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Table 3 Logistic regression analysis of relationships between alcohol consumers' demographics, methods of accessing alcohol, income and drinking behaviours

From: Predictors of risky alcohol consumption in schoolchildren and their implications for preventing alcohol-related harm

  

Drinking behaviour1

  

Binge drink

Frequently drink

Drink in public settings

Any risk

All risks

  

AOR (95%CI)

P

AOR (95%CI)

P

AOR (95%CI)

P

AOR (95%CI)

P

AOR (95%CI)

P

 

Sample Size

7704

 

7536

 

7704

 

7704

 

7536

 

Sex

Female

Ref

 

Ref

 

Ref

 

Ref

 

Ref

 
 

Male

1.35 (1.20–1.53)

< 0.001

1.46 (1.27–1.68)

< 0.001

0.88 (0.77–1.00)

0.055

1.11 (0.96–1.29)

0.153

1.61 (1.31–1.98)

< 0.001

Age

15

Ref

 

Ref

 

Ref

 

Ref

 

Ref

 
 

16

1.06 (0.96–1.18)

0.256

1.11 (0.98–1.25)

0.091

1.12 (0.99–1.26)

0.076

1.09 (0.97–1.22)

0.162

1.35 (1.12–1.63)

< 0.005

Deprivation quintile

(Least deprived) 1

Ref

 

Ref

 

Ref

 

Ref

 

Ref

 
 

2

1.16 (0.95–1.42)

0.151

0.99 (0.80–1.23)

0.939

1.14 (0.92–1.40)

0.236

1.27 (1.01–1.58)

< 0.05

0.95 (0.75–1.20)

0.650

 

3

1.21 (0.97–1.51)

0.092

1.15 (0.92–1.43)

0.225

1.26 (1.01–1.57)

< 0.05

1.24 (1.00–1.53)

< 0.05

1.19 (0.89–1.59)

0.232

 

4

1.09 (0.86–1.39)

0.456

1.17 (0.96–1.42)

0.113

1.33 (1.06–1.69)

< 0.05

1.23 (1.01–1.51)

< 0.05

1.21 (0.96–1.54)

0.111

 

(Most deprived) 5

1.07 (0.78–1.47)

0.652

1.15 (0.92–1.44)

0.227

1.17 (0.93–1.48)

0.178

1.15 (0.89–1.49)

0.291

1.23 (0.89–1.69)

0.207

Ethnicity

White

Ref

 

Ref

 

Ref

 

Ref

 

Ref

 
 

Black/Black British

0.66 (0.33–1.29)

0.221

0.50 (0.20–1.22)

0.128

0.93 (0.43–2.01)

0.850

0.58 (0.28–1.19)

0.134

0.31 (0.06–1.45)

0.134

 

Chinese/Chinese British

0.81 (0.37–1.74)

0.583

0.83 (0.39–1.78)

0.636

0.91 (0.39–2.13)

0.820

0.72 (0.31–1.69)

0.453

1.45 (0.42–4.99)

0.551

 

Asian/Asian British

1.70 (1.01–2.86)

< 0.05

0.96 (0.60–1.54)

0.859

1.62 (0.90–2.94)

0.110

1.62 (0.94–2.79)

0.079

1.99 (0.88–4.51)

0.097

 

Mixed Race

1.43 (0.77–2.64)

0.251

1.04 (0.59–1.82)

0.901

2.02 (0.98–4.13)

0.055

1.97 (0.96–4.04)

0.064

2.35 (0.96–5.73)

0.061

 

Other

0.80 (0.29–2.20)

0.668

0.76 (0.29–2.20)

0.662

1.54 (0.45–5.29)

0.493

1.68 (0.63–4.50)

0.300

0.95 (0.16–5.72)

0.957

Spending money (£/week)

< = 10

Ref

 

Ref

 

Ref

 

Ref

 

Ref

 
 

11 to 20

1.38 (1.21–1.58)

< 0.001

1.57 (1.35–1.83)

< 0.001

1.51 (1.30–1.76)

< 0.001

1.47 (1.28–1.68)

< 0.001

2.36 (1.79–3.10)

< 0.001

 

21 to 30

1.50 (1.28–1.76)

