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Table 1 Assessment and levels variables regarding physical activity, its domains, demographic, and risk-related factors used in the analysis

From: Physical activity profile of the Iranian population: STEPS survey, 2016

Physical activity
Variable name Variable assessment Variable levels/unit
Total physical activity The sum of the total MET minutes of work-related, transport-related, and recreational activity MET-minutes per week
Vigorous intensity physical activity Self-reported physical activity that significantly increases the heart beat rate and continues for at least 10 min, in either domains of work or leisure Minutes
Total work-related physical activity Total work-related physical activity in minutes per week Minutes per week
Total transport related physical activity Total transport related physical activity in minutes per week Minutes per week
Total recreational physical activity Total recreational related physical activity in minutes per week Minutes per week
Work no activity Self-reporting of no moderate or vigorous work-related physical activity Yes, No
Transport no activity Self-reporting of no moderate or vigorous transport-related physical activity Yes, No
Recreational no activity Self-reporting of no moderate or vigorous recreational physical activity Yes, No
Sedentary behavior Self-report of total time spent in sedentary more than 4 h per day Yes, No
Sociodemographic
 Sex Report of the interviewer proofed by ID card Male, Female
 Age Report of the interviewee proofed by ID card and categorized by WHO recommendations. 18–24, 25–34, 35–44, 45–54, 55–64, 65–69, 70 ≤
 Residence area Established geographical divisions of the country Rural, Urban
 Marital status Self-report Married, Never married, Divorced or Living alone, Widow
 Occupation Self-report Non-paid or self-paid, Employee of governmental or non-governmental organization, Worker in a public or private section, Student, Soldier, Unemployed or Retired, Housekeeper
 Education Self-report of number of completed education years Illiterate, 1–6 years, 7–12 years, > 12 years
 Wealth index Reduction of dimension in factor of wealth with PCA (Principle component analysis) model 1st (poorest), 2nd, 3rd, 4th, and 5th (richest) quintiles
Life style
 Appropriate fruit and vegetable consumption Self-report of less than 2 units of fruit and 3 units vegetable consumption per day Yes, No
 High salt intake Self-report of equal or more than 5 g salt consumption per day Yes, No
 Smoking Self-report of ever daily smoking Ever smoker, never smoker
 Alcohol consumption Self-report of ever alcohol consumption in the last month Yes, No
 Injury Self-report: any accident resulting in outpatient emergency room management or hospital admission in the last 12 months Yes, No
 Personal car ownership Self-report of ownership of a personal car Yes, No
Metabolic risk factors
 Hypertension Self-report of past or present history of hypertension Yes, No
 Past medical history of cardiovascular disease Self-report past or present history of the myocardial infarction or cerebrovascular event in the past 12 months Yes, No
 Diabetes mellitus Fasting plasma glucose more than 126 Yes, No
 Dyslipidemia Serum total cholesterol levels ≥200 mg/dl (≥5·2 mmol/liter) Yes, No
 Abdominal obesity Waist circumference more than 102 cm in men and 88 cm in women Yes, No
 BMI (body mass index) Calculated as measured weight in kilograms divided by square of measured height in meters > 18·5: Underweight, 18·5–25: Normal, 25–30: Overweight, 30≤: Obese