Respondent sequence number
Full sample 2 year interview weight
Full sample 2 year MEC exam weight
Masked variance pseudo-PSU
Masked variance pseudo-stratum
Number of days vigorous work
Minutes vigorous-intensity work
Number of days moderate work
Minutes moderate-intensity work
Number of days walk or bicycle
Minutes walk/bicycle for transportation
Days vigorous recreational activities
Minutes vigorous recreational activities
Days moderate recreational activities
Minutes moderate recreational activities
Minutes sedentary activity
Depression based on PHQ-9
Vitamin D deficiency
Physical activity total (MET-h/wk)