Impact of gastroesophageal reflux disease on work absenteeism, presenteeism and productivity in daily life: a European observational study

Table 2 Mean (standard deviation) lost productivity due to gastroesophageal reflux disease (GERD), as measured using the Work Productivity and Impairment Questionnaire for patients with GERD (WPAI-GERD), by country of residence

		Germany	Greece	Norway	Spain	Sweden	UK
Absenteeism, hours/week	n	187	249	233	131	196	132
		3.2 (8.8)	1.5 (5.1)	0.9 (4.7)	2.1 (7.1)	0.7 (3.4)	0.4 (2.7)
Presenteeism (work hours lost/week due to reduced productivity while working)	n	158	252	231	122	178	118
		5.7 (8.6)	5.1 (7.7)	6.7 (6.2)	4.7 (8.2)	7.7 (7.5)	3.5 (6.6)
Lost work productivity score*	n	189	248	231	120	196	131
		16.7 (22.6)	12.3 (17.3)	18.1 (16.9)	17.1 (26.9)	17.0 (16.1)	9.1 (16.4)

*[(hours absent from work + percent reduced productivity while working multiplied by hours actually worked)/(hours absent from work + hours actually worked)] multiplied by 100.
Sample sizes differ for each measure due to missing data, as a small number of patients completed the WPAI-GERD questionnaire (and were therefore assumed to be employed) but did not record their professional details.

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