< 0.001

2.18 (1.81–2.36)

< 0.001

1.72 (1.42–2.08)

< 0.001

1.90 (1.57–2.30)

< 0.001

3.04 (2.26–4.09)

< 0.001

 

> 30

1.50 (1.27–1.78)

< 0.001

2.37 (1.98–2.84)

< 0.001

2.01 (1.69–2.39)

< 0.001

2.25 (1.82–2.79)

< 0.001

3.11 (2.37–4.07)

< 0.001

Ever buy alcohol

No

Ref

 

Ref

 

Ref

 

Ref

 

Ref

 
 

Yes

1.85 (1.64–2.09)

< 0.001

2.88 (2.53–3.27)

< 0.001

5.72 (4.96–6.60)

< 0.001

5.92 (5.02–6.97)

< 0.001

3.53 (2.90–4.30)

< 0.001

Member of youth club, group or team

No

Ref

 

Ref

 

Ref

 

Ref

 

Ref

 
 

Yes

1.09 (0.98–1.21)

0.128

0.71 (0.63–0.81)

< 0.001

0.90 (0.80–1.00)

0.052

0.92 (0.81–1.04)

0.192

0.77 (0.66–0.90)

< 0.005

Others buying youths alcohol

           

Parents

No

Ref

 

Ref

 

Ref

 

Ref

 

Ref

 
 

Yes

0.82 (0.73–0.92)

< 0.005

1.00 (0.88–1.15)

0.954

0.51 (0.45–0.57)

< 0.001

0.67 (0.59–0.76)

< 0.001

0.79 (0.65–0.96)

< 0.05

Older siblings

No

Ref

 

Ref

 

Ref

 

Ref

 

Ref

 
 

Yes

1.31 (1.12–1.52)

< 0.005

1.20 (1.02–1.43)

< 0.05

1.31 (1.08–1.58)

< 0.01

1.49 (1.22–1.81)

< 0.001

1.20 (0.96–1.51)

0.112

Friends (over 18)

No

Ref

 

Ref

 

Ref

 

Ref

 

Ref

 
 

Yes

1.40 (1.24–1.58)

< 0.001

1.43 (1.26–1.63)

< 0.001

2.13 (1.86–2.45)

< 0.001

2.42 (2.07–2.83)

< 0.001

1.46 (1.20–1.76)

< 0.001

Friends (under 18)

No

Ref

 

Ref

 

Ref

 

Ref

 

Ref

 
 

Yes

1.19 (1.05–1.35)

< 0.01

1.09 (0.94–1.28)

0.251

1.74 (1.47–2.07)

< 0.001

1.78 (1.46–2.17)

< 0.001

1.28 (1.03–1.58)

< 0.05

Adult outside shops

No

Ref

 

Ref

 

Ref

 

Ref

 

Ref

 
 

Yes

0.97 (0.82–1.15)

0.739

1.58 (1.32–1.89)

< 0.001

4.84 (3.85–6.09)

< 0.001

4.71 (3.53–6.30)

< 0.001

1.37 (1.06–1.77)

< 0.05

Take/steal from parents

No

Ref

 

Ref

 

Ref

 

Ref

 

Ref

 
 

Yes

0.89 (0.75–1.06)

0.175

1.33 (1.09–1.63)

< 0.01

1.09 (0.85–1.40)

0.497

1.19 (0.93–1.51)

0.163

1.03 (0.74–1.45)

0.848

  1. 1 Drinking behaviours are defined as binge drink (usually having five or more alcoholic drinks per session); frequently drink (usually drinking at least two or more days each week) and drink in public settings (including drinking in streets, parks, pubs and clubs and excluding drinking at home, in friends' houses and on special occasions with family and friends). "Any drinking risk" and "all drinking risks" are composite variables calculated as having any one of the three individual risk factors and having all three risk factors respectively. Logistic regression was undertaken in STATA and utilised appropriate corrections for cluster sampling (see methods). Sample sizes vary as individuals not answering all questions included in the logistic regression analysis were excluded from the final model. AOR = Adjusted Odds Ratio. Ref = Reference category. AOR = Adjusted Odds Ratio. Ref = Reference category.