Table 6 Odds ratios for being a partial non-participant, a multinomial logistic regression.

Socio-demographic factors

Respondent:

Mother and father together

Ref.

Ref.

Ref.

Mother

1.9 (0.7-5.3)

2.0 (0.7-5.9)

1.6 (0.5-5.5)

Father

2.4 (0.6-9.3)

2.8 (0.6-13.0)

3.6 (0.6-20.5)

Sex of the child:

Girl

Ref.

Ref.

Ref.

Boy

1.0 (0.5-1.9)

0.9 (0.5-1.8)

1.1 (0.5-2.2)

Age group:

Age group 3 (47-67 years old)

Ref.

Ref.

Ref.

Age group 2 (40-46 years old)

1.6 (0.7-3.5)

1.6 (0.7-3.7)

1.7 (0.6-4.6)

Age group 1 (29-39 years old)

2.2 (0.8-5.6)

2.1 (0.8-5.9)

2.3 (0.7-7.5)

Education level:

Tertiary/University

Ref.

Ref.

Ref.

Secondary

3.3 (1.7-6.3)

3.3 (1.6-6.7)

3.0 (1.3-6.9)

Other forms of education

0.8 (0.1-10.5)

0.7 (0.1-8.8)

0.2 (0.01-5.1)

Family structure:

Household with more than one adult

Ref.

Ref.

Ref.

Household with one adult

0.7 (0.3-1.7)

0.6 (0.2-1.8)

0.7 (0.2-2.2)

Children in the household:

One child

Ref.

Ref.

Ref.

Two children

0.6 (0.2-1.7)

0.7 (0.2-2.0)

0.6 (0.2-2.3)

Three or more children

0.7 (0.2-1.9)

0.8 (0.3-2.5)

0.5 (0.1-2.1)

Employment status:

Full-time job

Ref.

Ref.

Ref.

Part-time job

0.9 (0.4-1.8)

0.8 (0.4-1.8)

0.8 (0.3-2.0)

Outside labour market

1.8 (0.5-5.9)

2.4 (0.6-9.8)

4.1 (0.8-20.9)

School:

School 1

Ref.

Ref.

Ref.

School 2

2.0 (0.6-7.3)

1.9 (0.5-7.4)

2.5 (0.5-12.8)

School 3

3.7 (1.2-11.8)

3.1 (0.9-10.8)

4.6 (1.1-19.8)

School 4

1.1 (0.3-4.0)

1.1 (0.3-4.3)

1.0 (0.2-4.6)

School 5

4.7 (1.7-12.8)

3.9 (1.3-12.1)

5.4 (1.5-19.9)

School 6

3.9 (1.4-10.6)

3.2 (1.1-9.6)

3.8 (1.1-13.8)

Perceived susceptibility

Child's alcohol use outside of home:

Absolutely not

Ref.

Ref.

Probably not

1.0 (0.4-2.6)

1.6 (0.5-4.5)

Yes

1.9 (0.1-24.2)

1.5 (0.1-32.9)

Worries about child's alcohol use:

No

Ref.

Ref.

Yes, a little

0.3 (0.1-0.8)

0.2 (0.1-0.6)

Yes, much

1.5 (0.5-4.7)

2.1 (0.6-7.6)

Perceived severity

Approved age for alcohol use:

18 years old or older

Ref.

Ref.

Under 18 years old

3.0 (0.7-12.1)

1.0 (0.2-5.0)

The child has been offered alcohol at home:

No

Ref.

Ref.

Yes

1.0 (0.5-2.0)

0.9 (0.4-2.0)

Parent's opinion about adolescents alcohol use:

Restrictive

Ref.

Ref.

Permissive

0.4 (0.1-1.2)

0.3 (0.1-1.1)

Perceived benefits

Interest in parental support groups:

I do not know

Ref.

No

2.9 (0.6-13.9)

Yes

3.5 (1.4-8.5)

Values shared in common with other parents:

Prevent much

Ref.

Prevent rather much

0.7 (0.3-1.8)

Prevent somewhat or not at all

1.6 (0.6-4.6)

Perceived barrier

Absence of perceived needs:

Did not report this as a reason for non-participation

Ref.

Reported this as a reason for non- participation

6.2 (2.1-18.0)

Practical barriers:

Did not report this as a reason for non-participation

Ref.

Reported this as a reason for non-participation

24.7 (5.7-106.3)

Cue to action

Information about Strong & Clear:

Yes, received invitation and agreement

Ref.

Yes, received invitation

1.2 (0.4-3.9)

Yes, received agreement

1.3 (0.2-10.7)

No

1.8 (0.4-9.3)

Been at Information meeting:

Yes

Ref.

No

2.9 (1.1-7.4)