# Table 2 Multivariate associations between wellbeing, alcohol use and sexual activity in school-children+

Alcohol use
endpoints
Sexual activity
endpoints
Ever drunk alcohol#
N = 3286
Drink often
N = 1096\$
Any sexual activity~
N = 679
Sex~~
N = 666
Wald
[df]
% AOR (95% CI) Wald
[df]
% AOR (95% CI) Wald
[df]
% AOR (95% CI) Wald
[df]
% AOR (95% CI)
Gender Male 1.665
[1]
47 1 0.066
[1]
57 1 3.500
[1]
64 1 4.829
[1]
18 1
Female   44 0.88 (0.70-1.09)   56 0.98 (0.79-1.20)   56 0.71 (0.47-1.07)   11 0.52 (0.27-1.01)
Age 11 21.732
[3]
33 1 10.618
[3]
56 1 - - - - - -
12   42 1.44 (1.12-1.85)   51 0.80 (0.59-1.08) - - - - - -
13   59 2.91 (1.75-4.82)   59 1.07 (0.85-1.34) 0.175
[1]
59 1 0.294
[1]
13 1
14   66 3.86 (1.66-8.93)   68 1.65 (0.98-2.77)   61 1.07 (0.74-1.56)   16 1.22 (0.54-2.72)
Alcohol
frequency β
Never - - - - - - 51.288
[3]
28 1 60.447
[3]
4 1
Rare - - - - - -   63 4.50 (2.18-9.29)   7 1.82 (0.64-5.14)
Occasional - - - - - -   75 6.77 (3.13-14.63)   16 4.37 (1.41-13.55)
Frequent - - - - - -   83 12.68 (5.52-29.12)   30 10.84 (4.85-30.53)
WB^ School
is a
nice place
to be
Agree 21.363
[2]
42 1 3.766
[2]
54 1 15.823
[2]
54 1 6.753
[2]
11 1
Disagree   58 1.53 (1.20-1.95)   65 1.40 (0.95-2.07)   75 2.56 (1.51-4.33)   20 1.86 (0.82-4.23)
Don't
know
51 1.32 (1.11-1.57)   59 1.18 (0.86-1.61)   64 1.55 (0.86-2.81)   18 1.93 (1.09-3.41)
WB^ You
have a
happy home
life
Agree 29.521
[2]
44 1 7.219
[2]
55 1 5.171
[2]
58 1 2.133
[2]
14 1
Disagree   56 1.40 (1.03-1.89)   70 1.78 (1.10-2.90)   68 1.31 (0.53-3.20)   21 1.36 (0.81-2.27)
Don't
know
55 1.39 (1.21-1.59)   63 1.37 (0.92-2.05)   69 1.81 (1.01-3.27)   11 0.83 (0.23-2.98)
1. + sample for alcohol include school-children in Years 7 to 9 (11 to 14 years); sample for sexual endpoints restricted to Year 9 (13-14 years);
2. # ever drunk alcohol (a full drink, not just a sip); % = yes;
3. \$ 'drink alcohol often' collapsed into seldom (<once/week); and often (≥once/week). Students reporting 'never' or don't know how often they drink are excluded;
4. ~ any sexual activity includes kissing, deep kissing, petting, oral sex, sexual intercourse; ~~Sex is limited to oral sex and/or intercourse;
5. β Alcohol frequency: never, rare (<once/month), occasional (≥once/month or more), frequent (≥once/week);
6. WB^ selected example wellbeing indicators for school and general wellbeing (see methods);
7. AOR: Adjusted Odds Ratio (95% confidence intervals; CI); 1 = referent.
8. *The complex sample procedure produced Wald chi-square values with a single degree of freedom [df] value