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Table 4 Association between repeated drinking in joint contexts in early adolescence and incident risky drinking in later adolescence

From: Does the social context of early alcohol use affect risky drinking in adolescents? Prospective cohort study

Joint drinking contexts in early adolescence (waves 1 & 2)

 

Incidence over waves 3 to 6 (N = 1647)

 

Number drinking in each joint contextb

Number incident

Model estimatesa

   

Risky drinking

Unadjustedc

Adjustedd

Non family context

Family context

Number

(%)

N

(%)

RR

(95% CI)

RR

(95% CI)

Not home alone

Not with family

1402

(85)

418

(30)

1

 

1

 

Not home alone

With family

175

(11)

89

(51)

2.0

(1.6 – 2.6)

1.8

(1.3 – 2.3)

Home alone

Not with family

36

(2)

23

(66)

3.2

(2.0 – 5.1)

2.1

(1.3 – 3.6)

Home alone

With family

35

(2)

26

(76)

4.2

(2.6 – 6.8)

3.3

(1.8 – 5.9)

Not at a party

Not with family

1219

(74)

301

(25)

1

 

1

 

Not at a party

With family

119

(7)

53

(45)

2.1

(1.5 – 2.8)

1.8

(1.3 – 2.5)

At a party

Not with family

218

(13)

141

(65)

3.8

(3.0 – 4.8)

2.9

(2.2 – 3.7)

At a party

With family

90

(5)

62

(69)

4.4

(3.1 – 6.3)

3.8

(2.6 – 5.5)

Not at pub/club

Not with family

1374

(83)

397

(29)

1

 

1

 

Not at pub/club

With family

175

(11)

97

(55)

2.4

(1.9 – 3.0)

2.1

(1.6 – 2.7)

At pub/club

Not with family

63

(4)

45

(71)

3.8

(2.7 – 5.4)

3.2

(2.2 – 4.7)

At pub/club

With family

34

(2)

18

(53)

2.4

(1.3 – 4.5)

2.0

(1.0 – 4.0)

Not in park/car

Not with family

1337

(81)

373

(28)

1

 

1

 

Not in park/car

With family

173

(11)

86

(50)

2.1

(1.6 – 2.7)

1.8

(1.4 – 2.4)

In park/car

Not with family

101

(6)

69

(68)

3.8

(2.8 – 5.2)

2.4

(1.7 – 3.5)

In park/car

With family

36

(2)

29

(80)

5.8

(3.5 – 9.6)

4.2

(2.4 – 7.5)

Not in any other context

Not with family

1177

(71)

279

(24)

1

 

1

 

Not in any other context

With family

100

(6)

46

(46)

2.2

(1.6 – 3.1)

1.9

(1.3 – 2.7)

In at least one other context

Not with family

261

(16)

163

(62)

3.8

(3.0 – 4.7)

2.9

(2.2 – 3.7)

In at least one other context

With family

109

(7)

69

(64)

4.0

(2.9 – 5.6)

3.4

(2.4 – 4.8)

  1. Repeated drinking repeated refers to 3+ occasions in the past 6 months, and is relative to not drinking in that context or drinking in that context on only 1 or 2 occasions
  2. aSeparate model fitted for each joint drinking context
  3. bPrevalence for those who had no risky drinking in waves 1 & 2
  4. cRelative risks from multivariable discrete time proportional hazards models adjusted for wave of observation of risky drinking
  5. dRelative risks from multivariable discrete time proportional hazards models adjusted for: (a) the wave of observation of risky drinking, (b) background measures: sex, rural school location, parental separation/divorce, parental frequent alcohol use and parental cigarette smoking (c) adolescent measures from the previous wave: daily cigarette smoking, weekly + cannabis use, antisocial behaviour and symptoms of anxiety and depression
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BMC Public Health

ISSN: 1471-2458

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