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Table 3 Percentage of Australian adults classified as ‘high-risk’a, based on reporting insufficient moderate to vigorous-intensity physical activity (MVPA), insufficient strength training participation, and high sedentary time - overall and by sociodemographic and health-related factors

From: The descriptive epidemiology of total physical activity, muscle-strengthening exercises and sedentary behaviour among Australian adults – results from the National Nutrition and Physical Activity Survey

  Current studyb Population-weighted estimatesc ‘High-risk’a
  n N % (95 % CI)e
Total 867 1,500,637 8.9 (8.1–9.6)
Sex    
 Male 450 805,012 9.6 (8.5–10.7)
 Female 417 695,626 8.1 (7.0–9.2)
p-value    0.04*
Age    
 18–24 years 53 136,364 6.1 (4.1–8.2)
 25–34 years 146 287,331 9.1 (7.6–10.7)
 35–44 years 172 325,118 10.4 (8.7–12.0)
 45–54 years 165 271,123 9.0 (7.2–10.9)
 55–64 years 158 263,115 10.3 (7.9–12.7)
 65–74 years 108 119,006 7.1 (5.3–9.0)
  ≥ 75 years 65 98,581 8.1 (5.8–10.4)
p-value    0.49e
Education level    
 Low (<Year 12 and no non-school qualification) 260 432,408 10.2 (8.8–11.7)
 Medium (Year 12, diploma or certificate) 388 726,351 8.8 (7.5–10.1)
 High (Degree or higher degree) 210 322,979 7.6 (6.3–8.9)
p-value    0.01*
Self-assessed health    
 Excellent 1532 291,2947 4.9 (3.5–6.3)
 Very good 3299 612,7479 7.4 (6.3–8.5)
 Good 2950 5,297,893 9.4 (7.9–11.0)
 Fair 1155 1,927,885 14.3 (11.4–17.2)
 Poor 443 684,920 18.8 (13.8–23.8)
p-value    <0.001*
Body Mass Index (kg/m2)    
 Underweight (<18.5) 121 280,115 7.2 (1.0–13.4)
 Normal (18.5–25) 2723 5,228,776 7.1 (5.8–8.5)
 Overweight (25–30) 2889 5,253,598 7.1 (5.70–8.50)
 Obese (≥30) 2191 3,757,075 12.3 (10.3–14.3)
p-value    0.002*
Smoking status    
 Never smoked 373 701,268 8.0 (7.0–9.1)
 Ex-smoker 276 438,185 8.4 (7.1–9.6)
 Current smoker 218 361,185 12.1 (10.2–14)
p-value    <0.001*
  1. a‘High risk’ group defined as: insufficient MVPA (<150 min/week); AND insufficient strength training participation (<2 sessions/week); AND being classified as ‘high-sedentary’ (≥480 min/day)
  2. bNational Nutrition and Physical Activity Survey (NNPAS) 2011–12 respondents
  3. cReplicate weights generated from the Australian Bureau of Statistics - Australian Health Survey: Users' Guide, 2011–13 - 4363.0.55.001
  4. dPercentages are weighted and are given relative to the total number within each sociodemographic and health-related variable
  5. eWhereas the trend test was not significant for age group, the X 2 test for overall association was 0.020
  6. *p < 0.05: X 2 test for overall association for sex and trend for the other sociodemographic and health-related variables