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Table 7 Productivity [WPAI] and severity level

From: COPD uncovered: an international survey on the impact of chronic obstructive pulmonary disease [COPD] on a working age population

   Severity   
WPAI Mild Moderate Severe Total
  % mean [CI] %mean [CI] % mean [CI] % mean [CI]
  n n n n
Absenteeism 2.2% 8.3% 7.6% 4.6%
[% who missed work due [1.2, 3.2] [5.2, 11.5] [2.1, 13.0] [3.3, 5.9]
to COPD in the last week] n = 383 n = 205 n = 54 n = 642
Presenteeism 5.2% 16.8% 18.9% 10%
[% who were affected in [3.7, 6.7] [12.6, 19.6] [10.4, 27.3] [8.3, 11.7]
the last week due to their n = 405 n = 226 n = 62 n = 693
COPD]     
Regular activities 5.9% 20.7% 32.3% 13.1%
[% who were affected [4.1, 7.7] [16.9, 24.4] [22.8, 41.7] [11.2, 15.0]
within the last week due n = 405 n = 226 n = 62 n = 693
their COPD]