Table 1 |
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|
Confirmatory Analyses of Socio-demographic and Alcohol Grouping Measures and Substance use characteristics of the sample (n = 162) |
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|
Control Group (n = 81) |
AUDs Group (n = 81) |
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|
|
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|
M (SD) or % |
M (SD) or % |
U/χ2 |
p-value |
|
|
|
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|
Socio-demographics |
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|
Age |
14.76 (0.78) |
14.92 (0.74) |
-1.19 |
0.235 |
|
Education level a |
7.79 (0.85) |
7.85 (0.74) |
-0.43 |
0.666 |
|
%Male |
42 |
42 |
0.00 |
1.000 |
|
%Female |
58 |
58 |
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|
% Afrikaans-speaking |
69 |
69 |
0.00 |
1.000 |
|
%English-speaking |
31 |
31 |
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|
% Mixed Ancestry |
97.6 |
97.6 |
0.497 |
|
|
% White |
1.2 |
0 |
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|
% Black |
1.2 |
0 |
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|
Total Socio-economic status score b |
28.19 (5.80) |
24.85 (5.93) |
1.34 |
0.179 |
|
|
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|
Alcohol Use |
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|
% Never consumed alcohol |
41 |
0 |
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|
% Never intoxicated |
93 |
0 |
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|
%Light drinker c |
59 |
0 |
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|
% Alcohol abuse d |
2.5 |
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|
% Alcohol dependence e |
97.5 |
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|
% Weekends-only drinking style in most recent drinking phase f |
95 |
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|
Drinking onset age (years) in participants that have drunk alcohol |
12.25 (1.66) |
12.04 (1.70) |
0.57 |
0.567 |
|
Alcohol lifetime dose g |
5.77 (12.46) |
1493.69 (1511.53) |
-11.04 |
< 0.001 |
|
Age of first intoxication |
12.83 (1.15) |
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|
Age of onset of regular drinking |
12.91 (1.11) |
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|
Regular drinking duration (months) |
23.78 (15.91) |
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|
Regular drinking frequency (days/month) in most recent drinking phase |
5.01 (2.87) |
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|
Regular drinking quantity per month h |
65.78 (57.96) |
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|
|
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|
Tobacco Use |
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|
% Never smoked tobacco |
59 |
17 |
< 0.001 |
|
|
% Light smokers (lifetime < 100 cigarettes) |
35 |
31 |
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|
% Regular smokers (lifetime > 100 cigarettes) |
6 |
52 |
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|
Smoking onset age (years) in light smokers |
12.53 (1.62) |
12.44 (1.96) |
-0.19 |
0.846 |
|
Smoking onset age (years) in regular smokers |
13 (0.71) |
12.36 (1.46) |
0.96 |
0.339 |
|
Lifetime tobacco dose of all smokers i |
86.42 (442.80) |
1417.59 (2762.60) |
-7.02 |
< 0.001 |
|
|
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|
Other Substance Use |
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|
% Never used cannabis |
89 |
42 |
34.35 |
< 0.001 |
|
Lifetime cannabis dose j |
0.12 (0.37) |
4.08 (7.40) |
-6.33 |
< 0.001 |
|
% Never used methamphetamine |
100 |
96 |
0.245 |
|
|
Lifetime methamphetamine dose k |
0 |
1.0 (0.56) |
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|
% Never used any other drugs |
100 |
100 |
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|
|
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|
Notes: For all variables not presented as percentages, means are presented with standard deviations in parentheses. Continuous variables compared using the Mann Whitney U Test and categorical variables compared using the Chi-Square or Fisher's exact test. a Years of successfully completed education b Total Socio-economic status score: Sum of Family income (1-6), Reversed employment category of participant's parent with the highest employment rank (Hollingshead reversed) (1-9), Parent education (0-6), Total assets (0-7), Dwelling type (1-6) and Bedroom cohabitation (1-7) - Maximum = 41 c Less than 100 standard drinks of alcohol consumed in lifetime d Greater than 100 standard drinks of alcohol consumed in lifetime with a DSM-IV diagnosis of alcohol abuse e Greater than 100 standard drinks of alcohol consumed in lifetime with a DSM-IV diagnosis of alcohol dependence f Style of drinking followed in the most recent phase of drinking g Total number of standard drinks of alcohol consumed in lifetime h Average standard drinks of alcohol consumed per month i Total number of cigarettes smoked in lifetime j Total number of 'joints' smoked in lifetime; k Total number of 'straws' (hits) of methamphetamine in lifetime |
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|
Naude et al. Nutrition Journal 2011 10:87 doi:10.1186/1475-2891-10-87 |
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