The Scottish Health Survey 2008

The Scottish Health Survey 2008


Table 1.13 True standard errors and 95% confidence intervals for alcohol variables

2008

% (p) / Mean

Sample size (un-weighted)

True standard error

95% confidence interval

Deft

Men

Mean number of alcohol units usually consumed per week

18.0

2796

0.53

17.0-19.0

1.21

Drinks more than 21 units per week (%)

30.2

2796

1.06

28.1-32.3

1.28

Drinks more than 4 units on heaviest drinking day

62.7

1942

1.23

60.3-65.1

1.16

More than 8 units on heaviest drinking day

38.3

1942

1.41

35.5-41.1

1.32

Women

Mean number of alcohol units usually consumed per week

8.6

3579

0.34

7.9-9.3

1.38

Drinks more than 14 units per week (%)

20.3

3579

0.86

18.6-22.0

1.23

Drinks more than 3 units on heaviest drinking day

62.8

2033

1.34

60.2-65.4

1.20

More than 6 units on heaviest drinking day

30.7

2033

1.32

28.1-33.3

1.24

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