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Table 3 Rate ratios (with 95% confidence intervals) from Poisson regression models for core and non-core food exposures, from models accounting for ethnicity, gender, and age (model 1) and extended model including school decile group (model 2)

From: Children’s everyday exposure to food marketing: an objective analysis using wearable cameras

  Core Foods Non-core Foods
Variable Rate ratio (95% CI) Rate ratio (95% CI)
MODEL 1. Ethnicity, Gender, Age
 Ethnicity
  NZE 1 (reference) 1 (reference)
  Māori 1.55 (0.68, 3.56) 1.18 (0.90, 1.55)
  Pacific 0.98 (0.59, 1.61) 0.99 (0.84, 1.16)
 Gender
  Female 1 (reference) 1 (reference)
  Male 0.84 (0.62, 1.15) 1.03 (0.83, 1.27)
Age (per year*) 1.28 (0.98, 1.69) 0.97 (0.78, 1.21)
MODEL 2. Model 1 + School decile group
 Ethnicity
  NZE 1 (reference) 1 (reference)
  Māori 1.70 (0.78, 3.69) 1.23 (0.94, 1.62)
  Pacific 1.15 (0.70, 1.88) 1.06 (0.91, 1.23)
 Gender
  Female 1 (reference) 1 (reference)
  Male 0.88 (0.61, 1.28) 1.03 (0.81, 1.30)
Age (per year*) 1.19 (0.90, 1.58) 0.97 (0.79, 1.21)
 School decile group
  Low (1–3) 1.18 (0.80, 1.73) 0.90 (0.77, 1.06)
  Middle (4–7) 1 (reference) 1 (reference)
  High (8–10) 1.60 (1.03, 2.48) 1.05 (0.87, 1.27)
  1. * Rate ratio for a one year difference in age