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Table 2 Changes in motivation to reduce alcohol consumption and in consumption of alcohol in January and December

From: Temporal patterns of alcohol consumption and attempts to reduce alcohol intake in England

  Motivation to reduce alcohol consumption
Model 1a Model 2a Model 3b
OR 95 % CI OR 95 % CI OR 95 % CI
Reference (other months) 1 - 1 - 1 -
 January 1.36 1.12 – 1.64 1.33 1.10–1.61 1.38 1.13–1.70
 December    0.85 0.69–1.05 0.85 0.68–1.05
Differential motivation sub-groups (model 3 plus interactions)
Interaction P-valuec
 Age (6 categories) 0.76
 Sex (2 categories) 0.53
 Social class (5 categories) 0.29
 Occupation (7 categories) 0.16
 Education (9 categories) 0.85
Alcohol consumption indicators
  OR 95 % CI OR 95 % CI OR 95 % CI
Any alcohol consumptiond
 reference (other months) 1 - 1 - 1 -
  January 0.95 0.88–1.04 0.94 0.86–1.02 0.92 0.84–1.01
  December    0.88 0.81–0.96 0.86 0.79–0.95
Average number of drinks per occasione
 reference (other months) 1 - 1 - 1 -
  January 0.97 0.88–1.06 0.97 0.89–1.07 0.94 0.85–1.04
  December    1.04 0.95–1.14 1.04 0.0.94–1.15
Higher risk drinkingd
 reference (other months) 1 - 1 - 1 -
  January 0.98 0.90–1.08 0.98 0.90–1.08 0.96 0.87–1.06
  December    1.00 0.91–1.10 0.99 0.90–1.06
Regular, at least weekly, binge drinking (>6 drinks per occasion)d
 reference (other months) 1 - 1 - 1 -
  January 0.97 0.82–1.14 0.97 0.83–1.15 0.92 0.77–1.11
  December    1.06 0.90–1.25 1.05 0.88–1.25
Cumulative consumptionf
 reference (other months) 1 - 1 - 1 -
  January 1.01 0.97–1.04 1.01 0.98–1.04 1.00 1.00–1.00
  December    1.03 0.99–1.06 1.02 0.99–1.03
  1. aalso adjusted for time to account for linear in/decreases over time
  2. badjusted for time, age, sex, social class, education and occupation
  3. cStatistically significant (P < 0.05) difference in motivation for any of the interactions was only observed for retired participants (OR = 2.78 (95 % CI 1.12–6.36))
  4. dquasibinomial regression model
  5. eordinal regression model
  6. fgeneralized linear model
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