Table 1

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

Asthma Population

Population norm (Crawford et al)

Difference

95% CI

p-value


n

455

1792

Median

7.0

6.0

Mean (sd)

7.79 (4.45)

6.14 (3.76)

+1.65

+1.23 to +2.05

<0.001

% score 8+

47.3%

33.2%

+0.14.1%

+9.0 to +19.1%

% score 8–10

20.9%

20.6%

+0.3%

3.7 to +4.7%

% score 11–15

20.2%

10.0%

+10.2%

+6.5 to +14.4%

% score 16+

5.9%

2.6%

+3.3%

+1.3 to +6.0%


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

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