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Table 3 Mean greenhouse gas emissions per 2,000 kcal by diet type and sex

From: Dietary greenhouse gas emissions of meat-eaters, fish-eaters, vegetarians and vegans in the UK

  Men (observed values) Women (observed values) Adjusted for age and sex
  N Mean dietary GHG emissions (kgCO2e) SD N Mean dietary GHG emissions (kgCO2e) SD Mean dietary GHG emissions (kgCO2e) 95 % CIs
All meat-eaters 6,380 5.93 2.01 22,759 5.71 1.75   
High meat-eaters ( ≥ 100 g/day) 2,310 7.26 2.11 5,976 7.17 1.94 7.19 (7.16, 7.22)
Medium meat-eaters (50–99 g/day) 2,654 5.66 1.60 9,317 5.62 1.38 5.63 (5.61, 5.65)
Low meat-eaters ( < 50 g/day) 1,866 4.67 1.35 7,466 4.67 1.05 4.67 (4.65, 4.70)
Fish-eaters 1,448 3.94 1.12 6,675 3.90 0.88 3.91 (3.88, 3.94)
Vegetarians 3,641 3.85 1.29 12,110 3.80 0.93 3.81 (3.79, 3.83)
Vegans 747 2.94 1.25 1,294 2.87 0.90 2.89 (2.83, 2.94)
  1. SD, Standard deviation; CIs, Confidence intervals; N, Number of Participants
  2. kgCO2e, kilograms of carbon dioxide equivalents