Table 2

Hospital Anxiety and Depression Scale depression: Comparison of asthma population survey data with population norms [22]

Asthma population

Population norm (Crawford et al)

Difference

95% CI

p-value


n

454

1792

Median

4.0

3.0

Mean (sd)

4.72 (4.08)

3.68 (3.07)

+1.04

+0.67 to +1.42

<0.001

% score 8+

22.3%

11.4%

+10.9%

+7.0 to +15.1%

% score 8–10

13.0%

7.8%

+5.2%

+2.1 to +8.8%

% score 11–15

7.9%

2.9%

5.0%

+2.7 to +8.0%

% score 16+

1.3%

0.7%

+0.6%

-0.3 to 2.2%


Cooper et al. BMC Family Practice 2007 8:62   doi:10.1186/1471-2296-8-62

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