Table 1

Individual characteristics of the 4,036 respondents

Characteristics
Percentage

Age

     18–74
49.3
     75+
50.7


Gender

     Male
37.8
     Female
62.2


Education

     No or less than secondary education
33.6
     Secondary or higher education
66.4


Self-reported health

     High
69.2
     Low
30.8


Type of anaesthesia

     Injection anaesthesia
53.0
     Preoperative drops
42.8
     Narcosis
4.2

Stubbe et al. BMC Ophthalmology 2007 7:14   doi:10.1186/1471-2415-7-14