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Table 2 Cross-tabulations of various indicators by drinking status (at all drinkers and drank in the last 7 days) by age groups

From: Prevalence, perceptions and predictors of alcohol consumption and abstinence among South Australian school students: a cross-sectional analysis

  At all drinkers Drank in the last 7 days among drinkers
12 & 13 year olds    14 & 15 year olds    16 & 17 year olds       
Non-drinker %
n = 886
Drinker %
n = 82
p φc Non-drinker %
n = 688
Drinker %
n = 304
p φc Non-drinker %
n = 335
Drinker %
n = 559
p φc Didn’t drink %
n = 576
Drank %
n = 379%
p φc
Smoked in last week 0.6 6.9 *** 0.17 1.3 11.8 *** 0.24 1.7 12.8 *** 0.18 5.0 22.5 *** 0.26
Index of disadvantage
 1st quintile 17.4 16.3    17.6 22.0    25.5 28.1    23.6 28.0   
 2nd quintile 14.4 7.2    17.1 16.7    21.9 22.3    18.2 20.3   
 3rd quintile 32.4 40.1    33.4 35.3    23.8 25.7    32.7 25.7   
 4th quintile 19.1 16.0    12.8 10.7    14.1 12.8    11.5 13.6   
 5th quintile 16.7 20.5 NS NA 19.1 15.3 NS NA 14.7 11.1 NS NA 14.1 12.4 NS NA
Available spending money per week
 None 18.3 12.2    13.6 5.8    10.4 4.2    6.3 4.2   
 $1–$40 69.2 60.1    63.3 55.2    45.4 34.1    45.4 41.2   
 $41–$80 4.7 11.8    11.7 17.5    18.2 20.8    19.4 18.3   
 $81–$120 2.8 9.7    3.8 8.5    12.3 16.7    13.5 13.1   
 $121 and over 5.1 6.3 * 0.12 7.7 13.0 *** 0.18 13.7 24.2 *** 0.20 15.4 23.3 * 0.09
Self-reported ability at school
 A lot above average 4.4 7.9    6.3 3.7    9.6 3.3    3.9 3.6   
 Above Average 35.2 19.0    37.3 30.6    38.9 32.6    31.5 29.8   
 Average 52.1 53.3    52.4 56.1    46.5 55.1    56.6 53.5   
 Below average 8.1 17.9    3.6 7.8    4.9 7.6    7.0 10.8   
 A lot below average 0.2 1.9 ** 0.13 0.3 1.8 ** 0.14 0.2 1.4 *** 0.17 1.0 2.4 NS NA
Parental disapproval (Strongly/ disagreed) 75.3 36.9 *** 0.20 75.9 58.7 *** 0.18 70.5 45.3 *** 0.24 51.3 45.7 NS NA
Friends approval (strongly/agreed) 22.4 65.6 *** 0.25 46.8 85.0 *** 0.37 61.7 91.6 *** 0.38 87.5 88.3 NS NA
Alcohol and cancer (very/important) 28.3 33.7 NS NA 31.4 23.8 * 0.08 34.2 23.4 *** 0.11 26.3 21.7 NS NA
Being able to buy alcohol easily encourages me to drink a lot 17.8 27.7 *** 0.12
Age      
 12–13   11.8 6.1   
 14–15   31.3 33.4   
 16–17   56.9 60.5 NS NA
  1. *** p ≤ 0.001, **p ≤ 0.01, * p < 0.05 chi square, NS = Not statistically significant at p < 0.05, NA = Not applicable