 
 | Adults | 2.0/hr (54) | 
 | Seniors | 0.3/hr (8) | 
 | Apparent race/ethnicity of users | 
 | Latino | 1.1/hr (29) | 
 | African American | 0.9/hr (24) | 
 | White | 1.5/hr (39) | 
 | Asian and other | 0.3/hr (8) | 
 | Observed activity levels of users | 
 | Sedentary | 0.2/hr (5) | 
 | Moderate | 2.9/hr (76) | 
 | Vigorous | 0.7/hr (18) |