Table 1

Baseline characteristics of participants by level of total physical activity

Variable*Total physical activity (MET-hours/day)
0–8.98.9–14.314.3–22.022.0–33.4≥33.4
(n=91 228)(n=91 110)(n=92 604)(n=92 655)(n=93 340)
Age (SD), years58.4 (10.9)54.7 (10.6)50.5 (10.0)48.5 (9.2)47.1 (8.2)
Female, %53.368.461.757.250.6
Socioeconomic and lifestyle factors
Urban region, %53.748.446.337.232.5
≥9 years of education, %17.823.425.421.617.1
Household income ≥¥35 000/year, %15.320.821.117.414.3
Ever regular smoking, %
 Male69.367.965.967.367.7
 Female3.52.72.52.52.5
Weekly drinking, %
 Male30.734.934.434.934.5
 Female1.92.02.12.32.4
Total physical activity (SD), MET-hours/day5.9 (2.5)11.8 (1.6)17.8 (2.2)27.1 (3.3)42.1 (8.3)
Sedentary leisure time (SD), hours/day3.6 (1.8)3.3 (1.5)3.0 (1.4)2.7 (1.4)2.6 (1.3)
Blood pressure and anthropometry
SBP (SD), mm Hg131.8 (23.2)131.4 (22.0)130.7 (20.7)130.3 (20.2)129.3 (19.4)
RPG (SD), mmol/L6.2 (2.9)6.1 (2.5)6.0 (2.2)6.0 (2.0)5.9 (1.8)
BMI (SD), kg/m223.9 (3.6)23.8 (3.5)23.7 (3.3)23.4 (3.2)23.3 (3.1)
Waist circumference (SD), cm81.2 (10.3)80.9 (9.8)80.3 (9.7)79.5 (9.4)78.9 (9.0)
Hip circumference (SD), cm91.3 (7.5)91.3 (7.1)91.0 (6.8)90.5 (6.4)90.0 (6.1)
Waist to hip ratio (SD)0.89 (0.07)0.89 (0.07)0.88 (0.07)0.88 (0.07)0.87 (0.07)
Per cent body fat (SD), %28.6 (9.0)28.4 (8.6)27.8 (8.1)27.3 (8.0)26.8 (7.8)
Height (SD), cm158.8 (8.3)159.0 (8.0)159.0 (8.4)158.7 (8.4)157.8 (7.9)
Disease history, %
Diabetes7.86.35.34.43.6
Coronary heart disease3.53.12.62.11.5
Stroke or TIA3.21.61.21.10.9
Hypertension13.912.810.89.58.6
Family history of diabetes4.85.35.35.04.8
Family history of cancer13.713.814.014.313.6
  • *Results were standardised by age, sex and region (where appropriate). Values are means unless otherwise stated.

  • BMI, body mass index; MET, metabolic equivalent of task; RPG, random plasma glucose; SBP, systolic blood pressure; TIA, transient ischaemic attack.