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Table 2 Unadjusted and adjusted prevalence ratios for overweight and obesity associated with selected demographic and behavioural factors in ACT Year 6 children, 2006–2018

From: Trends in overweight and obesity by socioeconomic status in Year 6 school children, Australian Capital Territory, 2006–2018

Characteristics Prevalence Ratios (95% CI)
Unadjusted Adjusteda
Demographic factors
 Sex
  Boys Ref. Ref.
  Girls 0.93 (0.85, 1.02) 0.90 (0.82, 0.98)
 Indigenous status
  Non-Indigenous Ref. Ref.
  Indigenous 1.51 (1.25, 1.83) 1.44 (1.19, 1.76)
 ICSEA quintile (school-level)
  Highest (least deprived) Ref. Ref.
  Fourth 1.20 (1.02, 1.41) 1.19 (0.97, 1.46)
  Third 1.29 (1.09, 1.52) 1.27 (1.03, 1.55)
  Second 1.50 (1.29, 1.75) 1.36 (1.12, 1.65)
  Lowest (most deprived) 1.66 (1.43, 1.94) 1.52 (1.25, 1.84)
Behavioural factors
 Physical activity (60 m/d)
  6–7 days per week Ref. Ref.
  3–5 days per week 1.37 (1.24, 1.53) 1.35 (1.21, 1.51)
  0–2 days per week 1.64 (1.44, 1.86) 1.56 (1.37, 1.78)
 TV and computer time weekdays
  0–1 h per day Ref. Ref.
  2–4 h per day 1.38 (1.25, 1.52) 1.29 (1.17, 1.43)
  5 h or more 1.63 (1.40, 1.89) 1.44 (1.23, 1.68)
 Sugar-sweetened drink consumptionb
  Never Ref.
  Less than once a week 1.15 (1.00, 1.33)
  1–3 times a week 1.30 (1.11, 1.52)
  4–6 times a week 1.32 (1.08, 1.61)
  Everyday 1.58 (1.25, 2.00)
 Fast food consumptionb
  Never Ref.
  Less than once a week 1.10 (0.96, 1.26)
  1–3 times a week 1.23 (1.04, 1.44)
  4 times a week or more 1.31 (1.01, 1.71)
  1. aAdjusted for sex, Indigenous status, ICSEA (Index of Community Socio-Educational Advantage), physical activity and screen time
  2. bStepwise regression method was used for selecting variables for inclusion in the multiple regression model. SSD and fast food consumption were not included in the final model because, after adjustment for other factors, the associations were no longer significant