Table 1

Characteristics of cases and controls

CasesControls
n (%)n (%)p Value
Age (years)0.9871
 20–341007 (3.00)5015 (2.99)
 35–6422 657 (67.49)113 301 (67.53)
 ≥659907 (29.51)49 461 (29.48)
Sex0.9847
 Men17 904 (53.33)89 488 (53.34)
 Women15 667 (46.67)78 289 (46.66)
Area of residence0.0152
 North15 472 (46.23)77 085 (46.12)
 Central7785 (23.26)39 630 (23.71)
 South9178 (27.42)45 752 (27.37)
 East1034 (3.09)4687 (2.80)
Occupation<0.0001
 White collar7454 (30.74)41 809 (33.60)
 Blue collar11 261 (46.44)55 724 (44.78)
 Unclassified5533 (22.82)26 909 (21.62)
Insurance premium (NTD)<0.0001
 0 (dependants)9221 (27.55)42 716 (25.55)
 1–17 2806363 (19.01)31 717 (18.97)
 17 281–21 0008610 (25.73)43 714 (26.15)
 21 001–34 8004140 (12.37)20 069 (12.01)
 >34 8005135 (15.34)28 942 (17.31)
Total*33 571167 777
  • US$1=32 NTD.

  • *Inconsistency between total population and population summed for individual variables was due to missing information.

  • NTD, New Taiwan Dollar.