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Table 1 Distribution and transitions in average weekly consumption and frequency in hazardous drinking for all young adult respondents (N = 1,260; percentages in parentheses for non-missing respondents and data)

From: Do changes in social and economic factors lead to changes in drinking behavior in young adults? Findings from three waves of a population based panel study

Drinking behavior variable/transitiona,b Wave 3 Wave 3 to 5 transition Wave 5 Wave 5 to 7 transition Wave 7
Average weekly consumption N = 1,050 (current drinkers only) N = 1,130 (drinkers in both waves) N = 1,005 (current drinkers only) N = 1,140 (drinkers in both waves) N = 1,000 (current drinkers only)
Mean (standard deviation) 7.45 (11.48)   7.10 (11.08)   7.27 (11.56)
Increase by > 2 drinks   520 (27.4%)   265 (23.2%)  
Increase by 1-2 drinks   210 (18.6%)   170 (14.9%)  
No change   195 (17.3%)   185 (16.2%)  
Decrease by 1-2 drinks   160 (14.2%)   210 (18.4%)  
Decrease by > 2 drinks   255 (22.6%)   310 (27.2%)  
Missing data ≥ 1 wave   135   125  
Frequency hazardous drinking N = 1,055 current drinkers N = 950 drinkers in both waves N = 1,065 current drinkers N = 955 drinkers in both waves N = 1,050 current drinkers
Mean (standard deviation) 1.86 (2.96)   1.89 (3.10)   1.77 (2.99)
Never 515 (48.8%)   525 (49.3%)   530 (50.5%)
Monthly 160 (15.2%)   155 (14.6%)   165 (15.7%)
Twice per month 105 (10.0%)   105 (9.9%)   100 (9.5%)
Weekly 165 (15.6%)   170 (16.0%)   150 (14.3%)
Almost daily to daily 110 (10.4%)   110 (10.3%)   105 (10.0%)
More frequent hazardous drinking   250 (26.3%)   265 (27.7%)  
No change   435 (45.8%)   445 (46.6%)  
Less frequent hazardous drinking   265 (27.9%)   245 (25.7%)  
Missing data ≥ 1 wave   320   310  
  1. aNote that all counts are random rounded to a near multiple of 5 as per Statistics New Zealand requirements; therefore numbers in each column do not sum exactly to N = 1,260.
  2. bNote that N is different for average alcohol consumption and frequency of hazardous drinking, as the frequency in hazardous drinking was measured in current drinkers only.