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Table 1 Demographic and lifestyle characteristics of study participants (n = 5118).

From: Physical activity and risk of Metabolic Syndrome in an urban Mexican cohort

Age, mean years (SD) 38 (± 11.7)
Sex (%)  
   Men 29.0
   Women 71.0
Education (%)  
   Elementary/secondary education 40.2
   High school 19.7
   Bachelor's degree or higher 40.1
Occupation (%)  
   Administrative staff 33.9
   Technicians and cleaning staff 3.4
   Health employees and students 14.0
   Professors and researchers 13.1
   Housewives, retires and unemployed 22.5
   Others 13.1
Body Mass Index (%)  
   Normal (< 25 kg/m2) 44.2
   Overweight (25–29 kg/m2) 40.6
   Obese (> 30 kg/m2) 15.2
   Mean, kg/m2 (SD) 26 (± 4.5)
Physical activity (%)  
   Leisure-time (< 30 min/day) 78.2
   Workplace (< 3 hours/day) 54.5
Smoking status (%)  
   Current 17.9
   Past 23.8
Alcohol intake (%)  
   Moderate drinkers 49.9
   Heavy drinkers 3.8